Measurement of B(t→Wb)/B(t→Wq) at s=1.96TeV

Autor: V. Simak, F. Villeneuve-Seguier, Vipin Bhatnagar, E. De La Cruz-Burelo, R. Partridge, Christian Autermann, V. L. Malyshev, V. V. Tokmenin, P. Padley, H. S. Mao, R. F. Rodrigues, B. Åsman, R. Van Kooten, V. M. Abazov, M. D. Corcoran, G. Obrant, V. Shary, Mitchell Wayne, H. Schellman, J. M. Kohli, A. C.S. Assis Jesus, Guennadi Borissov, H. A. Neal, D. Meder, J. T. Linnemann, K. Yip, N. Xuan, Stefan Grünendahl, D. Brown, Christian Schmitt, S. Nelson, M. H.G. Souza, W. C. Fisher, P. Verdier, K. J. Rani, A. Alton, M. Merkin, Robert Hirosky, K. W. Merritt, J. F. Bartlett, P. Banerjee, Armen Vartapetian, A. P. Heinson, G. S. Muanza, Stephen Wimpenny, Iain Alexander Bertram, R. Gelhaus, Michael Rijssenbeek, D. V. Bandurin, D. A. Stoyanova, Robert Kehoe, M. C. Cousinou, Marco Verzocchi, C. Magass, Dugan O'Neil, E. G. Zverev, A. Patwa, Mark Owen, Denis Gelé, Raymond Brock, Boaz Klima, M. Das, Sascha Caron, R. Unalan, L. Stutte, Gregory J Pawloski, L. Han, A. Zieminski, A.S. Dyshkant, Dmitri Tsybychev, R. L. McCarthy, I. Katsanos, N. M. Cason, M. Agelou, A. M. Magnan, M. Yan, S. Fu, R. Beuselinck, F. Borcherding, R. W. Moore, F. Lehner, T. Edwards, Martin Grunewald, A. M. Kalinin, Mossadek Talby, R. E. Hall, B. Gómez, Shashikant Dugad, A. Yurkewicz, Jiri Kvita, P. A. Rapidis, S. Burke, D. A. Wijngaarden, Marcia Begalli, M. Zielinski, Milos Lokajicek, L. Bagby, Christophe Royon, N. Gollub, A. Evdokimov, Terry Richard Wyatt, P. K. Mal, V. N. Evdokimov, I. Hall, M. Kopal, A. Chandra, Jovan Mitrevski, M. A. Strang, G. Hesketh, Norbert Wermes, Julia S. Meyer, Meenakshi Narain, Sherry Towers, J. Haley, Suyong Choi, Emily Nurse, G. Sajot, Elizabeth Gallas, V. I. Rud, S. Söldner-Rembold, Darien Wood, V. A. Bezzubov, M. Strovink, R. A. Sidwell, J. P. Negret, G. Gutierrez, R. P. Smith, P. J. Van Den Berg, Jessica Levêque, K. Bos, Marc Besancon, J. Temple, L. S. Vertogradov, Michael Begel, Sergey Burdin, M. Eads, K. M. Chan, Christian Zeitnitz, Lev Uvarov, Y. Hu, Gilvan Alves, Emanuela Barberis, M. Abolins, Sophie Trincaz-Duvoid, Nicholas John Hadley, C. P. Buszello, Kazunori Hanagaki, Dongliang Zhang, H. D. Wahl, Nikola Makovec, Rupinder Kaur, Bradley Cox, S. P. Denisov, J. D. Degenhardt, S. Lammers, Y. Arnoud, B. Davies, H. Weerts, J. Kozminski, S. Blessing, P. Renkel, Michael Hildreth, Eduardo De Moraes Gregores, S. E.K. Mattingly, Graham Wilson, Heriberto Castilla-Valdez, H. da Motta, S. Krzywdzinski, M. Petteni, J. Lazoflores, D. Edmunds, M. Binder, W. E. Cooper, Scott Snyder, D. Bauer, F. Badaud, Kevin Black, Cris W. Barnes, Yann