Measurement of the tt̄ production cross section in pp̄ collisions at √s = 1.96 TeV using lepton + jets events with lifetime b-tagging
VM M. Abazov,Brad K. Abbott,Maris A. Abolins,Bobby Samir Acharya,M. R. Adams,T. Adams,Mathieu Agelou,Jean Laurent Agram,Sunghwan Ahn,M. H. Ahsan,G. D. Alexeev,G. D. Alkhazov,Anrew Alton,George O. Alverson,Gelio A. Alves,M. Anastasoaie,Timothy R. Andeen,Steven G H Anderson,Bernard Andrieu,Y. Arnoud, A. Askew,B. Å Åsman,Ana Carolina S Assis Jesus, O. V. Atramentov,Christian Autermann,C. Ávila,Frédérique Badaud,Andrew R. Baden,Boris Yu Baldin,P. W. Balm,Sw W. Banerjee,Emanuela Barbëris,P. Bargassa,Philip S. Baringer,Chris P. Barnes,J. L. Barreto,J. F. Bartlett,Ursula Bassler,Daniela A. Bauer,Alice Bean,Stéphanie Beauceron,Márcia Begalli,Michael Begel,Angela Bellavance,Suman B. Beri,Gregorio Bernardi,Ralf P. Bernhard,Iain A. Bertram,Marc Besançon,R. Beuselinck,V. A. Bezzubov,Priya C. Bhat,V. Bhatnagar,M. Binder,Catherine Biscarat,Kevin M. Black,I. Blackler,Gerald C. Blazey,Freya Blekman,Susan K. Blessing,D. Bloch,Ulla Blumenschein,Amber Boehnlein,Oana E Vickey Boeriu,Tim A. Bolton,Fred O. Borcherding,Guennadi Borissov, K. Bos,Tulika Bose,Achi E. Brandt,Raymond J. Brock,Gustaaf Brooijmans,Alan D. Bross,Norm J. Buchanan,Donald Bruce Buchholz,Marc Buehler,V. Buescher,Sebastien Burdin,Stephen P. Bürke,TH Burnett,E. Busato,Claus P. Buszello,John M. Butler,Jochen Cammin,Sascha Caron,Washington R. Carvalho,Brendan C K Casey,Neal M. Cason,H. Castilla-Valdez,Subhendu K. Chakrabarti,Dhiman Chakraborty,Kai M A Chan,Avdhesh Chandra,Doug Chapin,François Charles,Elliott Cheu,D. K. Cho,Soojeong Choi,Brajesh Chandra Choudhary,Tim Christiansen,Leonard Christofek,Dan R. Claes,B. C. Clément,Christophe Clément,Yann C. Coadou,Michael Cooke,W. E. Cooper,D. Coppage,Marjorie D. Corcoran,A. Cothenet,M. C. Cousinou,Brian E. Cox, S. Crépé-Renaudin,David Ćutts,H. Da Motta,Manav Das,Bill Davies,Gavin J. Davies,G. A. Davis,Kaushik De,Paul De Jong,Sijbrand J. De Jong,Eduard De La De La Cruz-Burelo,Caroline De Oliveira Martins,S. Dean,James D. Degenhardt,Frédéric Déliot,Marcel Demarteau,Regina F. Démina,Pavel Démine,D. S. Denisov,Sergey P. Denisov,Satish V. Desai,H. Thomas Diehl, M. Diesburg,M. Doidge,Huan Dong,S. Doulas, L. V. Dudko, L. Duflot,Shashikant R. Dugad,Arnaud Duperrin,Justin S. Dyer,Alexander S. Dyshkant,Michael Eads,Daniel L. Edmunds,Tom J. Edwards,John A. Ellison,Johannes Elmsheuser,V. Daniel Elvira,Sarah C. Eno,P. F. Ermolov.,O. V. Eroshin,Juan Cruz Estrada,Harold G. Evans,A. V. Evdokimov,V. N. Evdokimov,James E. Fast,S. N. Fatakia,Lorenzo Feligioni,A. V. Ferapontov, T. Ferbel,Frank Fiedler,Frank Filthaut,Wade C. Fisher,H. Eugene Fisk,Ivor Fleck, Michael R. Fortner,Howard S. Fox,Shaohua Fu,Stuart Fuess,Thomas Gadfort,Cristina F. Galea,Elizabeth J. Gallas,E. Galyaev,Carmen José García,Arán García-Bellido,Jason A. Gardner,V. B. Gavrilov,A. P R Gay,Pascal Gay,Denis Gelé,R. Gelhaus,Krzysztof Genser,Cecilia E. Gerber,Yu S. Gershtein,Dag Gillberg,G. Ginther,Tobias Golling,Nils P. Gollub,B. Gómez,Krishnaswamy N. Gounder,A. G. Goussiou,Paul D. Grannis,S. Greder,Herbert