Measurement of the tt¯ production cross section in pp¯ collisions at s=1.96 TeV in dilepton final states

Autor: H. E. Fisk, L. S. Vertogradov, T. Toole, Aran Garcia-Bellido, J. P. Konrath, B. Davies, Y. Arnoud, A. Leflat, S. Lager, S. Uvarov, K. Gounder, J. R. Kalk, Graham Wilson, P. K. Mal, V. M. Abazov, W. E. Cooper, V. Shary, Ivor Fleck, M. P. Sanders, Yann Coadou, H. da Motta, D. Gillberg, J. Torborg, B. Quinn, D. Chakraborty, A. S. Ito, A. Melnitchouk, O. Atramentov, Sharon Hagopian, Makoto Tomoto, C. Magass, Dugan O'Neil, E. G. Zverev, Don Lincoln, Erich Varnes, A. Patwa, Alice Bean, Iain Alexander Bertram, J. M. Hauptman, Cecilia Elena Gerber, G. Ginther, S. Banerjee, Jianming Qian, V. Hynek, Robert Hirosky, Michael Rijssenbeek, M. Doidge, P. W. Balm, Denis Gelé, N. M. Cason, Arnaud Duperrin, V. M. Korablev, N. Oliveira, G. Savage, V. V. Lipaev, Marcia Begalli, A. M. Kalinin, K. W. Merritt, J. F. Bartlett, H. Kim, Philip Baringer, S. Jabeen, Robert Kehoe, Norbert Wermes, Meenakshi Narain, Jong-Sung Yu, Sherry Towers, D. Wicke, M. Agelou, J. Fast, A. M. Magnan, M. Yan, J. D. Degenhardt, V. N. Evdokimov, I. Hall, A. Chandra, S. Burke, J. Lazoflores, M. Sosebee, Maria Elena Pol, B. G. Pope, J. Gardner, Jing Li, G. Alkhazov, Freya Blekman, Adam L. Lyon, Markus Klute, J. Kotcher, S. Anderson, S. E.K. Mattingly, Harald Fox, T. Vu Anh, Elizaveta Shabalina, Michael A. Strauss, Juan Estrada, Jovan Mitrevski, G. Gutierrez, Gilvan Alves, Nikola Makovec, M. Vaupel, M. Zdrazil, Y. D. Mutaf, D. A. Stoyanova, I. A. Vasilyev, P. M. Perea, Emmanuel Busato, Armen Vartapetian, U. Bassler, S. Robinson, Regina Demina, T. Moulik, Alberto Santoro, J. G.R. Lima, P. Rubinov, M. Abolins, L. Duflot, B. Åsman, R. Piegaia, L. Groer, Karl Jakobs, Kevin Black, M. Anastasoaie, N. K. Mondal, P. Schieferdecker, Andrew Brandt, P. Lebrun, W. M. Van Leeuwen, Arnulf Quadt, A. A. Mayorov, O. Boeriu, Y. Kulik, Kirti Ranjan, H.E. Miettinen, Vivek Jain, Q. Xu, Paul Telford, Carsten Hensel, Timothy Andeen, R. L. McCarthy, Christian Schmitt, S. Nelson, M. H.G. Souza, R. Gelhaus, Elemer Nagy, D. K. Cho, A. Stone, M. Das, A. P. Heinson, G. S. Muanza, A. Yurkewicz, R. E. Hall, Tae Jeong Kim, Tobias Golling, T. Scanlon, S. Kermiche, Alexander Khanov, Rupinder Kaur, Daniel Whiteson, Bradley Cox, V. I. Rud, S. Söldner-Rembold, P. Lewis, J. Snow, Christophe Clement, Nikos Varelas, Bing Zhou, Vipin Bhatnagar, Marvin Johnson, E. De La Cruz-Burelo, A. Kryemadhi, Suman Bala Beri, A. V. Kozelov, Shuichi Kunori, L. Lobo, Vivian O'Dell, N. Lahrichi, R. Partridge, X. Zhang, Lorenzo Feligioni, Emanuela Barberis, L. Christofek, M. Kopal, Christian Autermann, A. Juste, Michael Begel, Eduardo De Moraes Gregores, Kazunori Hanagaki, Dongliang Zhang, Todd Adams, Helena Malbouisson, D. Chapin, V. L. Malyshev, M. Merkin, H. S. Mao, G. A. Davis, Raimund