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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Aoki M, Askew A, Åsman B, Atkins S, Atramentov O, Augsten K, Avila C, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Bean A, Begalli M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatia S, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Buszello CP, Camacho-Pérez E, Casey BCK, Castilla-Valdez H, Caughron S, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chapon E, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Das A, Davies G, de Jong SJ, De la Cruz-Burelo E, Déliot F, Demina R, Denisov D, Denisov SP, Desai S, Deterre C, DeVaughan K, Diehl HT, Diesburg M, Ding PF, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Facini G, Feng L, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Garcia-Bellido A, García-Guerra GA, Gavrilov V, Gay P, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guillemin T, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De la Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Howley I, Hubacek Z, Hynek V, Iashvili I, Ilchenko Y, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jayasinghe A, Jesik R, Johns K, Johnson E, Johnson M, Jonckheere A, Jonsson P, Joshi J, Jung AW, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Kohli JM, Kozelov AV, Kraus J, Kulikov S, Kumar A, Kupco A, Kurča T, Kuzmin VA, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li H, Li L, Li QZ, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu H, Liu Y, Lobodenko A, Lokajicek M, Lopes de Sa R, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Miconi F, Mondal NK, Montgomery HE, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Padilla M, Pal A, Parashar N, Parihar V, Park SK, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters Y, Petridis K, Petrillo G, Pétroff P, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Polozov P, Popov AV, Prewitt M, Price D, Prokopenko N, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Ripp-Baudot I, Rizatdinova F, Rominsky M, Ross A, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Salcido P, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shaw S, Shchukin AA, Shivpuri RK, Simak V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Soustruznik K, Stark J, Stolin V, Stoyanova DA, Strauss M, Stutte L, Suter L, Svoisky P, Takahashi M, Titov M, Tokmenin VV, Tsai YT, Tschann-Grimm K, Tsybychev D, Tuchming B, Tully C, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Verkheev AY, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weichert J, Welty-Rieger L, White A, Wicke D, Williams MRJ, Wilson GW, Wobisch M, Wood DR, Wyatt TR, Xie Y, Yacoob S, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye W, Ye Z, Yin H, Yip K, Youn SW, Zhao T, Zhao TG, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Measurement of the W boson mass with the D0 detector. PHYSICAL REVIEW LETTERS 2012; 108:151804. [PMID: 22587244 DOI: 10.1103/physrevlett.108.151804] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2012] [Indexed: 05/31/2023]
Abstract
We present a measurement of the W boson mass using data corresponding to 4.3 fb(-1) of integrated luminosity collected with the D0 detector during Run II at the Fermilab Tevatron pp collider. With a sample of 1,677,394 W → eν candidate events, we measure M(W) = 80.367 ± 0.026 GeV. This result is combined with an earlier D0 result determined using an independent Run II data sample, corresponding to 1 fb(-1) of integrated luminosity, to yield M(W) = 80.375 ± 0.023 GeV.
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Aoki M, Askew A, Åsman B, Atkins S, Atramentov O, Augsten K, Avila C, BackusMayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Bean A, Begalli M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatia S, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chapon E, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Das A, Davies G, de Jong SJ, De La Cruz-Burelo E, Déliot F, Demina R, Denisov D, Denisov SP, Desai S, Deterre C, DeVaughan K, Diehl HT, Diesburg M, Ding PF, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Garcia-Bellido A, García-Guerra GA, Gavrilov V, Gay P, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goryachev VN, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guillemin T, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De La Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hubacek Z, Hynek V, Iashvili I, Ilchenko Y, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jamin D, Jayasinghe A, Jesik R, Johns K, Johnson M, Jonckheere A, Jonsson P, Joshi J, Jung AW, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Kohli JM, Kozelov AV, Kraus J, Kulikov S, Kumar A, Kupco A, Kurča T, Kuzmin VA, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li H, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Lobodenko A, Lokajicek M, Lopes de Sa R, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Mansour J, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Miconi F, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero y Garzón GJ, Padilla M, Pal A, Parashar N, Parihar V, Park SK, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters Y, Petridis K, Petrillo G, Pétroff P, Piegaia R, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Polozov P, Popov AV, Prewitt M, Price D, Prokopenko N, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Ross A, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Salcido P, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Soustruznik K, Stark J, Stolin V, Stoyanova DA, Strauss M, Strom D, Stutte L, Suter L, Svoisky P, Takahashi M, Tanasijczuk A, Titov M, Tokmenin VV, Tsai YT, Tschann-Grimm K, Tsybychev D, Tuchming B, Tully C, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Weichert J, Welty-Rieger L, White A, Wicke D, Williams MRJ, Wilson GW, Wobisch M, Wood DR, Wyatt TR, Xie Y, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye W, Ye Z, Yin H, Yip K, Youn SW, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Search for universal extra dimensions in pp collisions. PHYSICAL REVIEW LETTERS 2012; 108:131802. [PMID: 22540694 DOI: 10.1103/physrevlett.108.131802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2011] [Indexed: 05/31/2023]
Abstract
We present a search for Kaluza-Klein (KK) particles predicted by models with universal extra dimensions (UED) using a data set corresponding to an integrated luminosity of 7.3 fb(-1), collected by the D0 detector at a pp center-of-mass energy of 1.96 TeV. The decay chain of KK particles can lead to a final state with two muons of the same charge. This signature is used to set a lower limit on the compactification scale of R(-1)>260 GeV in a minimal UED model.
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alimena J, Alkhazov G, Alton A, Alverson G, Alves GA, Aoki M, Askew A, Åsman B, Atkins S, Atramentov O, Augsten K, Avila C, BackusMayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Bean A, Begalli M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chapon E, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Das A, Davies G, De K, de Jong SJ, De la Cruz-Burelo E, Déliot F, Demina R, Denisov D, Denisov SP, Desai S, Deterre C, DeVaughan K, Diehl HT, Diesburg M, Ding PF, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Garcia-Bellido A, García-Guerra GA, Gavrilov V, Gay P, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guillemin T, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De la Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hubacek Z, Hynek V, Iashvili I, Ilchenko Y, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jamin D, Jayasinghe A, Jesik R, Johns K, Johnson M, Jonckheere A, Jonsson P, Joshi J, Jung AW, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Kohli JM, Kozelov AV, Kraus J, Kulikov S, Kumar A, Kupco A, Kurča T, Kuzmin VA, Kvita J, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Lobodenko A, Lokajicek M, Lopes de Sa R, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Miconi F, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero y Garzón GJ, Padilla M, Pal A, Parashar N, Parihar V, Park SK, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters Y, Petridis K, Petrillo G, Pétroff P, Piegaia R, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Polozov P, Popov AV, Prewitt M, Price D, Prokopenko N, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Ross A, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Salcido P, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Soustruznik K, Stark J, Stolin V, Stoyanova DA, Strauss M, Strom D, Stutte L, Suter L, Svoisky P, Takahashi M, Tanasijczuk A, Titov M, Tokmenin VV, Tsai YT, Tschann-Grimm K, Tsybychev D, Tuchming B, Tully C, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Welty-Rieger L, White A, Wicke D, Williams MRJ, Wilson GW, Wobisch M, Wood DR, Wyatt TR, Xie Y, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye Z, Yin H, Yip K, Youn SW, Yu J, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Search for charged massive long-lived particles. PHYSICAL REVIEW LETTERS 2012; 108:121802. [PMID: 22540571 DOI: 10.1103/physrevlett.108.121802] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2011] [Indexed: 05/31/2023]
Abstract
We report on a search for charged massive long-lived particles (CMLLPs), based on 5.2 fb(-1) of integrated luminosity collected with the D0 detector at the Fermilab Tevatron pp collider. We search for events in which one or more particles are reconstructed as muons but have speed and ionization energy loss (dE/dx) inconsistent with muons produced in beam collisions. CMLLPs are predicted in several theories of physics beyond the standard model. We exclude pair-produced long-lived gauginolike charginos below 267 GeV and Higgsino-like charginos below 217 GeV at 95% C.L., as well as long-lived scalar top quarks with mass below 285 GeV.