B. Greenlee,Zeno Dixon Greenwood,E. De Moraes Gregores,Ph L Y Gris,Jean François Grivaz,Leslie S. Groer,Stefan Grünendahl,Martin W. Grünewald,S. N. Gurzhiev,Gaston Gutiérrez,Phillip Gutierrez,Andrew Haas,NJ J. Hadley,Stephanie L. Hagopian,I. Hall,Raymond E. Hall,ChingChih Han,Liang Han,K. Hanagaki,Kristian U. Harder,Amnon Harel,Robert D. Harrington,John M. Hauptman,Reiner Hauser,Jonathan Hays,Thomas Hebbeker,David Hedin,J. M. Heinmiller,Ann P. Heinson,Ulrich Heintz,Carsten Hensel,G. G. Hesketh,Mike D. Hildreth,Robert J. Hirosky,John D. Hobbs,B. Hoeneisen,Marc Hohlfeld,Su Hong,Ryan J. Hooper,P. Houben,Yuan Hu,Jie Huang, V. Hynek, I. Iashvili,Robert Illingworth,A. S. Ito,Shabnam Jabeen,Marc Olivier Jaffré,Supriya Jain,Vivek Jain,Karl Heinz Jakobs,Amber Ceri Jenkins,Rick Jesik,Ken A. Johns,Marvin E. Johnson,A. M. Jonckheere,Per M. Jönsson,Aurelio Juste,Marumi Kado,Daniela Käfer,Stephen Alan Kahn,Eric Kajfasz, A. M. Kalinin,J. R. Kalk,D. E. Karmanov,J. Kasper,D. Kau,Rajwant Kaur,Robert L. Kehoe,S. Kermiche,Stilianos Kesisoglou,Alexandre I. Khanov,Avto I. Kharchilava,Y. M. Kharzheev,Hyeoungwoo Kim,Taeyueb Kim,Boaz Klima,Markus Klute, J. M. Kohli,J. P. Konrath,Miroslav Kopál,V. M. Korablev,J. Kotcher,B. Kothari,A. Koubarovsky,A. V. Kozelov,Joseph F. Kozminski,Abaz Kryemadhi,S. Krzywdzinski,Yu O. Kulik,Ashok Kumar, S. Kunori,Alexander Kupčo,Tibor Kurča,Jiří Kvita,S. Lager,N. Lahrichi,Greg L. Landsberg,J. Lazoflores,Anne Catherine Le Bihan,Paul L G Lebrun,William Lee,Alexander K. Leflat,Frank Lehner,Christos Leonidopoulos, J. Levêque,Peter G. Lewis,Jia Li,Qizhong Li,J. G R Lima,Don W. Lincoln,Stephan L. Linn,James T. Linnemann,V. V. Lipaev,Ronald J. Lipton,L. Lobo,A. A. Lobodenko,Miloš V. Lokajíček,Abdenour Lounis,Peter A. Love, H. J. Lubatti,Lee H. Lueking,M. Lynker,Adam L. Lyon,Arthur K A MacIel,Ronald J. Madaras,Peter Mättig,Carsten Magass,A. J. Magerkurth,Anne Marie Magnan,N. Makovec,Prolay Kumar Mal,H. B. Malbouisson,Sudhir K R Malik, V. L. Malyshev,Huishun Mao,Yurii Y. Maravin,Michael A. Martens,Sean E K Mattingly,A. A. Mayorov,Robert L. McCarthy,Rob McCroskey,David J. Meder,Alex Melnitchouk,A. Mendes,M. M. Merkin,K. W B Merritt,Arnd B. Meyer,Jörg P. Meyer,M. Michaut,Hannu E. Miettinen, J. Mitrevski,J. Molina,Naba Kumar Mondal,Roger W. Moore,Tania K. Moulik,G. S. Muanza,Martijn Mulders,Luiz M. Mundim,Yildirim D. Mutaf,Elemér Nagy,Meenakshi Narain,N. Axel Naumann,Homer A. Neal,J. P. Negret,Shelby F. Nelson,P. Neustroev,C. Noeding,Andrei Nomerotski,S. F. Novaes,Thomas Nunnemann,Emily Nurse,Vivian R. O'Dell,Dugan C. O'Neil,V. Oguri,Nilson A. Oliveira,N. Oshima,G. J O Otero Y Garzón,Paul Padley,Neeti D. Parashar,Sungkeun Park,John A. Parsons,Richard A. Partridge,Nirmalya Parua,Amit N. Patwa,G. Pawloski,P. M. Perea,Emmanuelle Pérez,Pierre Pétroff,Michele Petteni, R. Piegaia,Marc André Pleier,P. Podesta M Podesta Podesta-Lerma,Vladimir M. Podstavkov,Yu A. Pogorelov,M. E. Pol,A. Pompoš,B. G. Pope,W. L. Prado Da Silva,Harrison Bertrand Prosper,Serban D. Protopopescu,Jun Qian,Arnulf Quadt,Breese Quinn,Kirti J. Rani,Kirti Ranjan,Petros A. Rapidis,Peter N. Ratoff,Stephen