Measurement of the top quark pair production cross section in p p? collisions
S. Abachi,Brad K. Abbott,Maris A. Abolins,Bobby Samir Acharya,I. Adam,D. L. Adams,M. R. Adams,Sangun Ahn,Hiroaki Aihara,Gelio A. Alves,E. Amidi,Nissim A. Amos,Eknest W. Anderson,Richard V. Astur,Marc M. Baarmand,Andrew R. Baden,V. Balamurali,J. Balderston,Boris Yu Baldin,Sw W. Banerjee,J. Bantly,J. F. Bartlett,K. Bazizi,Alexander V. Belyaev,Suman B. Beri,Iain A. Bertram,V. A. Bezzubov,Priya C. Bhat,V. Bhatnagar,Mrinmoy Bhattacharjee,Nripendra N. Biswas,Gerald C. Blazey,Susan K. Blessing,P. C. Bloom,Amber Boehnlein,N. I. Bojko,Fred O. Borcherding,J. Borders,Chris Boswell,Achi E. Brandt,Raymond J. Brock,Alan D. Bross,Donald Bruce Buchholz,V. S. Burtovoi,John M. Butler,Washington R. Carvalho,D. Casey,Z. Casilum,H. Castilla-Valdez,Dhiman Chakraborty,Spencer Chang,S. V. Chekulaev,L. P. Chen,W. Chen,Seonho Choi,Sonalee Chopra,Brajesh Chandra Choudhary,J. H. Christenson,Manho Chung,Dan R. Claes,Alan R. Clark,W. G. Cobau,James Cochran,W. E. Cooper,C. Cretsinger,D. Cullen-Vidal,M. A C Cumings,David ?utts,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,J. D. Drinkard,Yves Ducros,L. V. Dudko,Shashikant R. Dugad,Daniel L. Edmunds,John A. Ellison,V. Daniel Elvira, Engelmann,Sarah C. Eno,G. Eppley,P. F. Ermolov.,O. V. Eroshin,V. N. Evdokimov,T. Fahland,M. Fatyga,M. K. Fatyga,J. Featherly,S��ndor Feh��r,David K. Fein, T. Ferbel,Guido Finocchiaro,H. Eugene Fisk,Yu V. Fisyak,Eric Flattum,G. E. Forden, Michael R. Fortner,K. C. Frame,Stuart Fuess,Elizabeth J. Gallas,A. N. Galyaev,P. Gartung,T. L. Geld, Genik,Krzysztof Genser,Cecilia E. Gerber,Bruce G. Gibbard,S. Glenn,Barbara Gobbi,M. Goforth,Azriel Goldschmidt,B. G��mez,Gervasio G��mez,P. I. Goncharov,J. L. Gonz��lez Sol��s,Howard A. Gordon,L. T. Goss,A. G. Goussiou,Norman A. Graf,Paul D. Grannis,Daniel R. Green,J. Green,Herbert B. Greenlee,G. R. Grim,Sebastian L Y Grinstein,Nancy Ya Grossman,Peter M. Grudberg,Stefan Gr��nendahl,Gerald M. Guglielmo,Joan A. Guida,Jan M. Guida,Ambreesh K. Gupta,S. N. Gurzhiev,Phillip Gutierrez,Y. E. Gutnokov,NJ J. Hadley,Herman Haggerty,Stephanie L. Hagopian,Vasken Hagopian,K. S. Hahn,Raymond E. Hall,Sten B. Hansen,John M. Hauptman,David Hedin,Ann P. Heinson,Ulrich Heintz,R. R. Hern��ndez-Montoya,T. Heuring,Robert J. Hirosky,John D. Hobbs,B. Hoeneisen,Jan S. Hoftun,F. Hsieh,Hu Ting,Hu Tong,T. Huehn, A. S. Ito,Eric James,J. Jaques, S. A. Jerger,Rick Jesik, Jiang,T. Joffe-Minor,Ken A. Johns,Marvin E. Johnson,A. M. Jonckheere,Michael D. Jones,Hans J?stlein,Soonyung Jun,Changkee Jung,Stephen Alan Kahn,George R. Kalbfleisch,JooSang Kang,R. Keohoe,M. L. Kelly,C. L. Kim,Sunkee Kim,A. Klatchko,Boaz Klima,C. Klopfenstein,Vyacheslav I. Klyukhin,V. I. Kochetkov, J. M. Kohli,David Stanley Koltick,A. V. Kostritskiy,J. Kotcher,Ashutosh V. Kotwal,J. Kourlas,A. V. Kozelov,E. A. Kozlovski,John Krane,M. R. Krishnaswamy,S. Krzywdzinski, S. Kunori,Stefano Lami,Huibin Lan,Richard L. Lander,F. Landry,Greg L. Landsberg,Bruce M. Lauer,Alexander K. Leflat,Hongwei Li,Jing Li,Q. Z. Li-Demarteau,J. G R Lima,Don W. Lincoln,Stephan