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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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Leone A, Ersfeld P, Adams M, Schiffer PM, Bucher HU, Arlettaz R. Neonatal morbidity in singleton late preterm infants compared with full-term infants. Acta Paediatr 2012; 101:e6-10. [PMID: 21895764 DOI: 10.1111/j.1651-2227.2011.02459.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
AIM The aim of this study was to test the hypothesis that singleton late preterm infants (34 0/7 to 36 6/7 weeks of gestation) compared with full-term infants have a higher incidence of short-term morbidity and stay longer in hospital. METHODS In this retrospective, multicentre study, electronic data of children born at five hospitals in Switzerland were recorded. Short-term outcome of late preterm infants was compared with a control group of full-term infants (39 0/7 to 40 6/7 weeks of gestation). Multiple gestations, pregnancies complicated by foetal malformations, maternal consumption of illicit drugs and infants with incomplete documentation were excluded. The results were corrected for gender imbalance. RESULTS Data from 530 late preterm and 1686 full-term infants were analysed. Compared with full-term infants, late preterm infants had a significant higher morbidity: respiratory distress (34.7% vs. 4.6%), hyperbilirubinaemia (47.7% vs. 3.4%), hypoglycaemia (14.3% vs. 0.6%), hypothermia (2.5% vs. 0.6%) and duration of hospitalization (mean, 9.9 days vs. 5.2 days). The risk to develop at least one complication was 7.6 (95% CI: 6.2-9.6) times higher among late preterm infants (70.8%) than among full-term infants (9.3%). CONCLUSION Singleton late preterm infants show considerably higher rate of medical complications and prolonged hospital stay compared with matched full-term infants and therefore need more medical and financial resources.
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Robertson E, Burns K, Bailey B, Adams M, Patel S. Outcomes Post PCI in the Elderly. Heart Lung Circ 2012. [DOI: 10.1016/j.hlc.2012.05.415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Abazov VM, Abbott B, Acharya BS, Adams M, Adams T, Alexeev GD, Alkhazov G, Alton A, Alverson G, Alves GA, 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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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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Romitti P, Puzhankara S, Zamba G, Nabukera S, James K, Andrews J, Fox D, Cunniff C, Ciafaloni E, Druschel C, Mathews K, Matthews D, Miller L, Pandya S, Au S, Scollon S, Adams M, Street N. P2-260 Population-based prevalence of Duchenne/Becker muscular dystrophy (DBMD) in the USA. Br J Soc Med 2011. [DOI: 10.1136/jech.2011.142976j.93] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Adams M, Wedderburn SD, Unmack PJ, Hammer MP, Johnson JB. Use of congeneric assessment to reveal the linked genetic histories of two threatened fishes in the Murray-Darling Basin, Australia. CONSERVATION BIOLOGY : THE JOURNAL OF THE SOCIETY FOR CONSERVATION BIOLOGY 2011; 25:767-776. [PMID: 21676026 DOI: 10.1111/j.1523-1739.2011.01692.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
The intensely regulated Murray-Darling Basin in southeastern Australia is the nation's most extensive and economically important river system, and it contains fragmented populations of numerous fish species. Among these is the Murray hardyhead (Craterocephalus fluviatilis), a species listed as endangered (International Union for Conservation of Nature Red List) in the mid-1990 s prior to its acute decline with the progression of a severe drought that began in 1997. We compared the genetic structure of Murray hardyhead with 4 congeneric species (Darling hardyhead[C. amniculus], Finke hardyhead[C. centralis], Lake Eyre hardyhead[C. eyresii], and unspecked hardyhead[C. stercusmuscarum]), selected on the basis of their taxonomic or biological similarity to Murray hardyhead, in order to affirm species boundaries and test for instances of introgressive hybridization, which may influence species ecology and conservation prospects. We used allozyme (52 loci) and mtDNA markers (1999 bp of ATPase and cytochrome b) to provide a comparative genetic assessment of 139 Murray hardyhead, which represented all extant and some recently extirpated populations, and 71 congeneric specimens from 12 populations. We confirmed that Murray hardyhead and Darling hardyhead are taxonomically distinct and identified a number of potential conservation units, defined with genetic criteria, in both species. We also found allozyme and mtDNA evidence of historic genetic exchange between these 2 allopatric species, apparently involving one population of each species at the geographic edge of the species' ranges, not in the most proximate populations sampled. Our results provide information on species boundaries and offer insight into the likely causes of high genetic diversity in certain populations, results which are already being used to guide national recovery planning and local action. Given the prevalence of incorrect taxonomies and introgression in many organismal groups, we believe these data point to the need to commence genetic investigations of any threatened species from an initially broad taxonomic focus.