Coadou, D. Kau, P.F. Ermolov, D. Gillberg, K. Stevenson, N. K. Mondal, P. Schieferdecker, H. T. Diehl, T. A. Bolton, Lev Dudko, Mikko Voutilainen, W. D. Shephard, R. McCroskey, Andre Sznajder, M. Cooke, Y. Pogorelov, S. Uzunyan, Karl Jakobs, R. K. Shivpuri, C. Noeding, A. S. Ito, A. Melnitchouk, A. Sanchez-Hernandez, A. Boehnlein, M. Sosebee, J. M. Kalk, Arnaud Duperrin, Yuri Gershtein, G. A. Davis, Boris Tuchming, Sharon Hagopian, Gregorio Bernardi, Emmanuelle Perez, A. K.A. Maciel, D. Denisov, W. L. Prado Da Silva, S. Greder, V. M. Korablev, Harrison Prosper, Y. Xie, Amnon Harel, S. Desai, V. Hynek, Jeroen Hegeman, J. Ellison, Jong-Sung Yu, Hwi Dong Yoo, B. Vachon, D. R. Claes, V. Zutshi, Gavin Davies, W. M. Van Leeuwen, C. Schwanenberger, M. Ahsan, J. M. Heinmiller, Sa. Jain, S. Fuess, Jun Guo, Q. Z. Li, Hal Evans, Thomas Ferbel, H. Greenlee, D. M. Strom, S. Doulas, L. Berntzon, Ashok Kumar, T. Kurca, S. Sengupta, Freya Blekman, Luiz Mundim, V. V. Lipaev, Lars Sonnenschein, M. S. Anzelc, Sarah Catherine Eno, Horst Severini, Marc Weber, S. Chakrabarti, Peter Love, E. Galyaev, B. C.K. Casey, V. Lesne, I. Ripp-Baudot, A. Meyer, S. J. Hong, Jonas Strandberg, N. Parua, Y. Scheglov, Kaushik De, M. H. Kirby, Reinhard Schwienhorst, R. Piegaia, Ariel Schwartzman, Michael A. Strauss, R. Bernhard, Limin Wang, A. Bross, Marc-Andre Pleier, P. Lewis, Ashok Das, Christos Leonidopoulos, T. Kuhl, G. Alkhazov, A. Jenkins, R. J. Madaras, S. Yacoob, J. A. Parsons, Paul Telford, V. White, I. Blackler, Avto Kharchilava, P. Lebrun, J. Snow, Christophe Clement, F. Charles, Andrew Brandt, N. Parashar, Serban Protopopescu, M. Jaffré, Tae Jeong Kim, Marcel Vreeswijk, B. Spurlock, O. Boeriu, F. Chevallier, T. Yasuda, Alexander Khanov, Sung Keun Park, Jan Stark, Wendy Taylor, J. Womersley, Zeno Dixon Greenwood, Kirti Ranjan, H.E. Miettinen, Carsten Hensel, Junjie Zhu, Henry Lubatti, Y. A. Yatsunenko, D. K. Cho, A. Stone, George Alverson, Johannes Elmsheuser, P. Neustroev, Tobias Golling, T. Scanlon, Andy Haas, S. Kermiche, M. Wobisch, Alexey Ferapontov, A. Pompoš, J. Cammin, Viatcheslav Stolin, Richard B. Lipton, Tulika Bose, Suman Bala Beri, D. Hedin, J. Kasper, K. Gounder, J. R. Kalk, P. Haefner, Vivian O'Dell, Mark Raymond Adams, Emmanuel Busato, M. Ćwiok, Cristina Galea, Alexander Kupco, D. Karmanov, Marvin Johnson, J. Molina, Carlos Avila, S. Sumowidagdo, Kristian Harder, S. Kesisoglou, O. Atramentov, Tiefu Zhao, V. Siccardi, A. Juste, Todd Adams, M. Wetstein, Sudhir Malik, A. V. Kozelov, Ia Iashvili, P. Skubic, Sabine Crépé-Renaudin, D. Cutts, Ulrike Blumenschein, Frederic Deliot, Christopher George Tully, Jean-Roch Vlimant, Brajesh