Limits on anomalous WWγ and WWZ couplings from WW/WZ→e vjj production

Brad K. Abbott,Maris A. Abolins,V. V. Abramov,Bobby Samir Acharya,D. L. Adams,M. R. Adams,Sangun Ahn,V. A. Akimov,Gelio A. Alves,Nissim A. Amos,Eknest W. Anderson,Marc M. Baarmand,V. V. Babintsev,Levan R. Babukhadia,Andrew R. Baden,Boris Yu Baldin,Sw W. Banerjee,J. Bantly,Emanuela Barbëris,Philip S. Baringer,J. F. Bartlett,Ursula Bassler,Alexander V. Belyaev,Suman B. Beri,Gregorio Bernardi,Iain A. Bertram,V. A. Bezzubov,Priya C. Bhat,V. Bhatnagar,Mrinmoy Bhattacharjee,Gerald C. Blazey,Susan K. Blessing,Amber Boehnlein,N. I. Bojko,Fred O. Borcherding,Achi E. Brandt,Richard E. Breedon,G. Briskin,Raymond J. Brock,Gustaaf Brooijmans,A. Brass,Donald Bruce Buchholz,V. Buescher,V. S. Burtovoi,John M. Butler,Washington R. Carvalho,D. Casey,Z. Casilum,H. Castilla-Valdez,Dhiman Chakraborty,Kai M A Chan, S. V. Chekulaev,L. P. Chen,W. Chen,D. K. Cho,Soojeong Choi,Sonalee Chopra,Brajesh Chandra Choudhary,J. H. Christenson,Manho Chung,Dan R. Claes,Alan R. Clark,W. G. Cobau,James Cochran,Linda R. Coney,Brian M. Connolly,W. E. Cooper,D. Coppage,D. Cullen-Vidal,Mary Anne Clare Cummings,David Ćutts,Orin I. Dahl,Kevin L. Davis,Kaushik De,K. W. Del Signore,Marcel Demarteau,D. S. Denisov,Sergey P. Denisov,H. Thomas Diehl, M. Diesburg,G. di Loreto,Paul A. Draper,Yves Ducros, L. V. Dudko,Shashikant R. Dugad,Alexander S. Dyshkant,Daniel L. Edmunds,John A. Ellison,V. Daniel Elvira,R. J. Engelmann,Sarah C. Eno,G. Eppley,P. F. Ermolov.,O. V. Eroshin,Juan Cruz Estrada,Harold G. Evans,V. N. Evdokimov,T. Fahland,Sándor Fehér,David K. Fein, T. Ferbel,H. Eugene Fisk,Yu V. Fisyak,Eric Flattum,Frédéric Fleuret,Michael R. Fortner,K. C. Frame,Stuart Fuess,Elizabeth J. Gallas,A. N. Galyaev,P. Gartung,V. B. Gavrilov,Richard J. Genik,Krzysztof Genser,Cecilia E. Gerber,Yu S. Gershtein,Bruce G. Gibbard,Russell Gilmartin,G. Ginther,Barbara Gobbi,B. Gómez,Gervasio Gómez,P. I. Goncharov,J. L. González Solís,Howard A. Gordon,L. T. Goss,Krishnaswamy N. Gounder,A. G. Goussiou,Norman A. Graf,Paul D. Grannis,Daniel R. Green,J. A. Green,Herbert B. Greenlee,Sebastian L Y Grinstein,Peter M. Grudberg,Stefan Grünendahl,Gerald M. Guglielmo,Ambreesh K. Gupta,S. N. Gurzhiev,Gaston Gutiérrez,Phillip Gutierrez,NJ J. Hadley,Herman Haggerty,Stephanie L. Hagopian,Vasken Hagopian, K. S. Hahn,Raymond E. Hall,Pierrick M. Hanlet,Sten B. Hansen,John M. Hauptman,Christopher P. Hays,C. J D Hébert,David Hedin,Ann P. Heinson,Ulrich Heintz,T. Heuring,Robert J. Hirosky,John D. Hobbs,B. Hoeneisen,Jan S. Hoftun,F. Hsieh,A. S. Ito,S. A. Jerger,Rick Jesik,T. Joffe-Minor,Ken A. Johns,Marvin E. Johnson,A. M. Jonckheere,Michael D. Jones,Hans Jöstlein,Soonyung Jun,Stephen Alan Kahn,Eric Kajfasz,D. E. Karmanov,Daniel J. Karmgard,Robert L. Kehoe,Sunkee Kim,Boaz Klima,C. Klopfenstein,Bruce Knuteson,Winston Ko, J. M. Kohli,David Stanley Koltick,A. V. Kostritskiy,J. Kotcher,Ashutosh V. Kotwal,A. V. Kozelov,E. A. Kozlovsky,John Krane,M. R. Krishnaswamy,S. Krzywdzinski,M. A. Kubantsev,Sergey V. Kuleshov,Yu O. Kulik, S. Kunori,Greg L. Landsberg,Alexander K. Leflat,Frank Lehner,Jia Li,Qizhong Li,J. G R Lima,Don W. Lincoln,Stephan L. Linn,James T. Linnemann,Ronald J. Lipton,JunGuang Lü,Arnaud Lucotte,Lee