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Alves GA, Aoki M, Askew A, Åsman B, Atkins S, Atramentov O, Augsten K, Avila C, BackusMayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Bean A, Begalli M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chapon E, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Das A, Davies G, De K, de Jong SJ, De la Cruz-Burelo E, Déliot F, Demina R, Denisov D, Denisov SP, Desai S, Deterre C, DeVaughan K, Diehl HT, Diesburg M, Ding PF, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Garcia-Bellido A, García-Guerra GA, Gavrilov V, Gay P, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guillemin T, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De la Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hubacek Z, Hynek V, Iashvili I, Ilchenko Y, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jamin D, Jayasinghe A, Jesik R, Johns K, Johnson M, Jonckheere A, Jonsson P, Joshi J, Jung AW, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Kohli JM, Kozelov AV, Kraus J, Kulikov S, Kumar A, Kupco A, Kurča T, Kuzmin VA, Kvita J, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Lobodenko A, Lokajicek M, Lopes de Sa R, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Miconi F, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero y Garzón GJ, Padilla M, Pal A, Parashar N, Parihar V, Park SK, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters Y, Petridis K, Petrillo G, Pétroff P, Piegaia R, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Polozov P, Popov AV, Prewitt M, Price D, Prokopenko N, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Ross A, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Salcido P, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Soustruznik K, Stark J, Stolin V, Stoyanova DA, Strauss M, Strom D, Stutte L, Suter L, Svoisky P, Takahashi M, Tanasijczuk A, Titov M, Tokmenin VV, Tsai YT, Tschann-Grimm K, Tsybychev D, Tuchming B, Tully C, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Welty-Rieger L, White A, Wicke D, Williams MRJ, Wilson GW, Wobisch M, Wood DR, Wyatt TR, Xie Y, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye Z, Yin H, Yip K, Youn SW, Yu J, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Evidence for spin correlation in t ̅t production. PHYSICAL REVIEW LETTERS 2012; 108:032004. [PMID: 22400731 DOI: 10.1103/physrevlett.108.032004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2011] [Indexed: 05/31/2023]
Abstract
We present a measurement of the ratio of events with correlated t and t ̅t spins to the total number of t ̅t events. This ratio f is evaluated using a matrix-element-based approach in 729 t ̅t candidate events with a single lepton ℓ (electron or muon) and at least four jets. The analyzed p ̅p collisions data correspond to an integrated luminosity of 5.3 fb(-1) and were collected with the D0 detector at the Fermilab Tevatron collider operating at a center-of-mass energy √s=1.96 TeV. Combining this result with a recent measurement of f in dileptonic final states, we find f in agreement with the standard model. In addition, the combination provides evidence for the presence of spin correlation in t ̅t events with a significance of more than 3 standard deviations.
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Alves GA, Aoki M, Arov M, Askew A, Asman B, Atramentov O, Avila C, BackusMayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Beale S, Bean A, Begalli M, Begel M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Das A, Davies G, De K, de Jong SJ, De La Cruz-Burelo E, Déliot F, Demarteau M, Demina R, Denisov D, Denisov SP, Desai S, Deterre C, DeVaughan K, Diehl HT, Diesburg M, Ding PF, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Garcia-Bellido A, Gavrilov V, Gay P, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guillemin T, Guo F, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De La Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hubacek Z, Huske N, Hynek V, Iashvili I, Ilchenko Y, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jamin D, Jayasinghe A, Jesik R, Johns K, Johnson M, Johnston D, Jonckheere A, Jonsson P, Joshi J, Jung AW, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Kirby MH, Kohli JM, Kozelov AV, Kraus J, Kulikov S, Kumar A, Kupco A, Kurča T, Kuzmin VA, Kvita J, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Liu Z, Lobodenko A, Lokajicek M, Lopes de Sa R, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Miconi F, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero y Garzón GJ, Padilla M, Pal A, Parashar N, Parihar V, Park SK, Parsons J, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters K, Peters Y, Petridis K, Petrillo G, Pétroff P, Piegaia R, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Polozov P, Popov AV, Prewitt M, Price D, Prokopenko N, Protopopescu S, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Ross A, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Salcido P, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Soustruznik K, Stark J, Stolin V, Stoyanova DA, Strauss M, Strom D, Stutte L, Suter L, Svoisky P, Takahashi M, Tanasijczuk A, Taylor W, Titov M, Tokmenin VV, Tsai YT, Tsybychev D, Tuchming B, Tully C, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Welty-Rieger L, White A, Wicke D, Williams MRJ, Wilson GW, Wobisch M, Wood DR, Wyatt TR, Xie Y, Xu C, Yacoob S, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye Z, Yin H, Yip K, Youn SW, Yu J, Zelitch S, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Search for doubly charged Higgs boson pair production in pp¯ collisions at √s=1.96 TeV. PHYSICAL REVIEW LETTERS 2012; 108:021801. [PMID: 22324670 DOI: 10.1103/physrevlett.108.021801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2011] [Indexed: 05/31/2023]
Abstract
We present a search for pair production of doubly charged Higgs bosons in the processes qq¯→H(++)H(--) decaying through H(±±)→τ(±)τ(±),μ(±)τ(±),μ(±)μ(±). The search is performed in pp¯ collisions at a center-of-mass energy of √s = 1.96 TeV using an integrated luminosity of up to 7.0 fb(-1) collected by the D0 experiment at the Fermilab Tevatron Collider. The results are used to set 95% C.L. limits on the pair production cross section of doubly charged Higgs bosons and on their mass for different H(±±) branching fractions. Models predicting different H(±±) decays are investigated. Assuming B(H(±±)→τ(±)τ(±))=1 yields an observed (expected) lower limit on the mass of a left-handed H(L)(±±) boson of 128 (116) GeV and assuming B(H(±±)→μ(±)τ(±))=1 the corresponding limits are 144 (149) GeV. In a model with B(H(±±)→τ(±)τ(±))=B(H(±±)→μ(±)τ(±))=B(H(±±)→μ(±)μ(±))=1/3, we obtain M(H(L)(±±))>130 (138) GeV.
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Alves GA, Aoki M, Arov M, Askew A, Åsman B, Atkins S, Atramentov O, Augsten K, Avila C, BackusMayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Bean A, Begalli M, Begel M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chapon E, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Das A, Davies G, De K, de Jong SJ, De la Cruz-Burelo E, Déliot F, Demarteau M, Demina R, Denisov D, Denisov SP, Desai S, Deterre C, DeVaughan K, Diehl HT, Diesburg M, Ding PF, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Garcia-Bellido A, García-Guerra GA, Gavrilov V, Gay P, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guillemin T, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De la Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hubacek Z, Huske N, Hynek V, Iashvili I, Ilchenko Y, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jamin D, Jayasinghe A, Jesik R, Jiang P, Johns K, Johnson M, Jonckheere A, Jonsson P, Joshi J, Jung AW, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Kohli JM, Kozelov AV, Kraus J, Kulikov S, Kumar A, Kupco A, Kurča T, Kuzmin VA, Kvita J, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Lobodenko A, Lokajicek M, Lopes de Sa R, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Miconi F, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero y Garzón GJ, Padilla M, Pal A, Parashar N, Parihar V, Park SK, Parsons J, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters K, Peters Y, Petridis K, Petrillo G, Pétroff P, Piegaia R, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Polozov P, Popov AV, Prewitt M, Price D, Prokopenko N, Protopopescu S, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Ross A, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Salcido P, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Soustruznik K, Stark J, Stolin V, Stoyanova DA, Strauss M, Strom D, Stutte L, Suter L, Svoisky P, Takahashi M, Tanasijczuk A, Titov M, Tokmenin VV, Tsai YT, Tschann-Grimm K, Tsybychev D, Tuchming B, Tully C, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Welty-Rieger L, White A, Wicke D, Williams MRJ, Wilson GW, Wobisch M, Wood DR, Wyatt TR, Xie Y, Xu C, Yacoob S, Yamada R, Yang S, Yang WC, Yasuda T, Yatsunenko YA, Ye Z, Yin H, Yip K, Youn SW, Yu J, Zelitch S, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Wγ production and limits on anomalous WWγ couplings in pp collisions at sqrt[s] = 1.96 TeV. PHYSICAL REVIEW LETTERS 2011; 107:241803. [PMID: 22242992 DOI: 10.1103/physrevlett.107.241803] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2011] [Indexed: 05/31/2023]
Abstract
We measure the cross section and the difference in rapidities between photons and charged leptons for inclusive W(→lν) + γ production in eγ and μγ final states. Using data corresponding to an integrated luminosity of 4.2 fb(-1) collected with the D0 detector at the Fermilab Tevatron Collider, the measured cross section times branching fraction for the process pp → Wγ + X → lνγ + X and the distribution of the charge-signed photon-lepton rapidity difference are found to be in agreement with the standard model. These results provide the most stringent limits on anomalous WWγ couplings for data from hadron colliders: -0.4<Δκ(γ)<0.4 and -0.08<λ(γ)<0.07 at the 95% C.L.