Reucroft,Michael Rijssenbeek,Isabelle Ripp-Baudot, F. K. Rizatdinova,Steve Robinson,R. F. Rodrigues,Christophe R. Royon, P. Rubinov,Randal C. Ruchti,Vasilii I. Ruď,Ǵerard Sajot,Alberto Sánchez-Hernández,Marijn P A Sanders,Alberto F S Santoro,G. Paul Savage,Lee Sawyer,Tim Scanlon,Dorothee Schaile,R. Dean Schamberger,Heidi M. Schellman,Philipp Schieferdecker,Ch Schmitt,Christian Schwanenberger,Ariel R. Schwartzman,Reinhard Schwienhorst,Sonali K. Sengupta,Horst Severini,Elizaveta K. Shabalina,Mansoora Shamim,Viatcheslav V. Shary,Andrey A. Shchukin,W. D. Shephard,Rajiv K. Shivpuri,Dennis V. Shpakov,Ronald A. Sidwell,Vladislav Šimák,Vladimir I. Sirotenko,Patrick L. Skubic,P. F. Slattery,Richard P. Smith,Karel Smolek,Gregory R. Snow,James M. Snow,Scott S. Snyder,Stefan A. Söldner-Rembold,Xiaofei Song,Lars Sonnenschein,André Sopczak,Mark Sosebee,Karel Soustružník,M. H G Souza, B. Spurlock,Noel R. Stanton,Jan Stark,James V. Steele,Kyle Stevenson,V. L. Stolin,Alan L. Stone,Dina A. Stoyanova,Jonas Strandberg,Michael A. Strang,M. G. Strauss,Raimund Ströhmer,David M. Strom,Mark Strovink,Linda Stutte,Suharyo Sumowidagdo,Andre A. Sznajder,Mossadek Talby,P. Tamburello,Wendy M. Taylor,Paul J. Telford, J. Temple,Makoto Tomoto,Terrence Toole,J. Torborg,Simon J. Towers,Thomas Trefzger,S. Trincaz- Duvoid,Boris Tuchming,Christopher G. Tully,André S. Turcot,P. Michael Tuts,L. N. Uvarov,S. Uvarov,S. A. Uzunyan,Brigitte Vachon,P. J. van den Berg,Richard J. Van Kooten,W. M. Van Leeuwen,Nikos Varelas,Erich W. Varnes,A. H. Vartapetian,I. A. Vasilyev,M. Vaupel,Patrice Verdier,L. S. Vertogradov,Marco Verzocchi,Frédéric Villeneuve-Séguier,J. R. Vlimant,Eckhard Von Toerne, M. Vreeswijk,T. Vu Anh,Heinrich D. Wahl,Lan Wang, J. Warchol,Gordon Watts,Mitchell R. Wayne,Marc S. Weber,Hendrik Weerts,Norbert Wermes,Andrew P. White,Vicky A. White,Daniel Wicke,D. A. Wijngaarden,Graham W. Wilson,Stephen J. Wimpenny,J. L. Wittlin,Markus Wobisch,John Womersley, D. R. Wood,T. R. Wyatt,Qichun Xu,N. Xuan,Sahal Yacoob,Ryuji Yamada, M. Yan,Takahiro Yasuda,Yu A. Yatsunenko,Y. Yen,Kin Yip,Hwidong Yoo,S. W. Youn,Jaehoon Yu,Adam Yurkewicz,Alexandre Zabi,Andriy Zatserklyaniy,M. Zdrazil,Ch Zeitnitz,Dehong Zhang,Xuejun Zhang,Tianchi Zhao,Zheng Guo Zhao,Bing Zhou,Jian Zhu,Marek Zieliński,Daria Ziemińska,Andrzej Ziemiński, R. Zitoun, V. Zutshi,E. G. Zverev
Physics Letters B（2005）
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摘要
We present a measurement of the top quark pair (tt¯) production cross section (σtt¯) in pp¯ collisions at s=1.96TeV using 230 pb−1 of data collected by the DØ experiment at the Fermilab Tevatron Collider. We select events with one charged lepton (electron or muon), missing transverse energy, and jets in the final state. We employ lifetime-based b-jet identification techniques to further enhance the tt¯ purity of the selected sample. For a top quark mass of 175 GeV, we measure σtt¯=8.6−1.5+1.6(stat.+syst.)±0.6(lumi.)pb, in agreement with the standard model expectation.
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关键词
13.85.Lg,13.85.Qk,14.65.Ha
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