Measurement of the Effective Weak Mixing Angle in Pp¯→z/γ*→ℓ+ℓ<…

V. M. Abazov,B. Abbott,B. S. Acharya,Mark Raymond Adams,T. Adams,J. P. Agnew,G. D. Alexeev, G. Alkhazov,A. Alton,Andrew Askew, S. Atkins,K. Augsten,V. Aushev,Y. Aushev,Carlos Ávila,F. Badaud,L. Bagby,B. Baldin,D. V. Bandurin,Sw. Banerjee,Emanuela Barberis,P. Baringer, J. F. Bartlett,U. Bassler,V. E. Bazterra,A. Bean,Márcia Begalli,L. Bellantoni,Suman Bala Beri,Gregorio Bernardi,R. Bernhard,I. Bertram,Marc Besançon,R. Beuselinck,Pushpalatha C Bhat, S. Bhatia,Vipin Bhatnagar,G. Blazey,S. Blessing,K. Bloom,A. Boehnlein,D. Boline,E. Boos,G. Borissov,M. Borysova,A. Brandt,Oleg Brandt,M. Brochmann,R. Brock, A. Bross,D. N. Brown,X. B. Bu,M. Buehler,Volker Buescher,V. Bunichev,S. Burdin, C. P. Buszello, E. Camacho-Pérez,B. C. K. Casey, Heriberto Castilla-Valdez,S. Caughron,S. Chakrabarti,K. M. Chan,A. Chandra,Émilien Chapon,G. Chen,S. W. Cho,Suyong Choi,B. C. Choudhary,S. Cihangir,Daniel R Claes,J. Clutter,M. Cooke,W. E. Cooper,M. Corcoran,Fabrice Couderc,M.-C. Cousinou,Jakub Cúth,D. Cutts,Ashok Das,G. Davies,Sijbrand J. de Jong,E. De La Cruz–Burelo,Frédéric Déliot,R. Demina,D. Denisov,S. P. Denisov,S. Desai,C. Deterre,K. DeVaughan,H. T. Diehl,M. Diesburg,P. F. Ding,A. Dominguez,A. Drutskoy,A. Dubey,Lev Dudko,Arnaud Duperrin,Suneel Dutt, M. Eads, D. Edmunds, J. Ellison, V. D. Elvira, Y. Enari, H. Evans, A. Evdokimov, V. N. Evdokimov, Alexandre Fauré,Feng Liu, T. Ferbel, F. Fiedler, F. Filthaut, W. Fisher, H. E. Fisk, M. Fortner, H. Fox, J. Franc, S. Fuess, P. H. Garbincius,Arán García-Bellido, J. A. García-González, V. Gavrilov, W. Geng,Cecilia Elena Gerber, Yuri Gershtein, G. Ginther, O. Gogota, G. Golovanov, P. D. Grannis, S. Greder, H. Greenlee, G. Grenier, Ph. Gris, J.-F. Grivaz,Alexander Grohsjean, Stefan Grünendahl,Martin Grünewald,Thibault Guillemin,Guillermo Reales Gutiérrez, P. Gutiérrez, Joseph Haley,Liangliang Han, Kristian Harder, A. Harel, J. M. Hauptman, J. Hays, T. Head, Thomas Hebbeker, D. Hedin, H. Hegab, A. P. Heinson,Ulrich Heintz,Carsten Hensel, Ivan Heredia-de la Cruz, K. Herner,Gavin Grant Hesketh,Michael Hildreth,Robert Hirosky, T. Hoang, J. Hobbs, B. Hoeneisen, Julie Managan Hogan, M. Hohlfeld, J. L. Holzbauer, I. Howley, Z. Hubáček, V. Hynek,Ia Iashvili, Y. Ilchenko, R. Illingworth, A. S. Ito, S. Jabeen, M. Jaffré, A. Jayasinghe, M. S. Jeong, R. Jesik, Peng Jiang, Kenneth Johns, E. Johnson, Marvin Johnson, A. Jonckheere, P. Jönsson, J. Joshi, Andreas Werner Jung, A. Juste, E. Kajfasz, D. Karmanov, I. Katsanos,Manjit Kaur, R. Kehoe, S. Kermiche, N. Khalatyan, A. Khanov,Avto Kharchilava, Y. N. Kharzheev, I. Kiselevich, J. M. Kohli, A. V. Kozelov, J. Kraus, Ashok Kumar, A. Kupčo, T. Kurča, V. A. Kuzmin, S. Lammers, P. Lebrun,H. S. Lee, S. W. Lee, W. M. Lee, X. Lei, J. Lellouch, D. Li, H. Li, L. Li, Q. Z. Li, J. K. Lim,Don