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Fronza M, Murillo R, Ślusarczyk S, Adams M, Hamburger M, Heinzmann B, Laufer S, Merfort I. In vitro cytotoxic activity of abietane diterpenes from Peltodon longipes as well as Salvia miltiorrhiza and Salvia sahendica. Bioorg Med Chem 2011; 19:4876-81. [DOI: 10.1016/j.bmc.2011.06.067] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2011] [Revised: 06/22/2011] [Accepted: 06/24/2011] [Indexed: 11/26/2022]
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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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Pentkowski NS, Painter MR, Thiel KJ, Peartree NA, Cheung THC, Deviche P, Adams M, Alba J, Neisewander JL. Nicotine-induced plasma corticosterone is attenuated by social interactions in male and female adolescent rats. Pharmacol Biochem Behav 2011; 100:1-7. [PMID: 21782841 DOI: 10.1016/j.pbb.2011.07.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2011] [Revised: 06/28/2011] [Accepted: 07/07/2011] [Indexed: 01/08/2023]
Abstract
Most smokers begin smoking during adolescence, a period during which social reward is highly influential. Initial exposure to nicotine can produce anxiogenic effects that may be influenced by social context. This study examined play behavior and plasma corticosterone following nicotine administration (0.6 mg/kg, s.c.) in both male and female adolescent (PND39) Sprague-Dawley rats in either isolate or social contexts. In blood samples collected immediately following the 15-min test session, nicotine increased plasma corticosterone relative to saline in both male and female isolate rats, but failed to do so in both males and females placed together in same-sex pairs. Nicotine also attenuated several indices of play behavior including nape attacks, pins and social contact. In isolate rats, nicotine selectively increased locomotor activity in females; however, when administered to social pairs, nicotine decreased locomotion in both sexes. These findings suggest that the presence of a social partner may decrease the initial negative, stress-activating effects of nicotine, perhaps leading to increased nicotine reward.
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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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Ball M, Ahuja K, Green N, Adams M, Robertson I. 674 POTENTIAL BENEFITS OF CHILLI PEPPER IN A MEAL AND A CAPSULE. ATHEROSCLEROSIS SUPP 2011. [DOI: 10.1016/s1567-5688(11)70675-4] [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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McCabe K, Shobeiri N, Beseau D, Adams M, Holden R, Shobeiri N, Adams M, Holden R, Maio T, McCabe K, Laverty K, Beseau D, Pang J, Jozefacki A, Shobeiri N, Holden R, Adams M, Salem S, Jankowski V, Passlick-Deetjen J, Peter M, Zidek W, Jankowski J, Riser B, Barreto F, Valaitis P, Cook C, White J, Drueke T, Holmes C, Massy Z, Mizobuchi M, Ogata H, Kumata C, Nakazawa A, Koiwa F, Kinugasa E, Akizawa T, Lopez I, Aguilera-Tejero E, Guerrero F, Pineda C, Raya AI, Peralta A, Rodriguez M, Ciceri P, Volpi E, Brenna I, Brancaccio D, Cozzolino M, Bozic M, deRoij J, Parisi E, Ruiz-Ortega M, Fernandez E, Valdivielso JM, Lee CT, Ng HY, Tsai YC, Yang YK, Niwa T, Adijiang A, Shimizu H, Nishijima F, Okamoto T, Kamata K, Naito S, Aoyama T, Tazaki H, Yamanaka