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Alves GA, Aoki M, Arov M, Askew A, Åsman B, Atramentov O, Avila C, BackusMayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Beale S, Bean A, Begalli M, Begel M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Das A, Davies G, De K, de Jong SJ, De La Cruz-Burelo E, Déliot F, Demarteau M, Demina R, Denisov D, Denisov SP, Desai S, Deterre C, DeVaughan K, Diehl HT, Diesburg M, Ding PF, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Garcia-Bellido A, Gavrilov V, Gay P, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guillemin T, Guo F, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De La Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hubacek Z, Huske N, Hynek V, Iashvili I, Ilchenko Y, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jamin D, Jayasinghe A, Jesik R, Johns K, Johnson M, Johnston D, Jonckheere A, Jonsson P, Joshi J, Jung AW, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Kirby MH, Kohli JM, Kozelov AV, Kraus J, Kulikov S, Kumar A, Kupco A, Kurča T, Kuzmin VA, Kvita J, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Liu Z, Lobodenko A, Lokajicek M, Lopes de Sa R, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Miconi F, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero y Garzón GJ, Padilla M, Pal A, Parashar N, Parihar V, Park SK, Parsons J, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters K, Peters Y, Petridis K, Petrillo G, Pétroff P, Piegaia R, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Polozov P, Popov AV, Prewitt M, Price D, Prokopenko N, Protopopescu S, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Ross A, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Salcido P, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Soustruznik K, Stark J, Stolin V, Stoyanova DA, Strauss M, Strom D, Stutte L, Suter L, Svoisky P, Takahashi M, Tanasijczuk A, Taylor W, Titov M, Tokmenin VV, Tsai YT, Tsybychev D, Tuchming B, Tully C, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Welty-Rieger L, White A, Wicke D, Williams MRJ, Wilson GW, Wobisch M, Wood DR, Wyatt TR, Xie Y, Xu C, Yacoob S, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye Z, Yin H, Yip K, Youn SW, Yu J, Zelitch S, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Search for a fermiophobic and standard model Higgs boson in diphoton final states. PHYSICAL REVIEW LETTERS 2011; 107:151801. [PMID: 22107284 DOI: 10.1103/physrevlett.107.151801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2011] [Indexed: 05/31/2023]
Abstract
We present a search for the standard model Higgs boson and a fermiophobic Higgs boson in the diphoton final states based on 8.2 fb(-1) of pp collisions at sqrt[s]=1.96 TeV collected with the D0 detector at the Fermilab Tevatron Collider. No excess of data above background predictions is observed and upper limits at the 95% C.L. on the cross section multiplied by the branching fraction are set which are the most restrictive to date. A fermiophobic Higgs boson with a mass below 112.9 GeV is excluded at the 95% C.L.
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Alves GA, Aoki M, Arov M, Askew A, Åsman B, Atramentov O, Avila C, BackusMayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Beale S, Bean A, Begalli M, Begel M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Das A, Davies G, De K, de Jong SJ, De La Cruz-Burelo E, Déliot F, Demarteau M, Demina R, Denisov D, Denisov SP, Desai S, Deterre C, DeVaughan K, Diehl HT, Diesburg M, Ding PF, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Garcia-Bellido A, Gavrilov V, Gay P, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guillemin T, Guo F, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De La Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hubacek Z, Huske N, Hynek V, Iashvili I, Ilchenko Y, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jamin D, Jayasinghe A, Jesik R, Johns K, Johnson M, Johnston D, Jonckheere A, Jonsson P, Joshi J, Jung AW, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Kirby MH, Kohli JM, Kozelov AV, Kraus J, Kulikov S, Kumar A, Kupco A, Kurča T, Kuzmin VA, Kvita J, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Liu Z, Lobodenko A, Lokajicek M, Lopes de Sa R, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Miconi F, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero y Garzón GJ, Padilla M, Pal A, Parashar N, Parihar V, Park SK, Parsons J, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters K, Peters Y, Petridis K, Petrillo G, Pétroff P, Piegaia R, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Polozov P, Popov AV, Prewitt M, Price D, Prokopenko N, Protopopescu S, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Ross A, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Salcido P, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Soustruznik K, Stark J, Stolin V, Stoyanova DA, Strauss M, Strom D, Stutte L, Suter L, Svoisky P, Takahashi M, Tanasijczuk A, Taylor W, Titov M, Tokmenin VV, Tsai YT, Tschann-Grimm K, Tsybychev D, Tuchming B, Tully C, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Welty-Rieger L, White A, Wicke D, Williams MRJ, Wilson GW, Wobisch M, Wood DR, Wyatt TR, Xie Y, Xu C, Yacoob S, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye Z, Yin H, Yip K, Youn SW, Yu J, Zelitch S, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Search for neutral minimal supersymmetric standard model Higgs bosons decaying to tau pairs produced in association with b quarks in pp collisions at √s = 1.96 TeV. PHYSICAL REVIEW LETTERS 2011; 107:121801. [PMID: 22026764 DOI: 10.1103/physrevlett.107.121801] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2011] [Indexed: 05/31/2023]
Abstract
We report results from a search for neutral Higgs bosons produced in association with b quarks using data recorded by the D0 experiment at the Fermilab Tevatron Collider and corresponding to an integrated luminosity of 7.3 fb(-1). This production mode can be enhanced in several extensions of the standard model (SM) such as in its minimal supersymmetric extension (MSSM) at high tanβ. We search for Higgs bosons decaying to tau pairs with one tau decaying to a muon and neutrinos and the other to hadrons. The data are found to be consistent with SM expectations, and we set upper limits on the cross section times branching ratio in the Higgs boson mass range from 90 to 320 GeV/c(2). We interpret our result in the MSSM parameter space, excluding tanβ values down to 25 for Higgs boson masses below 170 GeV/c(2).
