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Aaltonen T, González BA, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blocker C, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Cabrera S, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Clark D, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Almenar CC, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Gresele A, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Korytov A, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lazzizzera I, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Fernandez PM, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Griso SP, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Turini N, Ukegawa F, Uozumi S, Varganov A, Vataga E, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wenzel H, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Observation of the baryonic flavor-changing neutral current decay Λb(0)→Λμ+μ-. PHYSICAL REVIEW LETTERS 2011; 107:201802. [PMID: 22181723 DOI: 10.1103/physrevlett.107.201802] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2011] [Indexed: 05/31/2023]
Abstract
We report the first observation of the baryonic flavor-changing neutral current decay Λ(b)(0)→Λμ(+)μ(-) with 24 signal events and a statistical significance of 5.8 Gaussian standard deviations. This measurement uses a pp collisions data sample corresponding to 6.8 fb(-1) at √s = 1.96 TeV collected by the CDF II detector at the Tevatron collider. The total and differential branching ratios for Λ(b)(0)→Λμ(+)μ(-) are measured. We find B(Λ(b)(0)→Λμ(+)μ(-))=[1.73 ± 0.42(stat) ± (syst)] × 10(-6). We also report the first measurement of the differential branching ratio of B(s)(0)→ϕμ(+)μ(-), using 49 signal events. In addition, we report branching ratios for B(+)→K(+)μ(+)μ(-), B(0)→K(0)μ(+)μ(-), and B→K(*)(892)μ(+)μ(-) decays.
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Aaltonen T, Álvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Bentivegna M, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo M, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Funakoshi Y, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lecompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Limosani A, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Rao K, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Sakurai Y, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stancari M, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Ukegawa F, Uozumi S, Varganov A, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vizán J, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Search for New T' particles in final states with large jet multiplicities and missing transverse energy in p p collisions at sqrt[s] = 1.96 TeV. PHYSICAL REVIEW LETTERS 2011; 107:191803. [PMID: 22181598 DOI: 10.1103/physrevlett.107.191803] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2011] [Indexed: 05/31/2023]
Abstract
We present a search for a new particle T' decaying to a top quark via T' → t + X, where X goes undetected. We use a data sample corresponding to 5.7 fb(-1) of integrated luminosity of p p collisions with sqrt[s] = 1.96 TeV, collected at Fermilab Tevatron by the CDF II detector. Our search for pair production of T' is focused on the hadronic decay channel, pp → T'T' → tt + XX → bqq b qq + XX. We interpret our results in terms of a model where T' is an exotic fourth generation quark and X is a dark matter particle. The data are consistent with standard model expectations. We set a limit on the generic production of T'T' → tt + XX, excluding the fourth generation exotic quarks T' at 95% confidence level up to m(T') = 400 GeV/c(2) for m(X) ≤ 70 GeV/c(2).
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Aaltonen T, Álvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Clarke C, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo M, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Funakoshi Y, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kasmi A, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lecompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Limosani A, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Riddick T, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Sakurai Y, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Sperka D, Squillacioti P, Stancari M, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Ukegawa F, Uozumi S, Varganov A, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vizán J, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Search for B(s)(0) → μ+ μ- and B(0) → μ+ μ- decays with CDF II. PHYSICAL REVIEW LETTERS 2011; 107:191801. [PMID: 22181596 DOI: 10.1103/physrevlett.107.191801] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2011] [Indexed: 05/31/2023]
Abstract
A search has been performed for B(s)(0) → μ+ μ- and B(0) → μ+ μ- decays using 7 fb(-1) of integrated luminosity collected by the CDF II detector at the Fermilab Tevatron collider. The observed number of B(0) candidates is consistent with background-only expectations and yields an upper limit on the branching fraction of B(B(0) → μ+ μ-) < 6.0 × 10(-9) at 95% confidence level. We observe an excess of B(s)(0) candidates. The probability that the background processes alone could produce such an excess or larger is 0.27%. The probability that the combination of background and the expected standard model rate of B(s)(0) → μ+ μ- could produce such an excess or larger is 1.9%. These data are used to determine B(B(s)(0)→ μ+ μ-) = (1.8(-0.9) (+1.1)) × 10(-8) and provide an upper limit of B(B(s)(0) → μ+ μ-) < 4.0 × 10(-8) at 95% confidence level.
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Aaltonen T, Álvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Clarke C, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo M, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Funakoshi Y, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kasmi A, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Kittiwisit P, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lecompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Limosani A, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Porter R, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Riddick T, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Sakurai Y, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stancari M, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Ukegawa F, Uozumi S, Varganov A, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vizán J, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Search for new physics in high pT like-sign dilepton events at CDF II. PHYSICAL REVIEW LETTERS 2011; 107:181801. [PMID: 22107622 DOI: 10.1103/physrevlett.107.181801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2011] [Indexed: 05/31/2023]
Abstract
We present a search for new physics in events with two high pT leptons of the same electric charge, using data with an integrated luminosity of 6.1 fb(-1). The observed data are consistent with standard model predictions. We set 95% C.L. lower limits on the mass of doubly charged scalars decaying to like-sign dileptons, m(H±±) > 190-245 GeV/c(2), assuming 100% BR to ee, μμ or eμ.