Ströhmer, V. Simak, S. Chakrabarti, Peter Love, Boris Tuchming, Luiz Mundim, Abdenour Lounis, Raymond Brock, Boaz Klima, Cris W. Barnes, P. Padley, R. F. Rodrigues, J. N. Butler, P. D. Grannis, R. Beuselinck, Robert Harrington, Limin Wang, Mitchell Wayne, S. Krzywdzinski, H. Schellman, J. M. Kohli, A. Mendes, R. J. Madaras, Marc-Andre Pleier, J. Steele, Stefan Grünendahl, Julia S. Meyer, F. Lehner, F. Villeneuve-Seguier, Mossadek Talby, B. Gómez, S. Yacoob, H. Greenlee, D. M. Strom, B. C.K. Casey, Shashikant Dugad, T. H. Burnett, Heriberto Castilla-Valdez, Alexandre Zabi, A. Bross, A. Cothenet, K. J. Rani, A. Alton, Serban Protopopescu, George Alverson, Tiefu Zhao, Ashok Kumar, S. W. Youn, E. Von Toerne, P. Demine, Andy Haas, K. Genser, D. Hedin, A. Sanchez-Hernandez, Ulrike Blumenschein, S. Kesisoglou, Q. Z. Li, P. L.M. Podesta-Lerma, D. Coppage, K. M. Chan, Christian Zeitnitz, V. Zutshi, F. Charles, Ulrich Heintz, J. A. Parsons, Jean-Laurent Agram, N. A. Naumann, M. Cooke, W. L. Prado Da Silva, Frank Filthaut, Tulika Bose, S. Reucroft, Brad Abbott, Andrew Askew, Zhengguo Zhao, D. Käfer, A. Bellavance, Ariel Schwartzman, M. Diesburg, M. Verzocchi, Pierre Petroff, Brigitte Vachon, D. Shpakov, P.F. Ermolov, Stephen Wimpenny, Martin Grunewald, J. Kasper, V. White, Milos Lokajicek, D. Edmunds, Andrew White, M. Michaut, Darien Wood, Nicholas John Hadley, W. D. Shephard, C. P. Buszello, Alexey Ferapontov, S. Blessing, R. McCroskey, Andre Sznajder, Scott Snyder, V. A. Bezzubov, Karel Smolek, H. Dong, Andrei Nomerotski, J. P. Negret, Yuri Gershtein, D. Buchholz, Emmanuelle Perez, R. K. Shivpuri, John Hobbs, J. Barreto, P. Tamburello, D. R. Claes, Gavin Davies, Anna Goussiou, S. Doulas, T. Nunnemann, B. Baldin, J. Dyer, R. P. Smith, Gregory R Snow, Sophie Trincaz-Duvoid, Kaushik De, Sung Keun Park, Mansoora Shamim, Reinhard Schwienhorst, J. Kozminski, M. C. Cousinou, I. Blackler, R. Van Kooten, M. D. Corcoran, Jan Stark, W. M. Lee, A. Kharchilava, L. Lueking, Henry Lubatti, L. Han, S. Fu, Andre Sopczak, J. Cammin, B. Andrieu, A. Zieminski, Michael Hildreth, R. Bernhard, D. A. Wijngaarden, M. Buehler, D. Kau, Elliott Cheu, Victor Daniel Elvira, G. Hesketh, A. Harel, P. J. Van Den Berg, Jessica Levêque, K. Bos, Marc Besancon, J. Temple, J. Huang, R. A. Sidwell, Michael Martens, N. R. Stanton, K. Stevenson, S. Uzunyan, Y. A. Yatsunenko, C. Han, S. N. Fatakia, V. M. Podstavkov, M. Fortner, B. Clement, L. Phaf, Y. Hu, Ph Gris, Frederic Deliot, C. De Oliveira Martins, Christopher George Tully, P. Houben, P. N. Ratoff, Y. M. Kharzheev, Patrick Slattery, G. J. Otero y Garzón, Harrison Prosper, S. Desai, P. M. Tuts, V. Buescher, P. Mättig, R. Illingworth, S. J. Hong, N. Gollub, Suyong Choi, Gregorio Bernardi, D. Denisov, J. M. Heinmiller, Hal Evans, Thomas Ferbel, Lars Sonnenschein, A. C.S. Assis Jesus, Guennadi Borissov, W. C. Fisher, Neeti