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Alves GA, Aoki M, Arov M, Askew A, Åsman B, Atramentov O, Avila C, BackusMayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Beale S, Bean A, Begalli M, Begel M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Das A, Davies G, De K, de Jong SJ, De La Cruz-Burelo E, Déliot F, Demarteau M, Demina R, Denisov D, Denisov SP, Desai S, Deterre C, DeVaughan K, Diehl HT, Diesburg M, Ding PF, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Garcia-Bellido A, Gavrilov V, Gay P, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guillemin T, Guo F, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De La Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hubacek Z, Huske N, Hynek V, Iashvili I, Ilchenko Y, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jamin D, Jayasinghe A, Jesik R, Johns K, Johnson M, Johnston D, Jonckheere A, Jonsson P, Joshi J, Jung AW, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Kirby MH, Kohli JM, Kozelov AV, Kraus J, Kulikov S, Kumar A, Kupco A, Kurča T, Kuzmin VA, Kvita J, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Liu Z, Lobodenko A, Lokajicek M, Lopes de Sa R, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Miconi F, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero y Garzón GJ, Padilla M, Pal A, Parashar N, Parihar V, Park SK, Parsons J, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters K, Peters Y, Petridis K, Petrillo G, Pétroff P, Piegaia R, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Polozov P, Popov AV, Prewitt M, Price D, Prokopenko N, Protopopescu S, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Ross A, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Salcido P, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Soustruznik K, Stark J, Stolin V, Stoyanova DA, Strauss M, Strom D, Stutte L, Suter L, Svoisky P, Takahashi M, Tanasijczuk A, Taylor W, Titov M, Tokmenin VV, Tsai YT, Tsybychev D, Tuchming B, Tully C, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Welty-Rieger L, White A, Wicke D, Williams MRJ, Wilson GW, Wobisch M, Wood DR, Wyatt TR, Xie Y, Xu C, Yacoob S, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye Z, Yin H, Yip K, Youn SW, Yu J, Zelitch S, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Precision measurement of the ratio B(t→Wb)/B(t→Wq) and extraction of V(tb). PHYSICAL REVIEW LETTERS 2011; 107:121802. [PMID: 22026765 DOI: 10.1103/physrevlett.107.121802] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2011] [Indexed: 05/31/2023]
Abstract
We present a measurement of the ratio of top quark branching fractions R=B(t→Wb)/B(t→Wq), where q can be a d, s, or b quark, in the lepton+jets and dilepton tt final states. The measurement uses data from 5.4 fb(-1) of pp collisions collected with the D0 detector at the Fermilab Tevatron Collider. We measure R=0.90±0.04, and we extract the Cabibbo-Kobayashi-Maskawa (CKM) matrix element |V(tb)| as |V(tb)|=0.95±0.02, assuming unitarity of the 3×3 CKM matrix.
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Pasqualini A, Junovich G, Azpiroz A, Inciarte F, Pasqualini S, Gutierrez G. Estradiol levels correlate with cytotoxic natural killer cell counts in implantation failure related to unexplained infertility. Fertil Steril 2011. [DOI: 10.1016/j.fertnstert.2011.07.570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Pasqualini A, Azpiroz A, Junovich G, Ferrer C, Pasqualini S, Gutierrez G. Controlled ovarian stimulation is affecting endometrial quality. Fertil Steril 2011. [DOI: 10.1016/j.fertnstert.2011.07.561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Alves GA, Ancu LS, Aoki M, Arov M, Askew A, Åsman B, Atramentov O, Avila C, BackusMayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Beale S, Bean A, Begalli M, Begel M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Das A, Davies G, De K, de Jong SJ, De la Cruz-Burelo E, Déliot F, Demarteau M, Demina R, Denisov D, Denisov SP, Desai S, Deterre C, DeVaughan K, Diehl HT, Diesburg M, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Garcia-Bellido A, Gavrilov V, Gay P, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guillemin T, Guo F, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De la Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hubacek Z, Huske N, Hynek V, Iashvili I, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jamin D, Jayasinghe A, Jesik R, Johns K, Johnson M, Johnston D, Jonckheere A, Jonsson P, Joshi J, Jung AW, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Khatidze D, Kirby MH, Kohli JM, Kozelov AV, Kraus J, Kulikov S, Kumar A, Kupco A, Kurča T, Kuzmin VA, Kvita J, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Liu Z, Lobodenko A, Lokajicek M, Lopes de Sa R, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Miconi F, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero y Garzón GJ, Padilla M, Pal A, Parashar N, Parihar V, Park SK, Parsons J, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters K, Peters Y, Petridis K, Petrillo G, Pétroff P, Piegaia R, Piper J, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Polozov P, Popov AV, Prewitt M, Price D, Prokopenko N, Protopopescu S, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Ross A, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Salcido P, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Soustruznik K, Stark J, Stolin V, Stoyanova DA, Strauss M, Strom D, Stutte L, Suter L, Svoisky P, Takahashi M, Tanasijczuk A, Taylor W, Titov M, Tokmenin VV, Tsai YT, Tsybychev D, Tuchming B, Tully C, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Welty-Rieger L, White A, Wicke D, Williams MRJ, Wilson GW, Wobisch M, Wood DR, Wyatt TR, Xie Y, Xu C, Yacoob S, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye Z, Yin H, Yip K, Youn SW, Yu J, Zelitch S, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Search for a fourth generation t' Quark in p ̄p collisions at √s = 1.96 TeV. PHYSICAL REVIEW LETTERS 2011; 107:082001. [PMID: 21929161 DOI: 10.1103/physrevlett.107.082001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2011] [Indexed: 05/31/2023]
Abstract
We present a search for pair production of a fourth generation t' quark and its antiparticle, followed by their decays to a W boson and a jet, based on an integrated luminosity of 5.3 fb(-1) of proton-antiproton collisions at √s = 1.96 TeV collected by the D0 Collaboration at the Fermilab Tevatron Collider. We set upper limits on the t' ̄t' production cross section that exclude at the 95% C.L. a t' quark that decays exclusively to W+jet with a mass below 285 GeV. We observe a small excess in the μ+jets channel which reduces the mass range excluded compared to the expected limit of 320 GeV in the absence of a signal.
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Alves GA, Ancu LS, Aoki M, Arov M, Askew A, Åsman B, Atramentov O, Avila C, BackusMayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Beale S, Bean A, Begalli M, Begel M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Das A, Davies G, De K, de Jong SJ, De la Cruz-Burelo E, Déliot F, Demarteau M, Demina R, Denisov D, Denisov SP, Desai S, Deterre C, DeVaughan K, Diehl HT, Diesburg M, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Garcia-Bellido A, Gavrilov V, Gay P, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guillemin T, Guo F, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De la Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hubacek Z, Huske N, Hynek V, Iashvili I, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jamin D, Jayasinghe A, Jesik R, Johns K, Johnson M, Johnston D, Jonckheere A, Jonsson P, Joshi J, Jung AW, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Khatidze D, Kirby MH, Kohli JM, Kozelov AV, Kraus J, Kulikov S, Kumar A, Kupco A, Kurča T, Kuzmin VA, Kvita J, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Liu Z, Lobodenko A, Lokajicek M, Lopes de Sa R, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Miconi F, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero y Garzón GJ, Padilla M, Pal A, Parashar N, Parihar V, Park SK, Parsons J, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters K, Peters Y, Petridis K, Petrillo G, Pétroff P, Piegaia R, Piper J, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Polozov P, Popov AV, Prewitt M, Price D, Prokopenko N, Protopopescu S, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Ross A, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Salcido P, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Soustruznik K, Stark J, Stolin V, Stoyanova DA, Strauss M, Strom D, Stutte L, Suter L, Svoisky P, Takahashi M, Tanasijczuk A, Taylor W, Titov M, Tokmenin VV, Tsai YT, Tsybychev D, Tuchming B, Tully C, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Welty-Rieger L, White A, Wicke D, Williams MRJ, Wilson GW, Wobisch M, Wood DR, Wyatt TR, Xie Y, Xu C, Yacoob S, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye Z, Yin H, Yip K, Youn SW, Yu J, Zelitch S, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Precise measurement of the top quark mass in the dilepton channel at D0. PHYSICAL REVIEW LETTERS 2011; 107:082004. [PMID: 21929164 DOI: 10.1103/physrevlett.107.082004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2011] [Indexed: 05/31/2023]
Abstract
We measure the top quark mass (m(t)) in p ̄p collisions at a center of mass energy √s = 1.96 TeV using dilepton t ̄t→W(+)bW(-) ̄b→ℓ(+)ν(ℓ)bℓ(-) ̄ν(ℓ) ̄b events, where ℓ denotes an electron, a muon, or a tau that decays leptonically. The data correspond to an integrated luminosity of 5.4 fb(-1) collected with the D0 detector at the Fermilab Tevatron Collider. We obtain m(t)=174.0±1.8(stat)±2.4(syst) GeV, which is in agreement with the current world average m(t)=173.3±1.1 GeV. This is currently the most precise measurement of m(t) in the dilepton channel.