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Aaltonen T, Álvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo M, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Funakoshi Y, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Gresele A, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lazzizzera I, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Pranko A, Prokoshin F, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Sakurai Y, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Sgalaberna D, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stancari M, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Ukegawa F, Uozumi S, Varganov A, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vizán J, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Measurement of the cross section for prompt isolated diphoton production in pp collisions at square root(s) = 1.96 TeV. PHYSICAL REVIEW LETTERS 2011; 107:102003. [PMID: 21981495 DOI: 10.1103/physrevlett.107.102003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2011] [Indexed: 05/31/2023]
Abstract
This Letter reports a measurement of the cross section of prompt isolated photon pair production in pp collisions at a total energy square root(s)=1.96 TeV using data of 5.36 fb(-1) integrated luminosity collected with the CDF II detector at the Fermilab Tevatron. The measured cross section, differential in basic kinematic variables, is compared with three perturbative QCD predictions, a leading order parton shower calculation and two next-to-leading order calculations. The next-to-leading order calculations reproduce most aspects of the data. By including photon radiation from quarks before and after hard scattering, the parton shower prediction becomes competitive with the next-to-leading order predictions.
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Aaltonen T, Álvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Clarke C, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo M, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Funakoshi Y, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kasmi A, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Limosani A, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Riddick T, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Sakurai Y, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stancari M, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Ukegawa F, Uozumi S, Varganov A, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vizán J, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Observation of the Ξ(b)(0) baryon. PHYSICAL REVIEW LETTERS 2011; 107:102001. [PMID: 21981493 DOI: 10.1103/physrevlett.107.102001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2011] [Indexed: 05/31/2023]
Abstract
The observation of the bottom, strange baryon Ξ(b)(0) through the decay chain Ξ(b)(0)→Ξ(c)(+)π-, where ΞΞ(c)(+)→Ξ- π+ π+, Ξ-→Λπ-, and Λ→pπ-, is reported by using data corresponding to an integrated luminosity of 4.2 fb(-1) from pp collisions at square root(s)=1.96 TeV recorded with the Collider Detector at Fermilab. A signal of 25.3(-5.4)(+5.6) candidates is observed whose probability of arising from a background fluctuation is 3.6×10(-12), corresponding to 6.8 gaussian standard deviations. The Ξ(b)(0) mass is measured to be 5787.8±5.0(stat)±1.3(syst) MeV/c2. In addition, the Ξ(b)- baryon is observed through the process Ξ(b)-→Ξ(c)(0)π-, where Ξ(c)(0)→Ξ- π+, Ξ-→Λπ-, and Λ→pπ-.
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Aaltonen T, Álvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d’Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell’Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d’Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D’Onofrio M, Donati S, Dong P, Dorigo M, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Funakoshi Y, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Gresele A, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lazzizzera I, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Sakurai Y, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stancari M, Stanitzki M, St. Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Ukegawa F, Uozumi S, Varganov A, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Measurement of thett¯production cross section inpp¯collisions ats=1.96 TeVusing events with large missing transverse energy and jets. Int J Clin Exp Med 2011. [DOI: 10.1103/physrevd.84.032003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Aaltonen T, Álvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d’Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell’Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d’Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D’Onofrio M, Donati S, Dong P, Dorigo M, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Funakoshi Y, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kasmi A, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Limosani A, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Mangano ML, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Sakurai Y, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sexton-Kennedy E, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stancari M, Stanitzki M, St. Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Ukegawa F, Uozumi S, Varganov A, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vizán J, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Measurement of the top pair production cross section in thelepton+jetschannel using a jet flavor discriminant. Int J Clin Exp Med 2011. [DOI: 10.1103/physrevd.84.031101] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Aaltonen T, Alvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo M, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Funakoshi Y, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kasmi A, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Limosani A, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Sakurai Y, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stancari M, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Ukegawa F, Uozumi S, Varganov A, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vizán J, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Search for new dielectron resonances and Randall-Sundrum gravitons at the collider detector at Fermilab. PHYSICAL REVIEW LETTERS 2011; 107:051801. [PMID: 21867060 DOI: 10.1103/physrevlett.107.051801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2011] [Indexed: 05/31/2023]
Abstract
A search for new dielectron-mass resonances using data recorded by the CDF II detector and corresponding to an integrated luminosity of 5.7 fb(-1) is presented. No significant excess over the expected standard model prediction is observed. In this data set, an event with the highest dielectron mass ever observed (960 GeV/c(2)) was recorded. The results are interpreted in the Randall-Sundrum (RS) model. Combined with the 5.4 fb(-1) diphoton analysis, the RS-graviton lower-mass limit for the coupling k/M¯(Pl)=0.1 is 1058 GeV/c(2), making it the strongest limit to date.