L. Linn,James T. Linnemann,Ronald J. Lipton,QiuGuang Liu,Yuchuan Liu,Frederick Lobkowicz,Stewart C. Loken,S. L?k?s,L. Leuking,Adam L. Lyon,Arthur K A MacIel,Ronald J. Madaras,Robert P. Madden,L. Maga?a-Mendoza,Seethambal S. Mani,Huishun Mao,Richard Markeloff,L. A. Markosky,Thomas R. Marshall,Manuel I. Martin,Kristal M. Mauritz,B. May, Mayorov,Robert L. McCarthy,Jeffrey E R McDonald,T. McKibben,J. D. McKinley,TJ J. McMahon,H. L. Melanson,M. M. Merkin,K. W B Merritt,Hannu E. Miettinen,A. I. Mincer,Jussara M. De Miranda,C. Shekhar Mishra,Nikolai V. Mokhov,Naba Kumar Mondal, H. E. Montgomery,P. Mooney,H. Da Motta,C. T. Murphy,F. Nang,Meenakshi Narain,V. S. Narasimham,A. Narayanan,Homer A. Neal,J. P. Negret,Peter N��methy, D. Ne?i?, M. S. Nicola,D. J P Norman,L. H. Oesch,V. Oguri,E. Oltman,N. Oshima,Daniel P. Owen,Paul Padley,M. Pang,Adam Para,Y. M. Park,Richard A. Partridge,Nirmalya Parua,M. Paterno,J. Perkins,Michael W. Peters, R. Piegaia,Henryk Piekarz,Yu M. Pischalnikov,Vladimir M. Podstavkov,B. G. Pope,Harrison Bertrand Prosper,Serban D. Protopopescu,D. L. Pu?elji?,Jun Qian,P. Z. Quintas,Rajendran Raja,Sudhir Rajagopalan,Oscar M. Ramirez,L. O. Rasmussen,Stephen Reucroft,Michael Rijssenbeek,T. Rockwell,Natalie Ro��, P. Rubinov,Randal C. Ruchti,John P. Rutherfoord, Alberto S��nchez-Hern��ndez,Alberto F S Santoro,Lee Sawyer,R. Dean Schamberger, Schellman,J. Sculli,Elizaveta K. Shabalina,C. Shaffer,H. C. Shankar,Rajiv K. Shivpuri,Michael A. Shupe,Harmeet Singh,Jaivir B. Singh,Vladimir I. Sirotenko,Wesley M. Smart,Andrew Cameron Smith,Richard P. Smith,R. Snihur,Gregory R. Snow,James M. Snow,Scott S. Snyder,Julius Solomon,P. M. Sood,Mark Sosebee,N. A. Sotnikova,M. H G Souza,Anthony L. Spadafora,Robert W. Stephens,M. Lynn Stevenson,D. P. Stewart,D. A. Stoianova,David P. Stoker,M. G. Strauss,K. Streets,Mark Strovink,Andre A. Sznajder,P. Tamburello, J. Tarazi,Michael A. Tartaglia,Tina L T Thomas,J. M. Thompson,Thomas G. Trippe,P. Michael Tuts,Nikos Varelas,Erich W. Varnes,D. Vititoe,A. A. Volkov,A. P. Vorobiev,Heinrich D. Wahl,G. Wang, 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,Eunil Won, D. R. Wood,Heng Xu,Ryuji Yamada,Peter Yamin,Chiaki Yanagisawa,Juhua Yang,Takahiro Yasuda,Pablo P. Yepes,C. Yoshikawa,Saul P. Youssef,Jaehoon Yu,YoungJun Yu,Qiming Zhu,Z. H. Zhu,Daria Ziemi��ska,Andrzej Ziemi��ski,E. G. Zverev,Armand Zylberstejn
Physical Review Letters（1997）
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摘要
We present a measurement of the tt? production cross section in pp? collisions at ��s = 1.8 TeV by the D0 experiment at the Fermilab Tevatron. The measurement is based on data from an integrated luminosity of approximately 125 pb-1 accumulated during the 1992-1996 collider run. We observe 39 tt? candidate events in the dilepton and lepton + jets decay channels with an expected background of 13.7 �� 2.2 events. For a top quark mass of 173.3 GeV/c2, we measure the tt? production cross section to be 5.5 �� 1.8 pb.
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关键词
top quark,cross section
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