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Gutierrez G, Junovich G, Azpiroz A, Incera E, Pasqualini A, Pasqualini S. IL6 as a new parameter of endometrial quality. Normal range and dual behaviour associated with endometrial NK cells. J Reprod Immunol 2011. [DOI: 10.1016/j.jri.2011.06.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Azpiroz A, Junovich G, Ferrer C, Pasqualini A, Pasqualini S, Gutierrez G. Is ovarian stimulation affecting endometrial NK cell response during implantation window? J Reprod Immunol 2011. [DOI: 10.1016/j.jri.2011.06.062] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Alves GA, Ancu LS, Aoki M, Arov M, Askew A, Åsman B, Atramentov O, Avila C, BackusMayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Beale S, Bean A, Begalli M, Begel M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Das A, Davies G, De K, de Jong SJ, De La Cruz-Burelo E, Déliot F, Demarteau M, Demina R, Denisov D, Denisov SP, Desai S, Deterre C, DeVaughan K, Diehl HT, Diesburg M, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Garcia-Bellido A, Gavrilov V, Gay P, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guillemin T, Guo F, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De La Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hubacek Z, Huske N, Hynek V, Iashvili I, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jamin D, Jayasinghe A, Jesik R, Johns K, Johnson M, Johnston D, Jonckheere A, Jonsson P, Joshi J, Jung AW, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Khatidze D, Kirby MH, Kohli JM, Kozelov AV, Kraus J, Kulikov S, Kumar A, Kupco A, Kurča T, Kuzmin VA, Kvita J, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Liu Z, Lobodenko A, Lokajicek M, Lopes de Sa R, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Miconi F, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero y Garzón GJ, Padilla M, Pal A, Parashar N, Parihar V, Park SK, Parsons J, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters K, Peters Y, Petridis K, Petrillo G, Pétroff P, Piegaia R, Piper J, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Polozov P, Popov AV, Prewitt M, Price D, Prokopenko N, Protopopescu S, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Ross A, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Salcido P, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Soustruznik K, Stark J, Stolin V, Stoyanova DA, Strauss M, Strom D, Stutte L, Suter L, Svoisky P, Takahashi M, Tanasijczuk A, Taylor W, Titov M, Tokmenin VV, Tsai YT, Tsybychev D, Tuchming B, Tully C, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Welty-Rieger L, White A, Wicke D, Williams MRJ, Wilson GW, Wobisch M, Wood DR, Wyatt TR, Xie Y, Xu C, Yacoob S, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye Z, Yin H, Yip K, Youn SW, Yu J, Zelitch S, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Measurement ofsin2θeffℓandZ-light quark couplings using the forward-backward charge asymmetry inpp¯→Z/γ*→e+e−events withL=5.0 fb−1ats=1.96 TeV. Int J Clin Exp Med 2011. [DOI: 10.1103/physrevd.84.012007] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Alves GA, Ancu LS, Aoki M, Arov M, Askew A, Åsman B, Atramentov O, Avila C, BackusMayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Beale S, Bean A, Begalli M, Begel M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Das A, Davies G, De K, de Jong SJ, De la Cruz-Burelo E, Déliot F, Demarteau M, Demina R, Denisov D, Denisov SP, Desai S, Deterre C, DeVaughan K, Diehl HT, Diesburg M, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Garcia-Bellido A, Gavrilov V, Gay P, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guillemin T, Guo F, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De la Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hubacek Z, Huske N, Hynek V, Iashvili I, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jamin D, Jayasinghe A, Jesik R, Johns K, Johnson M, Johnston D, Jonckheere A, Jonsson P, Joshi J, Jung AW, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Khatidze D, Kirby MH, Kohli JM, Kozelov AV, Kraus J, Kulikov S, Kumar A, Kupco A, Kurča T, Kuzmin VA, Kvita J, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Liu Z, Lobodenko A, Lokajicek M, Lopes de Sa R, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Miconi F, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero y Garzón GJ, Padilla M, Pal A, Parashar N, Parihar V, Park SK, Parsons J, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters K, Peters Y, Petridis K, Petrillo G, Pétroff P, Piegaia R, Piper J, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Polozov P, Popov AV, Prewitt M, Price D, Prokopenko N, Protopopescu S, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Ross A, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Salcido P, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Soustruznik K, Stark J, Stolin V, Stoyanova DA, Strauss M, Strom D, Stutte L, Suter L, Svoisky P, Takahashi M, Tanasijczuk A, Taylor W, Titov M, Tokmenin VV, Tsai YT, Tsybychev D, Tuchming B, Tully C, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Welty-Rieger L, White A, Wicke D, Williams MRJ, Wilson GW, Wobisch M, Wood DR, Wyatt TR, Xie Y, Xu C, Yacoob S, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye Z, Yin H, Yip K, Youn SW, Yu J, Zelitch S, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Measurement of spin correlation in tt production using a matrix element approach. PHYSICAL REVIEW LETTERS 2011; 107:032001. [PMID: 21838349 DOI: 10.1103/physrevlett.107.032001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2011] [Indexed: 05/31/2023]
Abstract
We determine the fraction of tt events with spin correlation, assuming that the spin of the top quark is either correlated with the spin of the top antiquark as predicted by the standard model or is uncorrelated. For the first time we use a matrix-element-based approach to study tt spin correlation. We use tt → W+ b W- b → ℓ+ νbℓ- ν b final states produced in pp collisions at a center-of-mass energy sqrt(s)=1.96 TeV, where ℓ denotes an electron or a muon. The data correspond to an integrated luminosity of 5.4 fb(-1) and were collected with the D0 detector at the Fermilab Tevatron collider. The result agrees with the standard model prediction. We exclude the hypothesis that the spins of the tt are uncorrelated at the 97.7% C.L.
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Alves GA, Ancu LS, Aoki M, Arnoud Y, Arov M, Askew A, Asman B, Atramentov O, Avila C, Backusmayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Beale S, Bean A, Begalli M, Begel M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Bolton TA, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Caughron S, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Christoudias T, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Cwiok M, Das A, Davies G, De K, de Jong SJ, De La Cruz-Burelo E, Déliot F, Demarteau M, Demina R, Denisov D, Denisov SP, Desai S, Devaughan K, Diehl HT, Diesburg M, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Gadfort T, Garcia-Bellido A, Gavrilov V, Gay P, Geist W, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guo F, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De La Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hossain S, Hubacek Z, Huske N, Hynek V, Iashvili I, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jain S, Jamin D, Jesik R, Johns K, Johnson M, Johnston D, Jonckheere A, Jonsson P, Joshi J, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Khatidze D, Kirby MH, Kohli JM, Kozelov AV, Kraus J, Kumar A, Kupco A, Kurča T, Kuzmin VA, Kvita J, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Liu Z, Lobodenko A, Lokajicek M, Love P, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero Y Garzón GJ, Owen M, Padilla M, Pangilinan M, Parashar N, Parihar V, Park SK, Parsons J, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters K, Peters Y, Petrillo G, Pétroff P, Piegaia R, Piper J, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Pol ME, Polozov P, Popov AV, Prewitt M, Price D, Protopopescu S, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rich P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Sopczak A, Sosebee M, Soustruznik K, Spurlock B, Stark J, Stolin V, Stoyanova DA, Strauss M, Strom D, Stutte L, Suter L, Svoisky P, Takahashi M, Tanasijczuk A, Taylor W, Titov M, Tokmenin VV, Tsai YT, Tsybychev D, Tuchming B, Tully C, Tuts PM, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vint P, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Welty-Rieger L, White A, Wicke D, Williams MRJ, Wilson GW, Wimpenny SJ, Wobisch M, Wood DR, Wyatt TR, Xie Y, Xu C, Yacoob S, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye Z, Yin H, Yip K, Youn SW, Yu J, Zelitch S, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Search for Resonant WW and WZ Production in pp collisions at √s=1.96 TeV. PHYSICAL REVIEW LETTERS 2011; 107:011801. [PMID: 21797534 DOI: 10.1103/physrevlett.107.011801] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2010] [Revised: 03/03/2011] [Indexed: 05/31/2023]
Abstract
We search for resonant WW or WZ production by using up to 5.4 fb(-1) of integrated luminosity collected by the D0 experiment in run II of the Fermilab Tevatron Collider. The data are consistent with the standard model background expectation, and we set limits on a resonance mass by using the sequential standard model W' boson and the Randall-Sundrum model graviton G as benchmarks. We exclude a sequential standard model W' boson in the mass range 180-690 GeV and a Randall-Sundrum graviton in the range 300-754 GeV at 95% C.L.