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Aaltonen T, Alvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo M, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Funakoshi Y, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kasmi A, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Limosani A, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Sakurai Y, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stancari M, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Ukegawa F, Uozumi S, Varganov A, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vizán J, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Limits on anomalous trilinear gauge couplings in Zγ events from pp¯ collisions at √s=1.96 TeV. PHYSICAL REVIEW LETTERS 2011; 107:051802. [PMID: 21867061 DOI: 10.1103/physrevlett.107.051802] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2011] [Indexed: 05/31/2023]
Abstract
Using Zγ candidate events collected by the CDF detector at the Tevatron Collider, we search for potential anomalous (non-standard-model) couplings between the Z boson and the photon. Zγ couplings vanish at tree level and are heavily suppressed at higher orders; hence any evidence of couplings indicates new physics. Measurements are performed using data corresponding to an integrated luminosity of 4.9 fb(-1) in the Z→νν¯ decay channel and 5.1 fb(-1) in the Z→l(+)l(-) (l=μ, e) decay channels. The combination of these measurements provides the most stringent limits to date on Zγ trilinear gauge couplings. Using an energy scale of Λ=1.5 TeV to allow for a direct comparison with previous measurements, we find limits on the CP-conserving parameters that describe Zγ couplings to be |h(3)(γ,Z)|<0.022 and |h(4)(γ,Z)|<0.0009. These results are consistent with standard model predictions.
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Aaltonen T, Álvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo M, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Funakoshi Y, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Gresele A, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, Jain G, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lazzizzera I, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lou HK, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Sakurai Y, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seitz C, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stancari M, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thomas S, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Ukegawa F, Uozumi S, Varganov A, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vizán J, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. First search for multijet resonances in sqrt(s) = 1.96 TeV pp collisions. PHYSICAL REVIEW LETTERS 2011; 107:042001. [PMID: 21866996 DOI: 10.1103/physrevlett.107.042001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2011] [Indexed: 05/31/2023]
Abstract
We present the first model independent search for three-jet hadronic resonances within multijet events in sqrt(s) = 1.96 TeV pp collisions at the Fermilab Tevatron using the CDF II detector. Pair production of supersymmetric gluinos and squarks with hadronic R-parity violating decays is employed as an example of a new physics benchmark for this signature. Selection criteria based on the kinematic properties of an ensemble of jet combinations within each event help to extract signal from copious QCD background. No significant excess outside the top quark mass window is observed in data with an integrated luminosity of 3.2 fb(-1). We place 95% confidence level limits on the production cross section σ(pp → XX')×BR(gg → 3 jet + 3 jet) where X, X' = g, q, or q, with q, q → g + jet, as a function of gluino mass, in the range of 77 GeV/c2 to 240 GeV/c2.
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Aaltonen T, Álvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blocker C, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Cabrera S, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Clark D, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Gresele A, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Korytov A, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lazzizzera I, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Turini N, Ukegawa F, Uozumi S, Varganov A, Vataga E, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Search for a very light CP-odd Higgs boson in top quark decays from pp collisions at sqrt(s)]=1.96 TeV. PHYSICAL REVIEW LETTERS 2011; 107:031801. [PMID: 21838348 DOI: 10.1103/physrevlett.107.031801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2011] [Indexed: 05/31/2023]
Abstract
We present the results of a search for a very light CP-odd Higgs boson a(1)(0) originating from top quark decays t → H(±)b → W(±(*)) a(1)(0)b, and subsequently decaying into τ+ τ-. Using a data sample corresponding to an integrated luminosity of 2.7 fb(-1) collected by the CDF II detector in pp collisions at 1.96 TeV, we perform a search for events containing a lepton, three or more jets, and an additional isolated track with transverse momentum in the range 3 to 20 GeV/c. Observed events are consistent with background sources, and 95% C.L. limits are set on the branching ratio of t → H(±)b for various masses of H(±) and a(1)(0).
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Aaltonen T, González BA, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Almenar CC, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo M, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Funakoshi Y, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Grinstein S, Grosso-Pilcher C, Group RC, da Costa JG, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kasmi A, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Limosani A, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Griso SP, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Sakurai Y, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stancari M, Stanitzki M, Denis RS, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Ukegawa F, Uozumi S, Varganov A, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vizán J, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. First measurement of the angular coefficients of Drell-Yan e(+)e(-) pairs in the Z mass region from pp¯ collisions at √s=1.96 TeV. PHYSICAL REVIEW LETTERS 2011; 106:241801. [PMID: 21770565 DOI: 10.1103/physrevlett.106.241801] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2011] [Indexed: 05/31/2023]
Abstract
We report on the first measurement of the angular distributions of final state electrons in pp¯ → γ*/Z → e(+)e(-) + X events produced in the Z boson mass region at √s1.96 TeV. The data sample collected by the CDF II detector for this result corresponds to 2.1 fb(-1) of integrated luminosity. The angular distributions are studied as a function of the transverse momentum of the electron-positron pair and show good agreement with the Lam-Tung relation, consistent with a spin-1 description of the gluon, and demonstrate that, at high values of the transverse momentum, Z bosons are produced via quark-antiquark annihilation and quark-gluon Compton processes.