H. Lueking,C. N. Lundstedt,Arthur K A MacIel,Ronald J. Madaras,V. M. Manankov,Seethambal S. Mani,Huishun Mao,Richard Markeloff,Thomas R. Marshall,Manuel I. Martin,Ryan D. Martin,Kristal M. Mauritz,B. May,A. A. Mayorov,Robert L. McCarthy,Jeffrey E R McDonald,T. McKibben,TJ J. McMahon,H. L. Melanson,M. M. Merkin,K. W B Merritt,Chyichiang Miao,Hannu E. Miettinen,A. I. Mincer,C. Shekhar Mishra,Nikolai V. Mokhov,Naba Kumar Mondal, H. E. Montgomery,Miguel A. Mostafá,H. Da Motta,Elemér Nagy,F. Nang,Meenakshi Narain,V. S. Narasimham,Homer A. Neal,J. P. Negret,S. Negroni,D. J P Norman,L. H. Oesch, V. Oguri,Bob Olivier,N. Oshima,Daniel P. Owen,Paul Padley,Adam Para,Neeti D. Parashar,Richard A. Partridge,Nirmalya Parua,M. Paterno,Amit N. Patwa,B. Pawlik,J. Perkins,Michael W. Peters, R. Piegaia,Henryk Piekarz,Yu M. Pischalnikov,B. G. Pope,E. V. Popkov,Harrison Bertrand Prosper,Serban D. Protopopescu,Jun Qian,P. Z. Quintas,Rajendran Raja,Sudhir Rajagopalan,Neville W. Reay,Stephen Reucroft,Michael Rijssenbeek,T. Rockwell,Maria Teresa P Roco, P. Rubinov,Randal C. Ruchti,John P. Rutherfoord,Alberto Sánchez-Hernández,Alberto F S Santoro,Lee Sawyer,R. Dean Schamberger,Heidi M. Schellman,Ariel R. Schwartzman,J. Sculli,Niladri Sen,Elizaveta K. Shabalina,H. C. Shankar,Rajiv K. Shivpuri,Dennis V. Shpakov,Michael A. Shupe,Ronald A. Sidwell,Harmeet Singh,Jaivir B. Singh,Vladimir I. Sirotenko,P. F. Slattery,Eric H. Smith,Richard P. Smith,R. Snihur,Gregory R. Snow,James M. Snow,Scott S. Snyder,Julius Solomon,Xiaofei Song,Valery Sorïn,Mark Sosebee,N. A. Sotnikova,M. H G Souza,Noel R. Stanton,Georg Steinbrück,Robert W. Stephens,M. Lynn Stevenson,Frédéric Stichelbaut,David P. Stoker,V. L. Stolin,Dina A. Stoyanova,M. G. Strauss,K. Streets,Mark Strovink,Linda Stutte,Andre A. Sznajder,J. Tarazi,Michael A. Tartaglia,Tina L T Thomas,J. M. Thompson,David Toback,Thomas G. Trippe,André S. Turcot,P. Michael Tuts,Peter Van Gemmeren,V. S. Vaniev,Nikos Varelas,A. A. Volkov,A. P. Vorobiev,Heinrich D. Wahl, J. Warchol,Gordon Watts,Mitchell R. Wayne,Hendrik Weerts,Andrew P. White,James T. White,J. A. Wightman,Suzanne E. Willis,Stephen J. Wimpenny,J. V D Wirjawan,John Womersley, D. R. Wood,Ryuji Yamada,Peter Yamin,Takahiro Yasuda,Kin Yip,Saul P. Youssef,Jaehoon Yu,YoungJun Yu,M. E. Zanabria,H. W. Zheng,Zhaoqun Zhou,Z. H. Zhu,Marek Zieliński,Daria Ziemińska,Andrzej Ziemiński, V. Zutshi,E. G. Zverev,Armand Zylberstejn

Physical Review D - Particles, Fields, Gravitation and Cosmology（2000）

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摘要

Limits on anomalous WWγ and WWZ couplings are presented from a study of WW/WZ→e vjj events produced in pp̄ collisions at √s=1.8 TeV. Results from the analysis of data collected using the DØ detector during the 1993-1995 Tevatron collider run at Fermilab are combined with those of an earlier study from the 1992-1993 run. A fit to the transverse momentum spectrum of the W boson yields direct limits on anomalous WWγ and WWZ couplings. With the assumption that the WWγ and WWZ couplings are equal, we obtain -0.34<λ<0.36 (with Δκ=0) and -0.43<Δκ<0.59 (with λ=0) at the 95% confidence level for a form-factor scale Λ=2.0 TeV. ©2000 The American Physical Society.

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