N, Koenigshausen E, Ohlsson S, Woznowski M, Quack I, Potthoff SA, Rump LC, Sellin L, Maquigussa E, Pereira L, Arnoni C, Boim M, Lee KW, Jeong JY, Jang WI, Chung S, Choi DE, Na KR, Shin YT, Slabiak-Blaz N, Adamczak M, Ritz E, Wiecek A, Uz E, Uz B, Sahin Balcik O, Kaya A, Akdeniz D, Bavbek Ruzgaresen N, Uz E, Turgut FH, Bayrak R, Carlioglu A, Akcay A, Galichon P, Vittoz N, Cornaire E, Baugey E, Vandermeersch S, Verpont MC, Mesnard L, Xu-Dubois YC, Hertig A, Rondeau E, Kokeny G, Fekeshazy O, Fang L, Rosivall L, Mozes MM, Duggan K, Hodge G, Ha H, Chen J, Lee L, Tay C, Macdonald G, Wang PHM, Tamouza H, Chemouny J, Monsinjon E, Tiwari M, Vende F, Vrtovsnik F, Camara NO, Benhamou M, Monteiro RC, Moura IC, Rigothier C, Saleem M, Ripoche J, Mathieson P, Combe C, Welsh G, Duwel A, Munoz-Felix JM, Lopez-Novoa JM, Martinez-Salgado C, Koutroutsos K, Kassimatis T, Nomikos A, Giannopoulou I, Papadakis J, Nakopoulou L, Nakamichi T, Mori T, Sato T, Sato H, Ito S, Neudecker S, Heilmann M, Kramer P, Wolf I, Sticht C, Schock-Kusch D, Gubhaju L, Kriz W, Bertram JF, Schad LR, Gretz N, Munoz-Felix JM, Fuentes-Calvo I, Lopez-Novoa JM, Martinez-Salgado C, Kimura T, Takabatake Y, Takahashi A, Kaimori JY, Matsui I, Namba T, Kitamura H, Niimura F, Matsusaka T, Soga T, Rakugi H, Isaka Y, Shin SJ, Kim KS, Kim WK, Rampanelli E, Teske G, Leemans J, Florquin S, Small D, Bennett N, Roy S, Gobe G, Blazquez-Medela AM, Garcia-Sanchez O, Lopez-Hernandez FJ, Lopez-Novoa JM, Martinez-Salgado C, Deibel A, Cheng J, Warner G, Knudsen B, Gray C, Lien K, Juskewitch J, Grande J, Wang N, Wang X, Zeng M, Sun B, Xing C, Zhao X, Xiong M, Yang J, Cao K, Priante G, Musacchio E, Sartori L, Valvason C, Baggio B, Pitlovanciv EDON, Reis LA, Pessoa EA, Teixeira L, Borges FT, Simoes MJ, Schor N, Munoz-Felix JM, Duwel A, Lopez-Novoa JM, Martinez-Salgado C, Doustar Y, Mohajeri D, Smirnov AV, Kucher AG, Ivanova GT, Berseneva ON, Parastaeva MM, Zarajsky MI, Saburova IJ, Kaukov IG, Koppe L, Fouque D, Dugenet Y, Soulage C, Wan J, Yang X, Cui J, Zou Z. Experimental pathology. Clin Kidney J 2011. [DOI: 10.1093/ndtplus/4.s2.52] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Duque G, Li W, Adams M, Xu S, Phipps R. Effects of risedronate on bone marrow adipocytes in postmenopausal women. Osteoporos Int 2011; 22:1547-53. [PMID: 20661545 DOI: 10.1007/s00198-010-1353-8] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2010] [Accepted: 06/14/2010] [Indexed: 10/19/2022]
Abstract
SUMMARY Aminobisphosphonates promote osteoblastogenesis while inhibiting adipogenesis in vitro. Their effect on adipogenesis in vivo remains unknown. In this study, we demonstrate that risedronate prevents marrow fat infiltration in postmenopausal women after 3 years of treatment. INTRODUCTION Age-related bone loss is associated with high levels of adipogenesis within the bone marrow at the expense of osteoblast population. Bisphosphonates stimulate osteoblastogenesis while inhibiting adipogenesis in vitro. In the present study, we tested whether the effect of bisphosphonates on marrow adipogenesis in vitro is also seen in vivo. METHODS We analyzed transiliac bone biopsies from a randomized, placebo-controlled clinical trial that evaluated the effects of risedronate treatment 5 mg/day on vertebral and non-vertebral fractures in women with postmenopausal osteoporosis. Paired bone biopsies were obtained from a subset of