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Aaltonen T, Álvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo M, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Funakoshi Y, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Limosani A, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Rao K, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Sakurai Y, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stancari M, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Ukegawa F, Uozumi S, Varganov A, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vizán J, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Search for production of heavy particles decaying to top quarks and invisible particles in pp collisions at √s = 1.96 TeV. PHYSICAL REVIEW LETTERS 2011; 106:191801. [PMID: 21668142 DOI: 10.1103/physrevlett.106.191801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2011] [Indexed: 05/30/2023]
Abstract
We present a search for a new particle T' decaying to top quark via T' → t + X, where X is an invisible particle. In a data sample with 4.8 fb(-1) of integrated luminosity collected by the CDF II detector at Fermilab in pp collisions with √s = 1.96 TeV, we search for pair production of T' in the lepton + jets channel, pp → tt + X + X → ℓνbqq'b + X + X. We interpret our results primarily in terms of a model where T' are exotic fourth generation quarks and X are dark matter particles. Current direct and indirect bounds on such exotic quarks restrict their masses to be between 300 and 600 GeV/c2, the dark matter particle mass being anywhere below m(T'). The data are consistent with standard model expectations, and we set 95% confidence level limits on the generic production of T'T' → tt + X + X. For the dark matter model we exclude T' at 95% confidence level up to m(T') = 360 GeV/c2 for m(X) ≤ 100 GeV/c2.
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Aaltonen T, Alvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo M, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Funakoshi Y, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Gresele A, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lazzizzera I, Lecompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Sakurai Y, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stancari M, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Ukegawa F, Uozumi S, Varganov A, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vizán J, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Measurements of direct CP violating asymmetries in charmless decays of strange bottom mesons and bottom baryons. PHYSICAL REVIEW LETTERS 2011; 106:181802. [PMID: 21635084 DOI: 10.1103/physrevlett.106.181802] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2011] [Indexed: 05/30/2023]
Abstract
We report measurements of direct CP-violating asymmetries in charmless decays of neutral bottom hadrons to pairs of charged hadrons with the upgraded Collider Detector at the Fermilab Tevatron. Using a data sample corresponding to 1 fb(-1) of integrated luminosity, we obtain the first measurements of direct CP violation in bottom strange mesons, A(CP)(B(s)(0)→K(-)π(+))=+0.39±0.15(stat)±0.08(syst), and bottom baryons, A(CP)(Λ(b)(0)→pπ(-))=+0.03±0.17(stat)±0.05(syst) and A(CP)(Λ(b)(0)→pK(-))=+0.37±0.17(stat)±0.03(syst). In addition, we measure CP violation in B(0)→K(+)π(-) decays with 3.5σ significance, A(CP)(B(0)→K(+)π(-))=-0.086±0.023(stat)±0.009(syst), in agreement with the current world average. Measurements of branching fractions of B(s)(0)→K(+)K(-) and B(0)→π(+)π(-) decays are also updated.
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Aaltonen T, Álvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Clarke C, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo M, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Forrest R, Frank MJ, Franklin M, Freeman JC, Funakoshi Y, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kasmi A, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Limosani A, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Rescigno M, Rimondi F, Ristori L, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Safonov A, Sakumoto WK, Sakurai Y, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stancari M, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Ukegawa F, Uozumi S, Varganov A, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vizán J, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Invariant mass distribution of jet pairs produced in association with a W boson in pp collisions at sqrt[s]=1.96 TeV. PHYSICAL REVIEW LETTERS 2011; 106:171801. [PMID: 21635027 DOI: 10.1103/physrevlett.106.171801] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2011] [Indexed: 05/30/2023]
Abstract
We report a study of the invariant mass distribution of jet pairs produced in association with a W boson using data collected with the CDF detector which correspond to an integrated luminosity of 4.3 fb(-1). The observed distribution has an excess in the 120-160 GeV/c(2) mass range which is not described by current theoretical predictions within the statistical and systematic uncertainties. In this Letter, we report studies of the properties of this excess.
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Aaltonen T, González BA, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blocker C, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Cabrera S, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Clark D, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Almenar CC, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Gresele A, Grinstein S, Grosso-Pilcher C, Group RC, da Costa JG, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Korytov A, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lazzizzera I, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Fernandez PM, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Griso SP, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Turini N, Ukegawa F, Uozumi S, Varganov A, Vataga E, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Measurement of the forward-backward asymmetry in the B→K*μ(+)μ(-) decay and first observation of the B(s)0→ϕμ(+)μ(-) decay. PHYSICAL REVIEW LETTERS 2011; 106:161801. [PMID: 21599355 DOI: 10.1103/physrevlett.106.161801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2011] [Indexed: 05/30/2023]
Abstract
We reconstruct the rare decays B(+)→K(+)μ(+0μ(-0, B90)→K*(892)(0)μ(+)μ(-), and B(s)(0)→ϕ(1020)μ(+)μ(-) in a data sample corresponding to 4.4 fb(-1) collected in pp collisions at √[s]=1.96 TeV by the CDF II detector at the Tevatron Collider. Using 121±16 B(+)→K(+)μ(+)μ(-) and 101±12 B(0)→K(*0)μ(+)μ(-) decays we report the branching ratios. In addition, we report the differential branching ratio and the muon forward-backward asymmetry in the B(+) and B(0) decay modes, and the K(*0) longitudinal polarization fraction in the B(0) decay mode with respect to the squared dimuon mass. These are consistent with the predictions, and most recent determinations from other experiments and of comparable accuracy. We also report the first observation of the B(s)(0)→ϕμ(+)μ(-) decay and measure its branching ratio BR(B(s)(0)→ϕμ(+)μ(-))=[1.44±0.33±0.46]×10(-6) using 27±6 signal events. This is currently the most rare B(s)(0) decay observed.
