Measurement of sin2θeff and Z-light quark couplings using the forward-backward charge asymmetry in pp̄→Z/γ *→e+e- events with L=5.0fb -1 at √s=1.96TeV
VM M. Abazov,Brad K. Abbott,Bobby Samir Acharya,M. R. Adams,Todd Adams,G. D. Alexeev,G. D. Alkhazov,Anrew Alton,George O. Alverson,Gelio A. Alves, L. S. Ancu,Masahiko Aoki,Mikhail Arov, A. Askew,B. Å Åsman,O. V. Atramentov,C. Ávila,J. BackusMayes,Frédérique Badaud,L. Bagby,Boris Yu Baldin,Dmitry V. Bandurin,Sw W. Banerjee,Emanuela Barbëris,Philip S. Baringer,J. L. Barreto,J. F. Bartlett,Ursula Bassler,Víctor E. Bazterra,S. Beale,Alice Bean,Márcia Begalli,Michael Begel,Camille Bèlanger-Champagne,Leo Bellantoni,Suman B. Beri,Gregorio Bernardi,Ralf P. Bernhard,Iain A. Bertram,Marc Besançon,R. Beuselinck,V. A. Bezzubov,Priya C. Bhat,V. Bhatnagar,Gerald C. Blazey,Susan K. Blessing,Kenneth Bloom,Amber Boehnlein,Daniel Boline,Ernst E. Boos,Guennadi Borissov,Tulika Bose,Achi E. Brandt, O. Brandt,Raymond J. Brock,Gustaaf Brooijmans,Alan D. Bross,David N. Brown,James A. Brown,X. B. Bu,Marc Buehler,V. Buescher,Viacheslav E. Bunichev,Sergey Burdin,TH Burnett,Claus P. Buszello,B. Calpas,Enrique Camacho-Pérez,M. A. Carrasco-Lizarraga,Brendan C K Casey,H. Castilla-Valdez,Subhendu K. Chakrabarti,Dhiman Chakraborty,Kai M A Chan,Avdhesh Chandra,Guomeng Chen,S. Chevalier-Théry,D. K. Cho,S. W. Cho,Seungryul Choi,Brajesh Chandra Choudhary,Selçuk Cihangir,Dan R. Claes,J. Clutter,Michael Cooke,W. E. Cooper,Marjorie D. Corcoran,F. Couderc,M. C. Cousinou,A. Croc,David Ćutts,Aron C. Das,Gavin J. Davies,Kaushik De,Sijbrand J. De Jong,Eduard De La De La Cruz-Burelo,Frédéric Déliot,Marcel Demarteau,Regina F. Démina,D. S. Denisov,Sergey P. Denisov,Satish V. Desai,C. Deterre,Kayle DeVaughan,H. Thomas Diehl, M. Diesburg,Aaron Domínguez, T. Dorland,Anand Kumar Dubey, L. V. Dudko,Daniel Duggan,Arnaud Duperrin,S. Dutt,Alexander S. Dyshkant,Michael Eads,Daniel L. Edmunds,John A. Ellison,V. Daniel Elvira,Yuji Enari,Harold G. Evans,A. V. Evdokimov,V. N. Evdokimov,Gabriel J. Facini, T. Ferbel,Frank Fiedler,Frank Filthaut,Wade C. Fisher,H. Eugene Fisk, Michael R. Fortner,Howard S. Fox,Stuart Fuess,Arán García-Bellido,V. B. Gavrilov,Pascal Gay,Weihua Geng, D. Gerbaudo,Cecilia E. Gerber,Yu S. Gershtein,G. Ginther,Georgy A. Golovanov,A. G. Goussiou,Paul D. Grannis,S. Greder,Herbert B. Greenlee,Zeno Dixon Greenwood,E. De Moraes Gregores,Gérald J. Grenier,Ph L Y Gris,Jean François Grivaz,Alexander Grohsjean,Stefan Grünendahl,Martin W. Grünewald,Thibault Guillemin,Fanglu Guo,Gaston Gutiérrez,Phillip Gutierrez,Andrew Haas,Stephanie L. Hagopian,Joy E. Haley,Liang Han,Kristian U. Harder,Amnon Harel,John M. Hauptman,Jonathan Hays,Timothy L. Head, Thomas Hebbeker,David Hedin,H. Hegab,Ann P. Heinson,Ulrich Heintz,Carsten Hensel,I. Heredia De La Heredia De La Cruz,Ken R. Herner,G. G. Hesketh,Mike D. Hildreth,Robert J. Hirosky,T. Hoang,John D. Hobbs,B. Hoeneisen,Marc Hohlfeld,Zdenek Hubacek,N. K. Huske, V. Hynek, I. Iashvili,Robert Illingworth,A. S. Ito,Shabnam Jabeen,Marc Olivier Jaffré,D. O. Jamin,A. Jayasinghe,Rick Jesik,Ken A. Johns,Marvin E. Johnson,David T. Johnston,A. M. Jonckheere,Per M. Jönsson,Jyoti Joshi,Andreas W. Jung,Aurelio Juste, K. Kaadze,Eric Kajfasz,D. E. Karmanov,Peter A. Kasper,I. Katsanos,Robert L. Kehoe,S. Kermiche,Norik S. Khalatyan,Alexandre I. Khanov,Avto I. Kharchilava,Yu N. Kharzheev,D. Khatidze,Michael H. Kirby, J. M. Kohli,A. V. Kozelov,James A. Kraus,S. A. Kulikov,Arun K Rhine Kumar,Alexander Kupčo,Tibor Kurča,Vadim A. Kuzmin,Jiří Kvita,S. Lammers,Greg L. Landsberg,Paul L G Lebrun,H. S. Lee,Sungwon Lee,William Lee,J. Lellouch, Lei Li,Qizhong Li,S. M. Lietti,J. K. Lim,Don