patients at baseline and after treatment with placebo or risedronate for 3 years (n = 14 per group). Biopsies were stained with toluidine blue and hematoxylin/eosin. Adipocyte volume/tissue volume (AV/TV), mean adipocyte number (AD(#)), and mean adipocyte diameter (AD(diam)) were quantified. Finally, expression levels of the adipogenesis transcription factor peroxisome proliferator activator gamma 2 (PPARγ2) within the bone marrow were quantified using immunohistochemistry. RESULTS In the placebo group, AV/TV, AD(#), and AD(diam) significantly increased after 3 years (~15%, p < 0.01). In contrast, AD(diam) remained unchanged and AV/TV and AD(#) were significantly reduced (~20%) in the risedronate group at 3 years (p < 0.01). These changes were associated with a significant reduction in PPARγ2 expression in the bone marrow of risedronate-treated women. CONCLUSIONS Risedronate reduces bone marrow fat in postmenopausal women. These findings are the first demonstration of an effect of bisphosphonates on marrow fat in humans in vivo. By regulating the amount of fat within the bone marrow, this effect may contribute to the beneficial effect of bisphosphonates on bone mass.
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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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Santos-Francés F, García-Sánchez A, Alonso-Rojo P, Contreras F, Adams M. Distribution and mobility of mercury in soils of a gold mining region, Cuyuni river basin, Venezuela. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2011; 92:1268-1276. [PMID: 21215510 DOI: 10.1016/j.jenvman.2010.12.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2010] [Revised: 11/23/2010] [Accepted: 12/12/2010] [Indexed: 05/30/2023]
Abstract
An extensive and remote gold mining region located in the East of Venezuela has been studied with the aim of assessing the distribution and mobility of mercury in soil and the level of Hg pollution at artisanal gold mining sites. To do so, soils and pond sediments were sampled at sites not subject to anthropological influence, as well as in areas affected by gold mining activities. Total Hg in regionally distributed soils ranged between 0.02 mg kg(-1) and 0.40 mg kg(-1), with a median value of 0.11 mg kg(-1), which is slightly higher than soil Hg worldwide, possibly indicating long-term atmospheric input or more recent local atmospheric input, in addition to minor lithogenic sources. A reference Hg concentration of 0.33 mg kg(-1) is proposed for the detection of mining affected soils in this region. Critical total Hg concentrations were found in the surrounding soils of pollutant sources, such as milling-amalgamation sites, where soil Hg contents ranged from 0.16 mg kg(-1) to 542 mg kg(-1) with an average of 26.89 mg kg(-1), which also showed high levels of elemental Hg, but quite low soluble+exchangeable Hg fraction (0.02-4.90 mg kg(-1)), suggesting low Hg soil mobility and bioavailability, as confirmed by soil column leaching tests. The vertical distribution of Hg through the soil profiles, as well as variations in soil Hg contents with distance from the pollution source, and Hg in pond mining sediments were also analysed.
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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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