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Aaltonen T, Álvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo M, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Funakoshi Y, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Gresele A, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lazzizzera I, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Sakurai Y, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stancari M, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Ukegawa F, Uozumi S, Varganov A, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vizán J, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Measurement of the mass difference between t and t quarks. PHYSICAL REVIEW LETTERS 2011; 106:152001. [PMID: 21568546 DOI: 10.1103/physrevlett.106.152001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2011] [Indexed: 05/30/2023]
Abstract
We present a direct measurement of the mass difference between t and t quarks using tt candidate events in the lepton+jets channel, collected with the CDF II detector at Fermilab's 1.96 TeV Tevatron pp Collider. We make an event by event estimate of the mass difference to construct templates for top quark pair signal events and background events. The resulting mass difference distribution of data is compared to templates of signals and background using a maximum likelihood fit. From a sample corresponding to an integrated luminosity of 5.6 fb(-1), we measure a mass difference, ΔM(top) = M(t) - M(t) = -3.3 ± 1.4(stat) ± 1.0(syst) GeV/c2, approximately 2 standard deviations away from the CPT hypothesis of zero mass difference.
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Aaltonen T, Álvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo M, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Funakoshi Y, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Gresele A, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lazzizzera I, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Sakurai Y, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stancari M, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Ukegawa F, Uozumi S, Varganov A, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vizán J, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Search for heavy bottomlike quarks decaying to an electron or muon and jets in pp collisions at √s = 1.96 TeV. PHYSICAL REVIEW LETTERS 2011; 106:141803. [PMID: 21561183 DOI: 10.1103/physrevlett.106.141803] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2011] [Indexed: 05/30/2023]
Abstract
We report the most sensitive direct search for pair production of fourth-generation bottomlike chiral quarks (b') each decaying promptly to tW. We search for an excess of events with an electron or muon, at least five jets (one identified as due to a b or c quark), and an imbalance of transverse momentum by using data from pp collisions collected by the CDF II detector at Fermilab with an integrated luminosity of 4.8 fb(-1). We observe events consistent with background expectation, calculate upper limits on the b' pair-production cross section (σ(bb')) ≲30 fb for m(b') > 375 GeV/c2), and exclude m(b') < 372 GeV/c2 at 95% confidence level assuming a 100% branching ratio of b' to tW.
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Aaltonen T, Álvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blocker C, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Cabrera S, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Clark D, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Gresele A, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Korytov A, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Labarga L, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lazzizzera I, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malde S, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Turini N, Ukegawa F, Uozumi S, Varganov A, Vataga E, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wenzel H, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Measurement of b hadron lifetimes in exclusive decays containing a J/ψ in pp collisions at √s=1.96 TeV. PHYSICAL REVIEW LETTERS 2011; 106:121804. [PMID: 21517302 DOI: 10.1103/physrevlett.106.121804] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2010] [Indexed: 05/30/2023]
Abstract
We report on a measurement of b-hadron lifetimes in the fully reconstructed decay modes B(+)→J/ψK(+), B⁰→J/ψK*(892)⁰, B⁰→J/ψK(s)⁰, and Λ(b)⁰→J/ψΛ⁰ using data corresponding to an integrated luminosity of 4.3 fb⁻¹, collected by the CDF II detector at the Fermilab Tevatron. The measured lifetimes are τ(B(+))=[1.639±0.009(stat)±0.009(syst)] ps, τ(B⁰)=[1.507±0.010(stat)±0.008(syst)] ps, and τ(Λ(b)⁰)=[1.537±0.045(stat)±0.014(syst)] ps. The lifetime ratios are τ(B(+))/τ(B⁰)=[1.088±0.009(stat)±0.004(syst)] and τ(Λ(b)⁰)/τ(B⁰)=[1.020±0.030(stat)±0.008(syst)]. These are the most precise determinations of these quantities from a single experiment.
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Aaltonen T, Alvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Cranmer K, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo M, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Funakoshi Y, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Gresele A, Grinstein S, Grosso-Pilcher C, Group RC, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lazzizzera I, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Quinlan E, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Sakurai Y, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stancari M, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Ukegawa F, Uozumi S, Varganov A, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vizán J, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Search for high mass resonances decaying to muon pairs in √s=1.96 TeV pp collisions. PHYSICAL REVIEW LETTERS 2011; 106:121801. [PMID: 21517299 DOI: 10.1103/physrevlett.106.121801] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2011] [Indexed: 05/30/2023]
Abstract
We present a search for a new narrow, spin-1, high mass resonance decaying to μ(+)μ⁻+X, using a matrix-element-based likelihood and a simultaneous measurement of the resonance mass and production rate. In data with 4.6 fb⁻¹ of integrated luminosity collected by the CDF detector in pp collisions at √s=1960 GeV, the most likely signal cross section is consistent with zero at 16% confidence level. We therefore do not observe evidence for a high mass resonance and place limits on models predicting spin-1 resonances, including M>1071 GeV/c² at 95% confidence level for a Z' boson with the same couplings to fermions as the Z boson.