Lincoln, J. Linnemann, V. V. Lipaev, R. Lipton, H. Liu, Y. Liu, A. Lobodenko, M. Lokajı́ček,R. Lopes de, R. Luna-García, A. L. Lyon, A. K. A. Maciel,Romain Madar, R. Magaña-Villalba,Salman Khurshid Malik, V. L. Malyshev,Jason Dhia Mansour, J. Martínez-Ortega, R. McCarthy, C. L. McGivern, M. M. Meijer, A. Melnitchouk, D. Menezes,Pedro G Mercadante, M. Merkin, Arnd Meyer, J. Meyer, F. Miconi, N. K. Mondal, Michael Mulhearn, E. Nagy, M. Narain, R. Nayyar, H. A. Neal, J. P. Negret, P. Neustroev, H. Nguyen, T. Nunnemann, J. Orduna, N. Osman, A. Pal,Neeti Parashar, V. Parihar, S. K. Park, R. Partridge, N. Parua, A. Patwa, B. Penning, M. Perfilov, Y. Peters, K. Petridis, G. Petrillo,Pierre Pétroff, M.-A. Pleier, V. M. Podstavkov, A. Popov, M. Prewitt,Darren Price, N. Prokopenko, J. Qian, A. Quadt, B. Quinn, P.N. Ratoff, I. Razumov, I. Ripp-Baudot, F. Rizatdinova, M. Rominsky, A. Ross,Christophe Royon, P. Rubinov, Randy Ruchti, G. Sajot, A. Sánchez-Hernández, M. P. Sanders, A. S. Santos, G. Savage, Mykola Savitskyi,Lee Sawyer, Timothy Paul Scanlon, R. D. Schamberger, Y. Scheglov, H. Schellman, Matthias Schott, C. Schwanenberger, R. Schwienhorst, J. Sekaric, H. Severini,Elizaveta Shabalina, V. Shary, S. Shaw, A. A. Shchukin,O. Shkola, V. Ŝimák, P. Skubic, P. Slattery, Gregory R Snow, J. Snow, S. Snyder, S. Söldner‐Rembold, L. Sonnenschein, K. Soustružnı́k, J. Stark,Nazar Stefaniuk, D. A. Stoyanova, M. Strauss, L. Suter, P. Svoisky, M. Titov, V. V. Tokmenin, Y.-T. Tsai, D. Tsybychev, B. Tuchming, C. Tully, Lev Uvarov, S. Uvarov, S. Uzunyan,R. Van Kooten, W. M. van Leeuwen,Nikos Varelas, E. W. Varnes, I. A. Vasilyev, A. Y. Verkheev, L. S. Vertogradov, M. Verzocchi, M. Vesterinen, D. Vilanova, P. Vokac, H. D. Wahl, C. Wang, M. H. L. S. Wang, J. Warchol, G. Watts, M. Wayne, J. Weichert, L. Welty-Rieger, Michael Williams,Graham Wilson,Markus Wobisch, Darien Wood,Terry Richard Wyatt, Yifan Xiang, Y. Xie, R. Yamada,Siqi Yang, T. Yasuda, Y. A. Yatsunenko, W. Ye, Z. Ye,Hang Yin, K. Yip, S. W. Youn, J. Yu, J. Zennamo, T. Zhao, B. Zhou, J. Zhu, M. Zieliński, D. Ziemińska, Lidija Živković

Physical review letters(2018)

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摘要
We present a measurement of the effective weak mixing angle parameter sin^{2}θ_{eff}^{ℓ} in pp[over ¯]→Z/γ^{*}→μ^{+}μ^{-} events at a center-of-mass energy of 1.96 TeV, collected by the D0 detector at the Fermilab Tevatron Collider and corresponding to 8.6 fb^{-1} of integrated luminosity. The measured value of sin^{2}θ_{eff}^{ℓ}[μμ]=0.23016±0.00064 is further combined with the result from the D0 measurement in pp[over ¯]→Z/γ^{*}→e^{+}e^{-} events, resulting in sin^{2}θ_{eff}^{ℓ}[comb]=0.23095±0.00040. This combined result is the most precise measurement from a single experiment at a hadron collider and is the most precise determination using the coupling of the Z/γ^{*} to light quarks.
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