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Measurement of the tt¯ production cross section in pp¯ collisions at s=1.96  TeV using lepton + jets events with secondary vertex b -tagging

D. Acosta16, J. Adelman12, T. Affolder9, T. Akimoto54, M. G. Albrow15, D. Ambrose43, S. Amerio42, D. Amidei33, A. Anastassov50 et al. (CDF Collaboration)

A. Anastassov50, K. Anikeev31, A. Annovi44, J. Antos1, M. Aoki54, G. Apollinari15, T. Arisawa56, J-F. Arguin32, A. Artikov13, W. Ashmanskas15, A. Attal7, F. Azfar41, P. Azzi-Bacchetta42, N. Bacchetta42, H. Bachacou28, W. Badgett15, A. Barbaro-Galtieri28, G. J. Barker25, V. E. Barnes46, B. A. Barnett24, S. Baroiant6, M. Barone17, G. Bauer31, F. Bedeschi44, S. Behari24, S. Belforte53, G. Bellettini44, J. Bellinger58, E. Ben-Haim15, D. Benjamin14, A. Beretvas15, A. Bhatti48, M. Binkley15, D. Bisello42, M. Bishai15, R. E. Blair2, C. Blocker5, K. Bloom33, B. Blumenfeld24, A. Bocci48, A. Bodek47, G. Bolla46, A. Bolshov31, P. S. L. Booth29, D. Bortoletto46, J. Boudreau45, S. Bourov15, C. Bromberg34, E. Brubaker12, J. Budagov13, H. S. Budd47, K. Burkett15, G. Busetto42, P. Bussey19, K. L. Byrum2, S. Cabrera14, M. Campanelli18, M. Campbell33, A. Canepa46, M. Casarsa53, D. Carlsmith58, S. Carron14, R. Carosi44, M. Cavalli-Sforza3, A. Castro4, P. Catastini44, D. Cauz53, A. Cerri28, C. Cerri44, L. Cerrito23, J. Chapman33, C. Chen43, Y. C. Chen1, M. Chertok6, G. Chiarelli44, G. Chlachidze13, F. Chlebana15, I. Cho27, K. Cho27, D. Chokheli13, M. L. Chu1, S. Chuang58, J. Y. Chung38, W-H. Chung58, Y. S. Chung47, C. I. Ciobanu23, M. A. Ciocci44, A. G. Clark18, D. Clark5, M. Coca47, A. Connolly28, M. Convery48, J. Conway6, B. Cooper30, M. Cordelli17, G. Cortiana42, J. Cranshaw52, J. Cuevas10, R. Culbertson15, C. Currat28, D. Cyr58, D. Dagenhart5, S. Da Ronco42, S. D’Auria19, P. de Barbaro47, S. De Cecco49, G. De Lentdecker47, S. Dell’Agnello17, M. Dell’Orso44, S. Demers47, L. Demortier48, M. Deninno4, D. De