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Alves GA, Aoki M, Arov M, Askew A, Asman B, Atramentov O, Avila C, Backusmayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Beale S, Bean A, Begalli M, Begel M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Das A, Davies G, De K, de Jong SJ, De La Cruz-Burelo E, Déliot F, Demarteau M, Demina R, Denisov D, Denisov SP, Desai S, Deterre C, Devaughan K, Diehl HT, Diesburg M, Ding PF, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Garcia-Bellido A, Gavrilov V, Gay P, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guillemin T, Guo F, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De La Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hubacek Z, Huske N, Hynek V, Iashvili I, Ilchenko Y, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jamin D, Jayasinghe A, Jesik R, Johns K, Johnson M, Johnston D, Jonckheere A, Jonsson P, Joshi J, Jung AW, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Kirby MH, Kohli JM, Kozelov AV, Kraus J, Kulikov S, Kumar A, Kupco A, Kurča T, Kuzmin VA, Kvita J, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Liu Z, Lobodenko A, Lokajicek M, Lopes de Sa R, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Miconi F, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero Y Garzón GJ, Padilla M, Pal A, Parashar N, Parihar V, Park SK, Parsons J, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters K, Peters Y, Petridis K, Petrillo G, Pétroff P, Piegaia R, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Polozov P, Popov AV, Prewitt M, Price D, Prokopenko N, Protopopescu S, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Ross A, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Salcido P, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Soustruznik K, Stark J, Stolin V, Stoyanova DA, Strauss M, Strom D, Stutte L, Suter L, Svoisky P, Takahashi M, Tanasijczuk A, Taylor W, Titov M, Tokmenin VV, Tsai YT, Tsybychev D, Tuchming B, Tully C, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Welty-Rieger L, White A, Wicke D, Williams MRJ, Wilson GW, Wobisch M, Wood DR, Wyatt TR, Xie Y, Xu C, Yacoob S, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye Z, Yin H, Yip K, Youn SW, Yu J, Zelitch S, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Bounds on an anomalous dijet resonance in W+jets production in pp collisions at √s = 1.96 TeV. PHYSICAL REVIEW LETTERS 2011; 107:011804. [PMID: 21797537 DOI: 10.1103/physrevlett.107.011804] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2011] [Indexed: 05/31/2023]
Abstract
We present a study of the dijet invariant mass spectrum in events with two jets produced in association with a W boson in data corresponding to an integrated luminosity of 4.3 fb(-1) collected with the D0 detector at √s = 1.96 TeV. We find no evidence for anomalous resonant dijet production and derive upper limits on the production cross section of an anomalous dijet resonance recently reported by the CDF Collaboration, investigating the range of dijet invariant mass from 110 to 170 GeV/c(2). The probability of the D0 data being consistent with the presence of a dijet resonance with 4 pb production cross section at 145 GeV/c(2) is 8×10(-6).
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Alves GA, Ancu LS, Aoki M, Arov M, Askew A, Åsman B, Atramentov O, Avila C, BackusMayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Beale S, Bean A, Begalli M, Begel M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Bolton TA, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Christoudias T, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Das A, Davies G, De K, de Jong SJ, De La Cruz-Burelo E, Déliot F, Demarteau M, Demina R, Denisov D, Denisov SP, Desai S, DeVaughan K, Diehl HT, Diesburg M, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Gadfort T, Garcia-Bellido A, Gavrilov V, Gay P, Geist W, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guo F, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De La Cruz I, Herner K, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hossain S, Hubacek Z, Huske N, Hynek V, Iashvili I, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jain S, Jamin D, Jesik R, Johns K, Johnson M, Johnston D, Jonckheere A, Jonsson P, Joshi J, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Khatidze D, Kirby MH, Kohli JM, Kozelov AV, Kraus J, Kumar A, Kupco A, Kurča T, Kuzmin VA, Kvita J, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Liu Z, Lobodenko A, Lokajicek M, Love P, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Miconi F, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero y Garzón GJ, Owen M, Padilla M, Pangilinan M, Parashar N, Parihar V, Park SK, Parsons J, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters K, Peters Y, Petrillo G, Pétroff P, Piegaia R, Piper J, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Pol ME, Polozov P, Popov AV, Prewitt M, Price D, Protopopescu S, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Sopczak A, Sosebee M, Soustruznik K, Spurlock B, Stark J, Stolin V, Stoyanova DA, Strauss M, Strom D, Stutte L, Suter L, Svoisky P, Takahashi M, Tanasijczuk A, Taylor W, Titov M, Tokmenin VV, Tsai YT, Tsybychev D, Tuchming B, Tully C, Tuts PM, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vint P, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Welty-Rieger L, White A, Wicke D, Williams MRJ, Wilson GW, Wimpenny SJ, Wobisch M, Wood DR, Wyatt TR, Xie Y, Xu C, Yacoob S, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye Z, Yin H, Yip K, Youn SW, Yu J, Zelitch S, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Search for the standard model Higgs boson in the H→WW→lνq'q decay channel. PHYSICAL REVIEW LETTERS 2011; 106:171802. [PMID: 21635028 DOI: 10.1103/physrevlett.106.171802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2011] [Indexed: 05/30/2023]
Abstract
We present a search for the standard model Higgs boson (H) in pp collisions at sqrt(s)=1.96 TeV in events containing a charged lepton (ℓ), missing transverse energy, and at least two jets, using 5.4 fb(-1) of integrated luminosity recorded with the D0 detector at the Fermilab Tevatron Collider. This analysis is sensitive primarily to Higgs bosons produced through the fusion of two gluons or two electroweak bosons, with subsequent decay H→WW→ℓνq'q, where ℓ is an electron or muon. The search is also sensitive to contributions from other production channels, such as WH→ℓνbb. In the absence of a signal, we set limits at the 95% C.L. on the cross section for H production σ(pp→H+X) in these final states. For a mass of M(H)=160 GeV, the limit is a factor of 3.9 larger than the cross section in the standard model and consistent with an a priori expected sensitivity of 5.0.