W. Lincoln,James T. Linnemann,V. V. Lipaev,Ronald J. Lipton,Yang Liu,Zhen Liu,A. A. Lobodenko,Miloš V. Lokajíček,R. Lopes De Sa, H. J. Lubatti,René Luna Luna-García,Adam L. Lyon,Arthur K A MacIel,Dennis Mackin,R. Madar,R. Magaña Villalba,Sudhir K R Malik, V. L. Malyshev,Yurii Y. Maravin,J. Martínez-Ortega,Robert L. McCarthy,C. L. McGivern,M. M. Meijer,Alex Melnitchouk,Débora Peres Menezes,Pedro G. Mercadante,M. M. Merkin,Arnd B. Meyer,Jörg P. Meyer,F. Miconi,Naba Kumar Mondal,G. S. Muanza,M. J. Mulhearn,Elemér Nagy,Md D. Naimuddin,Meenakshi Narain,Ruchika Nayyar,Homer A. Neal,J. P. Negret,P. Neustroev, S. F. Novaes,Thomas Nunnemann,G. Z. Obrant,Jesus Orduna,N. Osman,J. Osta,G. J O Otero Y Garzón,M. Padilla,Amit Kumar Pal,Neeti D. Parashar,Vivek Parihar,Sungkeun Park,John A. Parsons,Richard A. Partridge,Nirmalya Parua,Amit N. Patwa,B. Penning,M. A. Perfilov,Klaus J. Peters,Yvonne Peters,Konstantinos A. Petridis,Gianluca Petrillo,Pierre Pétroff, R. Piegaia,J. Piper,Marc André Pleier,P. Podesta M Podesta Podesta-Lerma,Vladimir M. Podstavkov,P. A. Polozov,A. V. Popov,M. Prewitt,Darren D. Price,N. N. Prokopenko,Serban D. Protopopescu,Jun Qian,Arnulf Quadt,Breese Quinn,Murilo S. Rangel,Kirti Ranjan,Peter N. Ratoff,I. Razumov,Peter Renkel,Michael Rijssenbeek,Isabelle Ripp-Baudot, F. K. Rizatdinova,Mandy Rominsky,Anthony Joseph Ross,Christophe R. Royon, P. Rubinov,Randal C. Ruchti,Gennady A. Safronov,Ǵerard Sajot,P. Salcido,Alberto Sánchez-Hernández,Marijn P A Sanders,B. Sanghi,Amélia Severino Ferreira E Santos,G. Paul Savage,Lee Sawyer,Tim Scanlon,R. Dean Schamberger,Yu A. Scheglov,Heidi M. Schellman,Thorsten Schliephake,S. Schlobohm,Christian Schwanenberger,Reinhard Schwienhorst,Jadranka Sekaric,Horst Severini,Elizaveta K. Shabalina,Viatcheslav V. Shary,Andrey A. Shchukin,Rajiv K. Shivpuri,Vladislav Šimák,Vladimir I. Sirotenko,Patrick L. Skubic,P. F. Slattery,Dmitry V. Smirnov,K. J. Smith,Gregory R. Snow,James M. Snow,Scott S. Snyder,Stefan A. Söldner-Rembold,Lars Sonnenschein,Karel Soustružník,Jan Stark,V. L. Stolin,Dina A. Stoyanova,M. G. Strauss,David M. Strom,Linda Stutte,Larry J. Suter,Peter Svoisky,M. Takahashi,Andrs Jorge Tanasijczuk,Wendy M. Taylor,Maxim Titov,V. V. Tokmenin,Y. T. Tsai,Dmitri Tsybychev,Boris Tuchming,Christopher G. Tully,L. N. Uvarov,S. Uvarov,S. A. Uzunyan,Richard J. Van Kooten,W. M. Van Leeuwen,Nikos Varelas,Erich W. Varnes,I. A. Vasilyev,Patrice Verdier,L. S. Vertogradov,Marco Verzocchi,Mika Vesterinen,D. Vilanova, P. Vokac,Heinrich D. Wahl,Michael Wang, J. Warchol,Gordon Watts,Mitchell R. Wayne,Marc S. Weber,L. Welty-Rieger,Andrew P. White,Daniel Wicke,Mark R J Williams,Graham W. Wilson,Markus Wobisch, D. R. Wood,T. R. Wyatt,Yangchun Xie,C. Xu,Sahal Yacoob,Ryuji Yamada,Wanching Yang,Takahiro Yasuda,Yu A. Yatsunenko,Zuxin Ye,Hao Yin,Kin Yip,S. W. Youn,Jaehoon Yu,S. Zelitch,Tianchi Zhao,Bing Zhou,Jian Zhu,Marek Zieliński,Daria Ziemińska,Lidia Živković
PHYSICAL REVIEW D（2011）
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摘要
We measure the mass dependence of the forward-backward charge asymmetry in 157 553 p (p) over bar -> Z/gamma* -> e(+)e(-) interactions, corresponding to 5.0 fb(-1) of integrated luminosity collected by the D0 experiment at the Fermilab Tevatron Collider at root s = 1.96 TeV. The effective weak mixing angle (theta(l)(eff)) from this process involving predominantly the first generation of quarks is extracted as sin(2)theta(l)(eff) = 0.2309 +/- 0.0008(stat.) +/- 0: 0006(syst.). We also present the most precise direct measurement of the vector and axial-vector couplings of u and d quarks to the Z boson.
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