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Aaltonen T, González BA, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Almenar CC, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Gresele A, Grinstein S, Grosso-Pilcher C, da Costa JG, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirby M, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lazzizzera I, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Fernandez PM, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Griso SP, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rubbo F, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Siegrist J, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stanitzki M, Denis RS, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Turini N, Ukegawa F, Uozumi S, Varganov A, Vataga E, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Volobouev I, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Top quark mass measurement in the lepton + jets channel using a matrix element method and in situ jet energy calibration. PHYSICAL REVIEW LETTERS 2010; 105:252001. [PMID: 21231576 DOI: 10.1103/physrevlett.105.252001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2010] [Indexed: 05/30/2023]
Abstract
A precision measurement of the top quark mass m(t) is obtained using a sample of tt events from pp collisions at the Fermilab Tevatron with the CDF II detector. Selected events require an electron or muon, large missing transverse energy, and exactly four high-energy jets, at least one of which is tagged as coming from a b quark. A likelihood is calculated using a matrix element method with quasi-Monte Carlo integration taking into account finite detector resolution and jet mass effects. The event likelihood is a function of m(t) and a parameter Δ(JES) used to calibrate the jet energy scale in situ. Using a total of 1087 events in 5.6 fb(-1) of integrated luminosity, a value of m(t)=173.0 ± 1.2 GeV/c(2) is measured.
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Aaltonen T, González BA, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blocker C, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Cabrera S, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Clark D, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Almenar CC, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Gresele A, Grinstein S, Grosso-Pilcher C, da Costa JG, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Korytov A, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lazzizzera I, Lecompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Fernandez PM, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Griso SP, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shekhar R, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Turini N, Ukegawa F, Uozumi S, Varganov A, Vataga E, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Improved search for a Higgs boson produced in association with Z → l+ l- in pp collisions sqrt[s] = 1.96 TeV. PHYSICAL REVIEW LETTERS 2010; 105:251802. [PMID: 21231575 DOI: 10.1103/physrevlett.105.251802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2010] [Indexed: 05/30/2023]
Abstract
We search for the standard model Higgs boson produced with a Z boson in 4.1 fb(-1) of integrated luminosity collected with the CDF II detector at the Tevatron. In events consistent with the decay of the Higgs boson to a bottom-quark pair and the Z boson to electrons or muons, we set 95% credibility level upper limits on the ZH production cross section multiplied by the H → bb branching ratio. Improved analysis methods enhance signal sensitivity by 20% relative to previous searches. At a Higgs boson mass of 115 GeV/c2 we set a limit of 5.9 times the standard model cross section.
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Aaltonen T, Álvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel JA, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Auerbach B, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauce M, Bauer G, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Bland KR, Blocker C, Blumenfeld B, Bocci A, Bodek A, Bortoletto D, Boudreau J, Boveia A, Brau B, Brigliadori L, Brisuda A, Bromberg C, Brucken E, Bucciantonio M, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Cabrera S, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung WH, Chung YS, Ciobanu CI, Ciocci MA, Clark A, Clark D, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Dagenhart D, d'Ascenzo N, Datta M, de Barbaro P, De Cecco S, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, Devoto F, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo T, Ebina K, Elagin A, Eppig A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Furic I, Gallinaro M, Galyardt J, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerchtein E, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Ginsburg CM, Giokaris N, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldin D, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Gresele A, Grinstein S, Grosso-Pilcher C, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Hamaguchi A, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Hewamanage S, Hidas D, Hocker A, Hopkins W, Horn D, Hou S, Hughes RE, Hurwitz M, Husemann U, Hussain N, Hussein M, Huston J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Junk TR, Kamon T, Karchin PE, Kato Y, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Klimenko S, Kondo K, Kong DJ, Konigsberg J, Korytov A, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lazzizzera I, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leo S, Leone S, Lewis JD, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu Q, Liu T, Lockwitz S, Lockyer NS, Loginov A, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Mitra A, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Nielsen J, Nodulman L, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Ortolan L, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Paramonov AA, Patrick J, Pauletta G, Paulini M, Paus C, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pilot J, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Rescigno M, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Ruffini F, Ruiz A, Russ J, Rusu V, Safonov A, Sakumoto WK, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shreyber I, Simonenko A, Sinervo P, Sissakian A, Sliwa K, Smith JR, Snider FD, Soha A, Somalwar S, Sorin V, Squillacioti P, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Sudo Y, Sukhanov A, Suslov I, Takemasa K, Takeuchi Y, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tu Y, Turini N, Ukegawa F, Uozumi S, Varganov A, Vataga E, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vogel M, Volpi G, Wagner P, Wagner RL, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Wick F, Williams HH, Wilson JS, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe H, Wright T, Wu X, Wu Z, Yamamoto K, Yamaoka J, Yang T, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zucchelli S. Direct top-quark width measurement at CDF. PHYSICAL REVIEW LETTERS 2010; 105:232003. [PMID: 21231452 DOI: 10.1103/physrevlett.105.232003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2010] [Indexed: 05/30/2023]
Abstract
We present a measurement of the top-quark width in the lepton+jets decay channel of tt events produced in p p collisions at Fermilab's Tevatron collider and collected by the CDF II detector. From a data sample corresponding to 4.3 fb(-1) of integrated luminosity, we identify 756 candidate events. The top-quark mass and the mass of the hadronically decaying W boson that comes from the top-quark decay are reconstructed for each event and compared with templates of different top-quark widths (Γ(t)) and deviations from nominal jet energy scale (Δ(JES)) to perform a simultaneous fit for both parameters, where Δ(JES) is used for the in situ calibration of the jet energy scale. By applying a Feldman-Cousins approach, we establish an upper limit at 95% confidence level (CL) of Γ(t) <7.6 GeV and a two-sided 68% CL interval of 0.3 GeV <Γ(t) <4.4 GeV for a top-quark mass of 172.5 GeV/c(2), which are consistent with the standard model prediction.