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Abazov VM, Abbott B, Abolins M, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Alves GA, Ancu LS, Aoki M, Arnoud Y, Arov M, Askew A, Åsman B, Atramentov O, Avila C, BackusMayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Beale S, Bean A, Begalli M, Begel M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Bolton TA, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buchholz D, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Christoudias T, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Ćwiok M, Das A, Davies G, De K, de Jong SJ, De La Cruz-Burelo E, Déliot F, Demarteau M, Demina R, Denisov D, Denisov SP, Desai S, DeVaughan K, Diehl HT, Diesburg M, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Eno S, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Gadfort T, Garcia-Bellido A, Gavrilov V, Gay P, Geist W, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guo F, Guo J, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De La Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hossain S, Hubacek Z, Huske N, Hynek V, Iashvili I, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jain S, Jamin D, Jesik R, Johns K, Johnson M, Johnston D, Jonckheere A, Jonsson P, Joshi J, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Khatidze D, Kirby MH, Kohli JM, Kozelov AV, Kraus J, Kumar A, Kupco A, Kurča T, Kuzmin VA, Kvita J, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Liu Z, Lobodenko A, Lokajicek M, Love P, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero y Garzón GJ, Owen M, Padilla M, Pangilinan M, Parashar N, Parihar V, Park SK, Parsons J, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters K, Peters Y, Petrillo G, Pétroff P, Piegaia R, Piper J, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Pol ME, Polozov P, Popov AV, Prewitt M, Price D, Protopopescu S, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rich P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Sopczak A, Sosebee M, Soustruznik K, Spurlock B, Stark J, Stolin V, Stoyanova DA, Strauss E, Strauss M, Strom D, Stutte L, Svoisky P, Takahashi M, Tanasijczuk A, Taylor W, Titov M, Tokmenin VV, Tsybychev D, Tuchming B, Tully C, Tuts PM, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vint P, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Welty-Rieger L, Wetstein M, White A, Wicke D, Williams MRJ, Wilson GW, Wimpenny SJ, Wobisch M, Wood DR, Wyatt TR, Xie Y, Xu C, Yacoob S, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye Z, Yin H, Yip K, Yoo HD, Youn SW, Yu J, Zelitch S, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Precise study of the Z/γ* boson transverse momentum distribution in pp collisions using a novel technique. PHYSICAL REVIEW LETTERS 2011; 106:122001. [PMID: 21517304 DOI: 10.1103/physrevlett.106.122001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2010] [Indexed: 05/30/2023]
Abstract
Using 7.3 fb⁻¹ of pp collisions collected by the D0 detector at the Fermilab Tevatron, we measure the distribution of the variable φ(η)*, which probes the same physical effects as the Z/γ* boson transverse momentum, but is less susceptible to the effects of experimental resolution and efficiency. A QCD prediction is found to describe the general features of the φ(η)* distribution, but is unable to describe its detailed shape or dependence on boson rapidity. A prediction that includes a broadening of transverse momentum for small values of the parton momentum fraction is strongly disfavored.
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97
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Stelletta C, Juyena NS, Ponce Salazar D, Ruiz J, Gutierrez G. Testicular cytology of alpaca: comparison between impressed and smeared slides. Anim Reprod Sci 2011; 125:133-7. [PMID: 21493020 DOI: 10.1016/j.anireprosci.2011.03.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2010] [Revised: 03/09/2011] [Accepted: 03/11/2011] [Indexed: 10/18/2022]
Abstract
Testicular fine needle aspiration (TFNA) has proven to be a simple and minimally invasive procedure, which allows assessments of cytological parameters of seminiferous epithelium/tubules more accurately in a short time. Though this technique does not cause negative effects on sperm quality or any damage to testicular tissue, its use is very limited in male animal infertility diagnostics. Report on the use of this technique in South American Camelids (SAC) is very limited. Therefore, the aim of this study was to evaluate the efficacy of TFNA for identification of different testicular cells and cell indices, and their correlation with that of impression cytology. A total of 98 slides were prepared from testes of six adult alpaca males, collected immediately after slaughter. Aspiration samples were performed by inserting a fine butterfly needle (21 G) connected to a 50 ml syringe into a testicle and multiple plane aspirations were carried out to obtain the materials destined to the smear. Three different imprints on slides were taken from each testicle. All slides were air-dried, stained with modified May--Grünwald--Giemsa (MGG) stain and then examined under light microscope with 1000× magnifications. Spermatogenic cells such as, spermatogonia (Sg), primary spermatocytes, secondary spermatocytes, early spermatids (ab), late spermatids (cd) and spermatozoa, and Sertoli cells were counted. The spermatozoa percentage was expressed as spermatic index (SI) and the number of Sertoli cells, counted apart, was expressed as sertoli cell index (SEI). There was not any significant difference between the spermatogenic cell parameters obtained from the two types of slides, but SEI were significantly different in two types of smears. The results of the study provide support for the use of TFNA as a useful minimally invasive modality to identify different spermatogenetic cell classes in alpaca. Moreover, the possibility to standardize this method might provide a greater impulse to the clinical diagnostics of SAC male infertility.
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98
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Alves GA, Ancu LS, Aoki M, Arnoud Y, Arov M, Askew A, Åsman B, Atramentov O, Avila C, BackusMayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Beale S, Bean A, Begalli M, Begel M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Bolton TA, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Caughron S, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Christoudias T, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Ćwiok M, Das A, Davies G, De K, de Jong SJ, De la Cruz-Burelo E, Déliot F, Demarteau M, Demina R, Denisov D, Denisov SP, Desai S, DeVaughan K, Diehl HT, Diesburg M, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Gadfort T, Garcia-Bellido A, Gavrilov V, Gay P, Geist W, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guo F, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De la Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hossain S, Hubacek Z, Huske N, Hynek V, Iashvili I, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jain S, Jamin D, Jesik R, Johns K, Johnson M, Johnston D, Jonckheere A, Jonsson P, Joshi J, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Khatidze D, Kirby MH, Kohli JM, Kozelov AV, Kraus J, Kumar A, Kupco A, Kurča T, Kuzmin VA, Kvita J, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Liu Z, Lobodenko A, Lokajicek M, Love P, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero y Garzón GJ, Owen M, Padilla M, Pangilinan M, Parashar N, Parihar V, Park SK, Parsons J, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters K, Peters Y, Petrillo G, Pétroff P, Piegaia R, Piper J, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Pol ME, Polozov P, Popov AV, Prewitt M, Price D, Protopopescu S, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rich P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Sopczak A, Sosebee M, Soustruznik K, Spurlock B, Stark J, Stolin V, Stoyanova DA, Strauss M, Strom D, Stutte L, Suter L, Svoisky P, Takahashi M, Tanasijczuk A, Taylor W, Titov M, Tokmenin VV, Tsai YT, Tsybychev D, Tuchming B, Tully C, Tuts PM, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vint P, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Welty-Rieger L, White A, Wicke D, Williams MRJ, Wilson GW, Wimpenny SJ, Wobisch M, Wood DR, Wyatt TR, Xie Y, Xu C, Yacoob S, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye Z, Yin H, Yip K, Youn SW, Yu J, Zelitch S, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Search for single vectorlike quarks in pp ̄ collisions at √s=1.96 TeV. PHYSICAL REVIEW LETTERS 2011; 106:081801. [PMID: 21405565 DOI: 10.1103/physrevlett.106.081801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2010] [Indexed: 05/30/2023]
Abstract
We present a search for hypothetical vectorlike quarks in pp ̅ collisions at √s=1.96 TeV. The data were collected by the D0 detector at the Fermilab Tevatron Collider and correspond to an integrated luminosity of 5.4 fb(-1). We select events with a final state composed of a W or Z boson and a jet consistent with a heavy object decay. We observe no significant excess in comparison to the background prediction and set limits on production cross sections for vectorlike quarks decaying to W+jet and Z+jet. These are the most stringent limits to date for electroweak single vectorlike quark production at hadron colliders.
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Abazov VM, Abbott B, Abolins M, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Alves GA, Ancu LS, Aoki M, Arnoud Y, Arov M, Askew A, Åsman B, Atramentov O, Avila C, BackusMayes J, Badaud F, Bagby L, Baldin B, Bandurin DV, Banerjee S, Barberis E, Baringer P, Barreto J, Bartlett JF, Bassler U, Bazterra V, Beale S, Bean A, Begalli M, Begel M, Belanger-Champagne C, Bellantoni L, Beri SB, Bernardi G, Bernhard R, Bertram I, Besançon M, Beuselinck R, Bezzubov VA, Bhat PC, Bhatnagar V, Blazey G, Blessing S, Bloom K, Boehnlein A, Boline D, Bolton TA, Boos EE, Borissov G, Bose T, Brandt A, Brandt O, Brock R, Brooijmans G, Bross A, Brown D, Brown J, Bu XB, Buchholz D, Buehler M, Buescher V, Bunichev V, Burdin S, Burnett TH, Buszello CP, Calpas B, Camacho-Pérez E, Carrasco-Lizarraga MA, Casey BCK, Castilla-Valdez H, Chakrabarti S, Chakraborty D, Chan KM, Chandra A, Chen G, Chevalier-Théry S, Cho DK, Cho SW, Choi S, Choudhary B, Christoudias T, Cihangir S, Claes D, Clutter J, Cooke M, Cooper WE, Corcoran M, Couderc F, Cousinou MC, Croc A, Cutts D, Ćwiok M, Das A, Davies G, De K, de Jong SJ, De la Cruz-Burelo E, Déliot F, Demarteau M, Demina R, Denisov D, Denisov SP, Desai S, DeVaughan K, Diehl HT, Diesburg M, Dominguez A, Dorland T, Dubey A, Dudko LV, Duggan D, Duperrin A, Dutt S, Dyshkant A, Eads M, Edmunds D, Ellison J, Elvira VD, Enari Y, Eno S, Evans H, Evdokimov A, Evdokimov VN, Facini G, Ferbel T, Fiedler F, Filthaut F, Fisher W, Fisk HE, Fortner M, Fox H, Fuess S, Gadfort T, Garcia-Bellido A, Gavrilov V, Gay P, Geist W, Geng W, Gerbaudo D, Gerber CE, Gershtein Y, Ginther G, Golovanov G, Goussiou A, Grannis PD, Greder S, Greenlee H, Greenwood ZD, Gregores EM, Grenier G, Gris P, Grivaz JF, Grohsjean A, Grünendahl S, Grünewald MW, Guo F, Guo J, Gutierrez G, Gutierrez P, Haas A, Hagopian S, Haley J, Han L, Harder K, Harel A, Hauptman JM, Hays J, Head T, Hebbeker T, Hedin D, Hegab H, Heinson AP, Heintz U, Hensel C, Heredia-De la Cruz I, Herner K, Hesketh G, Hildreth MD, Hirosky R, Hoang T, Hobbs JD, Hoeneisen B, Hohlfeld M, Hossain S, Hubacek Z, Huske N, Hynek V, Iashvili I, Illingworth R, Ito AS, Jabeen S, Jaffré M, Jain S, Jamin D, Jesik R, Johns K, Johnson M, Johnston D, Jonckheere A, Jonsson P, Joshi J, Juste A, Kaadze K, Kajfasz E, Karmanov D, Kasper PA, Katsanos I, Kehoe R, Kermiche S, Khalatyan N, Khanov A, Kharchilava A, Kharzheev YN, Khatidze D, Kirby MH, Kohli JM, Kozelov AV, Kraus J, Kumar A, Kupco A, Kurča T, Kuzmin VA, Kvita J, Lammers S, Landsberg G, Lebrun P, Lee HS, Lee SW, Lee WM, Lellouch J, Li L, Li QZ, Lietti SM, Lim JK, Lincoln D, Linnemann J, Lipaev VV, Lipton R, Liu Y, Liu Z, Lobodenko A, Lokajicek M, Love P, Lubatti HJ, Luna-Garcia R, Lyon AL, Maciel AKA, Mackin D, Madar R, Magaña-Villalba R, Malik S, Malyshev VL, Maravin Y, Martínez-Ortega J, McCarthy R, McGivern CL, Meijer MM, Melnitchouk A, Menezes D, Mercadante PG, Merkin M, Meyer A, Meyer J, Mondal NK, Muanza GS, Mulhearn M, Nagy E, Naimuddin M, Narain M, Nayyar R, Neal HA, Negret JP, Neustroev P, Novaes SF, Nunnemann T, Obrant G, Orduna J, Osman N, Osta J, Otero y Garzón GJ, Owen M, Padilla M, Pangilinan M, Parashar N, Parihar V, Park SK, Parsons J, Partridge R, Parua N, Patwa A, Penning B, Perfilov M, Peters K, Peters Y, Petrillo G, Pétroff P, Piegaia R, Piper J, Pleier MA, Podesta-Lerma PLM, Podstavkov VM, Pol ME, Polozov P, Popov AV, Prewitt M, Price D, Protopopescu S, Qian J, Quadt A, Quinn B, Rangel MS, Ranjan K, Ratoff PN, Razumov I, Renkel P, Rich P, Rijssenbeek M, Ripp-Baudot I, Rizatdinova F, Rominsky M, Royon C, Rubinov P, Ruchti R, Safronov G, Sajot G, Sánchez-Hernández A, Sanders MP, Sanghi B, Santos AS, Savage G, Sawyer L, Scanlon T, Schamberger RD, Scheglov Y, Schellman H, Schliephake T, Schlobohm S, Schwanenberger C, Schwienhorst R, Sekaric J, Severini H, Shabalina E, Shary V, Shchukin AA, Shivpuri RK, Simak V, Sirotenko V, Skubic P, Slattery P, Smirnov D, Smith KJ, Snow GR, Snow J, Snyder S, Söldner-Rembold S, Sonnenschein L, Sopczak A, Sosebee M, Soustruznik K, Spurlock B, Stark J, Stolin V, Stoyanova DA, Strauss E, Strauss M, Strom D, Stutte L, Svoisky P, Takahashi M, Tanasijczuk A, Taylor W, Titov M, Tokmenin VV, Tsybychev D, Tuchming B, Tully C, Tuts PM, Uvarov L, Uvarov S, Uzunyan S, Van Kooten R, van Leeuwen WM, Varelas N, Varnes EW, Vasilyev IA, Verdier P, Vertogradov LS, Verzocchi M, Vesterinen M, Vilanova D, Vint P, Vokac P, Wahl HD, Wang MHLS, Warchol J, Watts G, Wayne M, Weber M, Welty-Rieger L, Wetstein M, White A, Wicke D, Williams MRJ, Wilson GW, Wimpenny SJ, Wobisch M, Wood DR, Wyatt TR, Xie Y, Xu C, Yacoob S, Yamada R, Yang WC, Yasuda T, Yatsunenko YA, Ye Z, Yin H, Yip K, Yoo HD, Youn SW, Yu J, Zelitch S, Zhao T, Zhou B, Zhu J, Zielinski M, Zieminska D, Zivkovic L. Determination of the width of the top quark. PHYSICAL REVIEW LETTERS 2011; 106:022001. [PMID: 21405220 DOI: 10.1103/physrevlett.106.022001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2010] [Indexed: 05/30/2023]
Abstract
We extract the total width of the top quark, Γ(t), from the partial decay width Γ(t → Wb) measured using the t-channel cross section for single top-quark production and from the branching fraction B(t → Wb) measured in tt events using up to 2.3 fb(-1) of integrated luminosity collected by the D0 Collaboration at the Tevatron pp Collider. The result is Γ(t) = 1.99(-0.55)(+0.69) GeV, which translates to a top-quark lifetime of τ(t) = (3.3(-0.9)(+1.3)) × 10(-25) s. Assuming a high mass fourth generation b' quark and unitarity of the four-generation quark-mixing matrix, we set the first upper limit on |V(tb')| < 0.63 at 95% C.L.
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Gutierrez G, Ricardez L, Budman H, Prada C. Integration of Design and Control using an MPC-based superstructure for control structure selection. ACTA ACUST UNITED AC 2011. [DOI: 10.3182/20110828-6-it-1002.02535] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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