Pedis49, P. F. Derwent15, C. Dionisi49, J. R. Dittmann15, P. Doksus23, A. Dominguez28, S. Donati44, M. Donega18, J. Donini42, M. D’Onofrio18, T. Dorigo42, V. Drollinger36, K. Ebina56, N. Eddy23, R. Ely28, R. Erbacher6, M. Erdmann25, D. Errede23, S. Errede23, R. Eusebi47, H-C. Fang28, S. Farrington29, I. Fedorko44, R. G. Feild59, M. Feindt25, J. P. Fernandez46, C. Ferretti33, R. D. Field16, I. Fiori44, G. Flanagan34, B. Flaugher15, L. R. Flores-Castillo45, A. Foland20, S. Forrester6, G. W. Foster15, M. Franklin20, J. C. Freeman28, H. Frisch12, Y. Fujii26, I. Furic12, A. Gajjar29, A. Gallas37, J. Galyardt11, M. Gallinaro48, M. Garcia-Sciveres28, A. F. Garfinkel46, C. Gay59, H. Gerberich14, D. W. Gerdes33, E. Gerchtein11, S. Giagu49, P. Giannetti44, A. Gibson28, K. Gibson11, C. Ginsburg58, K. Giolo46, M. Giordani53, G. Giurgiu11, V. Glagolev13, D. Glenzinski15, M. Gold36, N. Goldschmidt33, D. Goldstein7, J. Goldstein41, G. Gomez10, G. Gomez-Ceballos31, M. Goncharov51, O. González46, I. Gorelov36, A. T. Goshaw14, Y. Gotra45, K. Goulianos48, A. Gresele4, M. Griffiths29, C. Grosso-Pilcher12, U. Grundler23, M. Guenther46, J. Guimaraes da Costa20, C. Haber28, K. Hahn43, S. R. Hahn15, E. Halkiadakis47, A. Hamilton32, B-Y. Han47, R. Handler58, F. Happacher17, K. Hara54, M. Hare55, R. F. Harr57, R. M. Harris15, F. Hartmann25, K. Hatakeyama48, J. Hauser7, C. Hays14, H. Hayward29, E. Heider55, B. Heinemann29, J. Heinrich43, M. Hennecke25, M. Herndon24, C. Hill9, D. Hirschbuehl25, A. Hocker47, K. D. Hoffman12, A. Holloway20, S. Hou1, M. A. Houlden29, B. T. Huffman41, Y. Huang14, R. E. Hughes38, J. Huston34, K. Ikado56, J. Incandela9, G. Introzzi44, M. Iori49, Y. Ishizawa54, C. Issever9, A. Ivanov47, Y. Iwata22, B. Iyutin31, E. James15, D. Jang50, J. Jarrell36, D. Jeans49, H. Jensen15, E. J. Jeon27, M. Jones46, K. K. Joo27, S. Jun11, T. Junk23, T. Kamon51, J. Kang33, M. Karagoz Unel37, P. E. Karchin57, S. Kartal15, Y. Kato40, Y. Kemp25, R. Kephart15, U. Kerzel25, V. Khotilovich51, B. Kilminster38, D. H. Kim27, H. S. Kim23, J. E. Kim27, M. J. Kim11, M. S. Kim27, S. B. Kim27, S. H. Kim54, T. H. Kim31, Y. K. Kim12, B. T. King29, M. Kirby14, L. Kirsch5, S. Klimenko16, B. Knuteson31, B. R. Ko14, H. Kobayashi54, P. Koehn38, D. J. Kong27, K. Kondo56, J. Konigsberg16, K. Kordas32, A. Korn31, A. Korytov16, K. Kotelnikov35, A. V. Kotwal14, A. Kovalev43, J. Kraus23, I. Kravchenko31, A. Kreymer15, J. Kroll43, M. Kruse14, V. Krutelyov51, S. E. Kuhlmann2, N. Kuznetsova15, A. T. Laasanen46, S. Lai32, S. Lami48, S. Lammel15, J. Lancaster14, M. Lancaster30, R. Lander6, K. Lannon38, A. Lath50, G. Latino36, R. Lauhakangas21, I. Lazzizzera42, Y. Le24, C. Lecci25, T. LeCompte2, J. Lee27, J. Lee47, S. W. Lee51, R. Lefèvre3, N. Leonardo31, S. Leone44, J. D. Lewis15, K. Li59, C. Lin59, C. S. Lin15, M. Lindgren15, T. M. Liss23, D. O. Litvintsev15, T. Liu15, Y. Liu18, N. S. Lockyer43, A. Loginov35, M. Loreti42, P. Loverre49, R-S. Lu1, D. Lucchesi42, P. Lujan28, P. Lukens15, G. Lungu16, L. Lyons41, J. Lys28, R. Lysak1, D. MacQueen32, R. Madrak20, K. Maeshima15, P. Maksimovic24, L. Malferrari4, G. Manca29, R. Marginean38, M. Martin24, A. Martin59, V. Martin37, M. Martínez3, T. Maruyama54, H. Matsunaga54, M. Mattson57, P. Mazzanti4, K. S. McFarland47, D. McGivern30, P. M. McIntyre51, P. McNamara50, R. NcNulty29, S. Menzemer31, A. Menzione44, P. Merkel15, C. Mesropian48, A. Messina49, T. Miao15, N. Miladinovic5, L. Miller20, R. Miller34, J. S. Miller33, R. Miquel28, S. Miscetti17, G. Mitselmakher16, A. Miyamoto26, Y. Miyazaki40, N. Moggi4, B. Mohr7, R. Moore15, M. Morello44, A. Mukherjee15, M. Mulhearn31, T. Muller25, R. Mumford24, A. Munar43, P. Murat15, J. Nachtman15, S. Nahn59, I. Nakamura43, I. Nakano39, A. Napier55, R. Napora24, D. Naumov36, V. Necula16, F. Niell33, J. Nielsen28, C. Nelson15, T. Nelson15, C. Neu43, M. S. Neubauer8, C. Newman-Holmes15, A-S. Nicollerat18, T. Nigmanov45, L. Nodulman2, O. Norniella3, K. Oesterberg21, T. Ogawa56, S. H. Oh14, Y. D. Oh27, T. Ohsugi22, T. Okusawa40, R. Oldeman49, R. Orava21, W. Orejudos28, C. Pagliarone44, F. Palmonari44, R. Paoletti44, V. Papadimitriou15, S. Pashapour32, J. Patrick15, G. Pauletta53, M. Paulini11, T. Pauly41, C. Paus31, D. Pellett6, A. Penzo53, T. J. Phillips14, G. Piacentino44, J. Piedra10, K. T. Pitts23, C. Plager7, A. Pompoš46, L. Pondrom58, G. Pope45, O. Poukhov13, F. Prakoshyn13, T. Pratt29, A. Pronko16, J. Proudfoot2, F. Ptohos17, G. Punzi44, J. Rademacker41, A. Rakitine31, S. Rappoccio20, F. Ratnikov50, H. Ray33, A. Reichold41, B. Reisert15, V. Rekovic36, P. Renton41, M. Rescigno49, F. Rimondi4, K. Rinnert25, L. Ristori44, W. J. Robertson14, A. Robson41, T. Rodrigo10, S. Rolli55, L. Rosenson31, R. Roser15, R. Rossin42, C. Rott46, J. Russ11, A. Ruiz10, D. Ryan55, H. Saarikko21, S. Sabik32, A. Safonov6, R. St. Denis19, W. K. Sakumoto47, G. Salamanna49, D. Saltzberg7, C. Sanchez3, A. Sansoni17, L. Santi53, S. Sarkar49, K. Sato54, P. Savard32, A. Savoy-Navarro15, P. Schlabach15, E. E. Schmidt15, M. P. Schmidt59, M. Schmitt37, L. Scodellaro42, A. Scribano44, F. Scuri44, A. Sedov46, S. Seidel36, Y. Seiya40, F. Semeria4, L. Sexton-Kennedy15, I. Sfiligoi17, M. D. Shapiro28, T. Shears29, P. F. Shepard45, M. Shimojima54, M. Shochet12, Y. Shon58, I. Shreyber35, A. Sidoti44, J. Siegrist28, M. Siket1, A. Sill52, P. Sinervo32, A. Sisakyan13, A. Skiba25, A. J. Slaughter15, K. Sliwa55, D. Smirnov36, J. R. Smith6, F. D. Snider15, R. Snihur32, S. V. Somalwar50, J. Spalding15, M. Spezziga52, L. Spiegel15, F. Spinella44, M. Spiropulu9, P. Squillacioti44, H. Stadie25, A. Stefanini44, B. Stelzer32, O. Stelzer-Chilton32, J. Strologas36, D. Stuart9, A. Sukhanov16, K. Sumorok31, H. Sun55, T. Suzuki54, A. Taffard23, R. Tafirout32, S. F. Takach57, H. Takano54, R. Takashima22, Y. Takeuchi54, K. Takikawa54, M. Tanaka2, R. Tanaka39, N. Tanimoto39, S. Tapprogge21, M. Tecchio33, P. K. Teng1, K. Terashi48, R. J. Tesarek15, S. Tether31, J. Thom15, A. S. Thompson19, E. Thomson43, P. Tipton47, V. Tiwari11, S. Tkaczyk15, D. Toback51, K. Tollefson34, T. Tomura54, D. Tonelli44, M. Tönnesmann34, S. Torre44, D. Torretta15, S. Tourneur15, W. Trischuk32, J. Tseng41, R. Tsuchiya56, S. Tsuno39, D. Tsybychev16, N. Turini44, M. Turner29, F. Ukegawa54, T. Unverhau19, S. Uozumi54, D. Usynin43, L. Vacavant28, A. Vaiciulis47, A. Varganov33, E. Vataga44, S. Vejcik, III15, G. Velev15, V. Veszpremi46, G. Veramendi23, T. Vickey23, R. Vidal15, I. Vila10, R. Vilar10, I. Vollrath32, I. Volobouev28, M. von der Mey7, P. Wagner51, R. G. Wagner2, R. L. Wagner15, W. Wagner25, R. Wallny7, T. Walter25, T. Yamashita39, K. Yamamoto40, Z. Wan50, M. J. Wang1, S. M. Wang16, A. Warburton32, B. Ward19, S. Waschke19, D. Waters30, T. Watts50, M. Weber28, W. C. Wester, III15, B. Whitehouse55, A. B. Wicklund2, E. Wicklund15, H. H. Williams43, P. Wilson15, B. L. Winer38, P. Wittich43, S. Wolbers15, M. Wolter55, M. Worcester7, S. Worm50, T. Wright33, X. Wu18, F. Würthwein8, A. Wyatt30, A. Yagil15, U. K. Yang12, W. Yao28, G. P. Yeh15, K. Yi24, J. Yoh15, P. Yoon47, K. Yorita56, T. Yoshida40, I. Yu27, S. Yu43, Z. Yu59, J. C. Yun15, L. Zanello49, A. Zanetti53, I. Zaw20, F. Zetti44, J. Zhou50, A. Zsenei18, and S. Zucchelli4 (CDF Collaboration)