Parashar, M. Zielinski, Thomas Trefzger, G. D. Alexeev, Flera Rizatdinova, R. Zitoun, H. T. Diehl, T. A. Bolton, Y. Pogorelov, C. Biscarat, P. A. Rapidis, A. Jonckheere, S. Dean, Stephan Linn, A. Lobodenko, S. N. Gurzhiev, N. Oshima, A. Boehnlein, J. Ellison, A. K.A. Maciel, M. Ahsan, Sa. Jain, S. Fuess, T. Kurca, Marc Weber, I. Ripp-Baudot, Daniel Bloch, Marcel Vreeswijk, B. Spurlock, Zeno Dixon Greenwood, Marumi Kado, Daria Zieminska, Cristina Galea, T. Edwards, R. D. Schamberger, T. R. Wyatt, Pushpalatha C Bhat, Reiner Hauser, B. Hoeneisen, Lee Sawyer, Viatcheslav Stolin, J. Molina, S.A. Kahn, Lev Uvarov, Carlos Avila, S. Sumowidagdo, M. Demarteau, Carmen García, Sabine Crépé-Renaudin, Sergey Burdin, S. P. Denisov, Sergio F Novaes, Yurii Maravin, Vladimir Gavrilov, Gordon Watts, V. Sirotenko, A. C. Le Bihan, O. V. Eroshin, A. S. Turcot, Phillip Gutierrez, T. Christiansen, H. A. Neal, Jonas Strandberg, N. Parua, D. Meder, J. T. Linnemann, K. Yip, N. Xuan, M. Eads, M. Jaffré, L. Stutte, Gregory J Pawloski, A.S. Dyshkant, Jiri Kvita, S. J. De Jong, B. Kothari, Christos Leonidopoulos, Alexander Kupco, J. Womersley, J. Wittlin, M. Wobisch, A. Pompoš, Stephanie Beauceron, D. Karmanov, Sudhir Malik, Ia Iashvili, Jean-Roch Vlimant, Brajesh C Choudhary, A. A. Shchukin, Randy Ruchti, Frank Fiedler, E. Kajfasz, F. Borcherding, G. Sajot, S. Greder, Emily Nurse, Elizabeth Gallas, Sarah Catherine Eno, Horst Severini, Johannes Elmsheuser, P. Neustroev, Junjie Zhu, R. Jesik, K. A. Johns, P. Verdier, Richard B. Lipton, Kristian Harder, A. Evdokimov, T. Gadfort, R. Hooper, M. A. Strang, M. Petteni, D. Cutts, V. Oguri, A. Koubarovsky, J. Hays, Gustaaf Brooijmans, Wagner Carvalho, J. Warchol, Sascha Caron, A. Jenkins, Greg Landsberg, P. Skubic, M. Strovink, H. Weerts, M. Binder, Pedrame Bargassa, A. Meyer, Lev Dudko, K. Soustruznik, C. Noeding, N. J. Buchanan, Hwi Dong Yoo, S. Sengupta, A. Baden, G. C. Blazey, Y. Yen, R. Yamada, Jean-Francois Grivaz, S. H. Ahn, P. de Jong, P. Jonsson, Thomas Hebbeker, M. Mulders, Mary Beth Adams, Christophe Royon, H. D. Wahl, D. Bauer, F. Badaud, C. Schwanenberger, E. Galyaev, T. Yasuda, M. Lynker, X. F. Song, Dorothee Schaile, M. Hohlfeld, Wendy Taylor, Roger Moore, A. Magerkurth, A. Zatserklyaniy, B. S. Acharya
Rok vydání: 2005
Předmět:
Zdroj: Physics Letters B. 626:55-64
ISSN: 0370-2693
Popis: We present a measurement of the top quark pair ($t\bar{t}$) production cross section ($\sigma_{t\bar{t}}$) in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV using 230 pb$^{-1}$ of data collected by the D0 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 $t\bar{t}$ purity of the selected sample. For a top quark mass of 175 GeV, we measure $\sigma_{t\bar{t}}=8.6^{+1.6}_{-1.5}(stat.+syst.)\pm 0.6(lumi.)$ pb, in agreement with the standard model expectation
Databáze: OpenAIRE