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Aaltonen T, Adelman J, Alvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Apollinari G, Appel J, Apresyan A, Arisawa T, Artikov A, Asaadi J, Ashmanskas W, Attal A, Aurisano A, Azfar F, Badgett W, Barbaro-Galtieri A, Barnes VE, Barnett BA, Barria P, Bartos P, Bauer G, Beauchemin PH, Bedeschi F, Beecher D, Behari S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bizjak I, Blair RE, Blocker C, Blumenfeld B, Bocci A, Bodek A, Boisvert V, Bortoletto D, Boudreau J, Boveia A, Brau B, Bridgeman A, Brigliadori L, Bromberg C, Brubaker E, Budagov J, Budd HS, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Byrum KL, Cabrera S, Calancha C, Camarda S, Campanelli M, Campbell M, Canelli F, Canepa A, Carls B, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavaliere V, Cavalli-Sforza M, Cerri A, Cerrito L, Chang SH, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou JP, Chung K, Chung WH, Chung YS, Chwalek T, Ciobanu CI, Ciocci MA, Clark A, Clark D, Compostella G, Convery ME, Conway J, Corbo M, Cordelli M, Cox CA, Cox DJ, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Cully JC, Dagenhart D, d'Ascenzo N, Datta M, Davies T, de Barbaro P, De Cecco S, Deisher A, De Lorenzo G, Dell'Orso M, Deluca C, Demortier L, Deng J, Deninno M, d'Errico M, Di Canto A, Di Ruzza B, Dittmann JR, D'Onofrio M, Donati S, Dong P, Dorigo T, Dube S, Ebina K, Elagin A, Erbacher R, Errede D, Errede S, Ershaidat N, Eusebi R, Fang HC, Farrington S, Fedorko WT, Feild RG, Feindt M, Fernandez JP, Ferrazza C, Field R, Flanagan G, Forrest R, Frank MJ, Franklin M, Freeman JC, Furic I, Gallinaro M, Galyardt J, Garberson F, Garcia JE, Garfinkel AF, Garosi P, Gerberich H, Gerdes D, Gessler A, Giagu S, Giakoumopoulou V, Giannetti P, Gibson K, Gimmell JL, Ginsburg CM, Giokaris N, Giordani M, Giromini P, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Goulianos K, Gresele A, Grinstein S, Grosso-Pilcher C, Group RC, Grundler U, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn SR, Halkiadakis E, Han BY, Han JY, Happacher F, Hara K, Hare D, Hare M, Harr RF, Hartz M, Hatakeyama K, Hays C, Heck M, Heinrich J, Herndon M, Heuser J, Hewamanage S, Hidas D, Hill CS, Hirschbuehl D, Hocker A, Hou S, Houlden M, Hsu SC, Hughes RE, Hurwitz M, Husemann U, Hussein M, Huston J, Incandela J, Introzzi G, Iori M, Ivanov A, James E, Jang D, Jayatilaka B, Jeon EJ, Jha MK, Jindariani S, Johnson W, Jones M, Joo KK, Jun SY, Jung JE, Junk TR, Kamon T, Kar D, Karchin PE, Kato Y, Kephart R, Ketchum W, Keung J, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim HW, Kim JE, Kim MJ, Kim SB, Kim SH, Kim YK, Kimura N, Kirsch L, Klimenko S, Ko BR, Kondo K, Kong DJ, Konigsberg J, Korytov A, Kotwal AV, Kreps M, Kroll J, Krop D, Krumnack N, Kruse M, Krutelyov V, Kuhr T, Kulkarni NP, Kurata M, Kwang S, Laasanen AT, Lami S, Lammel S, Lancaster M, Lander RL, Lannon K, Lath A, Latino G, Lazzizzera I, LeCompte T, Lee E, Lee HS, Lee JS, Lee SW, Leone S, Lewis JD, Lin CJ, Linacre J, Lindgren M, Lipeles E, Lister A, Litvintsev DO, Liu C, Liu T, Lockyer NS, Loginov A, Lovas L, Lucchesi D, Lueck J, Lujan P, Lukens P, Lungu G, Lys J, Lysak R, MacQueen D, Madrak R, Maeshima K, Makhoul K, Maksimovic P, Malde S, Malik S, Manca G, Manousakis-Katsikakis A, Margaroli F, Marino C, Marino CP, Martin A, Martin V, Martínez M, Martínez-Ballarín R, Mastrandrea P, Mathis M, Mattson ME, Mazzanti P, McFarland KS, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzione A, Mesropian C, Miao T, Mietlicki D, Miladinovic N, Miller R, Mills C, Milnik M, Mitra A, Mitselmakher G, Miyake H, Moed S, Moggi N, Mondragon MN, Moon CS, Moore R, Morello MJ, Morlock J, Movilla Fernandez P, Mülmenstädt J, Mukherjee A, Muller T, Murat P, Mussini M, Nachtman J, Nagai Y, Naganoma J, Nakamura K, Nakano I, Napier A, Nett J, Neu C, Neubauer MS, Neubauer S, Nielsen J, Nodulman L, Norman M, Norniella O, Nurse E, Oakes L, Oh SH, Oh YD, Oksuzian I, Okusawa T, Orava R, Osterberg K, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Papaikonomou A, Paramanov AA, Parks B, Pashapour S, Patrick J, Pauletta G, Paulini M, Paus C, Peiffer T, Pellett DE, Penzo A, Phillips TJ, Piacentino G, Pianori E, Pinera L, Pitts K, Plager C, Pondrom L, Potamianos K, Poukhov O, Prokoshin F, Pronko A, Ptohos F, Pueschel E, Punzi G, Pursley J, Rademacker J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Renton P, Renz M, Rescigno M, Richter S, Rimondi F, Ristori L, Robson A, Rodrigo T, Rodriguez T, Rogers E, Rolli S, Roser R, Rossi M, Rossin R, Roy P, Ruiz A, Russ J, Rusu V, Rutherford B, Saarikko H, Safonov A, Sakumoto WK, Santi L, Sartori L, Sato K, Saveliev V, Savoy-Navarro A, Schlabach P, Schmidt A, Schmidt EE, Schmidt MA, Schmidt MP, Schmitt M, Schwarz T, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sexton-Kennedy L, Sforza F, Sfyrla A, Shalhout SZ, Shears T, Shepard PF, Shimojima M, Shiraishi S, Shochet M, Shon Y, Shreyber I, Simonenko A, Sinervo P, Sisakyan A, Slaughter AJ, Slaunwhite J, Sliwa K, Smith JR, Snider FD, Snihur R, Soha A, Somalwar S, Sorin V, Squillacioti P, Stanitzki M, St Denis R, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Strycker GL, Suh JS, Sukhanov A, Suslov I, Taffard A, Takashima R, Takeuchi Y, Tanaka R, Tang J, Tecchio M, Teng PK, Thom J, Thome J, Thompson GA, Thomson E, Tipton P, Ttito-Guzmán P, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Totaro P, Trovato M, Tsai SY, Tu Y, Turini N, Ukegawa F, Uozumi S, van Remortel N, Varganov A, Vataga E, Vázquez F, Velev G, Vellidis C, Vidal M, Vila I, Vilar R, Vogel M, Volobouev I, Volpi G, Wagner P, Wagner RG, Wagner RL, Wagner W, Wagner-Kuhr J, Wakisaka T, Wallny R, Wang SM, Warburton A, Waters D, Weinberger M, Weinelt J, Wester WC, Whitehouse B, Whiteson D, Wicklund AB, Wicklund E, Wilbur S, Williams G, Williams HH, Wilson P, Winer BL, Wittich P, Wolbers S, Wolfe C, Wolfe H, Wright T, Wu X, Würthwein F, Yagil A, Yamamoto K, Yamaoka J, Yang UK, Yang YC, Yao WM, Yeh GP, Yi K, Yoh J, Yorita K, Yoshida T, Yu GB, Yu I, Yu SS, Yun JC, Zanetti A, Zeng Y, Zhang X, Zheng Y, Zucchelli S. Search for R-parity violating decays of sneutrinos to eμ, μτ, and eτ pairs in pp collisions at square root s = 1.96 TeV. PHYSICAL REVIEW LETTERS 2010; 105:191801. [PMID: 21231160 DOI: 10.1103/physrevlett.105.191801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2010] [Indexed: 05/30/2023]
Abstract
We present a search for supersymmetric neutrino ν production using the Tevatron pp collision data collected with the CDF II detector and corresponding to an integrated luminosity of 1 fb-1. We focus on the scenarios predicted by the R-parity violating (RPV) supersymmetric models in which sneutrinos decay to two charged leptons of different flavor. With the data consistent with the standard model expectations, we set upper limits on σ(pp→ν)×BR(ν→eμ,μτ,eτ) and use these results to constrain the RPV couplings as a function of the sneutrino mass.
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