  • 1Institute of Physics, Academia Sinica, Taipei, Taiwan 11529, Republic of China
  • 2Argonne National Laboratory, Argonne, Illinois 60439, USA
  • 3Institut de Fisica d’Altes Energies, Universitat Autonoma de Barcelona, E-08193, Bellaterra (Barcelona), Spain
  • 4Istituto Nazionale di Fisica Nucleare, University of Bologna, I-40127 Bologna, Italy
  • 5Brandeis University, Waltham, Massachusetts 02254, USA
  • 6University of California at Davis, Davis, California 95616, USA
  • 7University of California at Los Angeles, Los Angeles, California 90024, USA
  • 8University of California at San Diego, La Jolla, California 92093, USA
  • 9University of California at Santa Barbara, Santa Barbara, California 93106, USA
  • 10Instituto de Fisica de Cantabria, CSIC-University of Cantabria, 39005 Santander, Spain
  • 11Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
  • 12Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
  • 13Joint Institute for Nuclear Research, RU-141980 Dubna, Russia
  • 14Duke University, Durham, North Carolina 27708, USA
  • 15Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
  • 16University of Florida, Gainesville, Florida 32611, USA
  • 17Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare, I-00044 Frascati, Italy
  • 18University of Geneva, CH-1211 Geneva 4, Switzerland
  • 19Glasgow University, Glasgow G12 8QQ, United Kingdom
  • 20Harvard University, Cambridge, Massachusetts 02138, USA
  • 21The Helsinki Group, Helsinki Institute of Physics, Helsinki, Finland and Division of High Energy Physics, Department of Physical Sciences, University of Helsinki, FIN-00044, Helsinki, Finland
  • 22Hiroshima University, Higashi-Hiroshima 724, Japan
  • 23University of Illinois, Urbana, Illinois 61801, USA
  • 24The Johns Hopkins University, Baltimore, Maryland 21218, USA
  • 25Institut für Experimentelle Kernphysik, Universität Karlsruhe, 76128 Karlsruhe, Germany
  • 26High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305, Japan
  • 27Center for High Energy Physics, Kyungpook National University, Taegu 702-701, Korea and Seoul National University, Seoul 151-742, Korea and SungKyunKwan University, Suwon 440-746; Korea
  • 28Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
  • 29University of Liverpool, Liverpool L69 7ZE, United Kingdom
  • 30University College London, London WC1E 6BT, United Kingdom
  • 31Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
  • 32Institute of Particle Physics, McGill University, Montréal, Canada H3A 2T8; and University of Toronto, Toronto, Canada M5S 1A7
  • 33University of Michigan, Ann Arbor, Michigan 48109, USA
  • 34Michigan State University, East Lansing, Michigan 48824, USA
  • 35Institution for Theoretical and Experimental Physics, ITEP, Moscow 117259, Russia
  • 36University of New Mexico, Albuquerque, New Mexico 87131, USA
  • 37Northwestern University, Evanston, Illinois 60208, USA
  • 38The Ohio State University, Columbus, Ohio 43210, USA
  • 39Okayama University, Okayama 700-8530, Japan
  • 40Osaka City University, Osaka 588, Japan
  • 41University of Oxford, Oxford OX1 3RH, United Kingdom
  • 42University of Padova, Istituto Nazionale di Fisica Nucleare, Sezione di Padova-Trento, I-35131 Padova, Italy
  • 43University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
  • 44Istituto Nazionale di Fisica Nucleare, University and Scuola Normale Superiore of Pisa, I-56100 Pisa, Italy
  • 45University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
  • 46Purdue University, West Lafayette, Indiana 47907, USA
  • 47University of Rochester, Rochester, New York 14627, USA
  • 48The Rockefeller University, New York, New York 10021, USA
  • 49Istituto Nazionale di Fisica Nucleare, Sezione di Roma 1, University di Roma “La Sapienza,” I-00185 Roma, Italy
  • 50Rutgers University, Piscataway, New Jersey 08855, USA
  • 51Texas A&M University, College Station, Texas 77843, USA
  • 52Texas Tech University, Lubbock, Texas 79409, USA
  • 53Istituto Nazionale di Fisica Nucleare, University of Trieste, Udine, Italy
  • 54University of Tsukuba, Tsukuba, Ibaraki 305, Japan
  • 55Tufts University, Medford, Massachusetts 02155, USA
  • 56Waseda University, Tokyo 169, Japan
  • 57Wayne State University, Detroit, Michigan 48201, USA
  • 58University of Wisconsin, Madison, Wisconsin 53706, USA
  • 59Yale University, New Haven, Connecticut 06520, USA

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Phys. Rev. D 71, 052003 – Published 30 March, 2005

DOI: https://doi.org/10.1103/PhysRevD.71.052003

Abstract

We present a measurement of the tt¯ production cross section using events with one charged lepton and jets from pp¯ collisions at a center-of-mass energy of 1.96 TeV. In these events, heavy flavor quarks from top quark decay are identified with a secondary vertex tagging algorithm. From 162  pb−1 of data collected by the Collider Detector at Fermilab, a total of 48 candidate events are selected, where 13.5±1.8 events are expected from background contributions. We measure a tt¯ production cross section of 5.6−1.1+1.2(stat.)−0.6+0.9(syst.)  pb.

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Phys. Rev. D 71, 052003– Published 30 March, 2005
  • Received 15 October 2004

© 2005 American Physical Society

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