C Choudhary, J. P. Konrath, H. Dong, Andrew White, D. Buchholz, Wagner Carvalho, M. Michaut, P. L.M. Podesta-Lerma, Jean-Laurent Agram, R. Otec, Randy Ruchti, D. Chakraborty, Greg Landsberg, Adam L. Lyon, G. Savage, Brad Abbott, A. Magerkurth, A. Zatserklyaniy, Y. M. Kharzheev, Sergio F Novaes, R. Jesik, Michael Martens, P. Tamburello, Juan Estrada, C. Ay, Pierre Petroff, B. S. Acharya, C. De Oliveira Martins, P. N. Ratoff, Nikos Varelas, Bing Zhou, Luis Mendoza, Patrick Slattery, G. J. Otero y Garzón, M. Ford, Andrew Askew, Zhengguo Zhao, Anna Goussiou, Abdenour Lounis, D. Shpakov, Pedrame Bargassa, P. M. Tuts, Maksym Titov, T. H. Burnett, Hyun-Chul Kim, Yurii Maravin, Don Lincoln, Erich Varnes, Vladimir Gavrilov, M. Anastasoaie, K. Soustruznik, K. A. Johns, Andrei Nomerotski, C. Jarvis, Gordon Watts, V. Sirotenko, S. N. Fatakia, Robert Harrington, Arnulf Quadt, J. Dyer, N. J. Buchanan, A. Mendes, Gregory R Snow, Elemer Nagy, J. A. Benitez, A. C. Le Bihan, V. M. Podstavkov, J. Monk, John Hobbs, A. Baden, J. Barreto, Ulrich Heintz, Md. Naimuddin, A. S. Turcot, Phillip Gutierrez, M. Fortner, B. Clement, G. C. Blazey, Y. Yen, I. Torchiani, M. Buehler, Frank Filthaut, T. Gadfort, M. Diesburg, M. Lynker, R. Hooper, D. Wicke, R. Yamada, X. F. Song, L. Lobo, T. Nunnemann, Ph Gris, B. Baldin, P. Houben, Lorenzo Feligioni, Jean-Francois Grivaz, S. H. Ahn, P. de Jong, M. Arov, Dorothee Schaile, V. Oguri, A. Koubarovsky, P. Jonsson, Mansoora Shamim, Jing Li, A. V. Popov, M. Hohlfeld, Thomas Hebbeker, D. Khatidze, M. Mulders, J. Hays, Gustaaf Brooijmans, J. Warchol, V. Buescher, S. J. De Jong, B. Kothari, A. A. Shchukin, Andre Sopczak, Frank Fiedler, E. Kajfasz, H. E. Fisk, Aran Garcia-Bellido, M. P. Sanders, J. M. Hauptman, Cecilia Elena Gerber, G. Ginther, Jianming Qian, M. Doidge, B. Andrieu, Elliott Cheu, Victor Daniel Elvira, U. Bassler, S. Robinson, Regina Demina, T. Moulik, Alberto Santoro, J. G.R. Lima, W. M. Lee, P. Rubinov, L. Christofek, Helena Malbouisson, D. Chapin, J. N. Butler, P. D. Grannis, J. Steele, B. Tiller, S. W. Youn, E. Von Toerne, P. Demine, D. Coppage, G. Grenier, N. A. Naumann, Pushpalatha C Bhat, S. Reucroft, Reiner Hauser, D. Käfer, A. Bellavance, B. Hoeneisen, Lee Sawyer, B. G. Pope, Calvin A. Johnson, S. Calvet, Elizaveta Shabalina, Timothy Andeen, A. Kryemadhi, Shuichi Kunori, P. Mättig, R. Illingworth, A. Leflat, S.A. Kahn, Philip Baringer, S. Jabeen, S. Banerjee, M. Demarteau, Carmen García, T. Toole, S. Lager, S. Uvarov, Ivor Fleck, B. Quinn, Thomas Trefzger, Makoto Tomoto, Alice Bean, N. Oliveira, Maria Elena Pol, J. Gardner, J. Kotcher, S. Anderson, Harald Fox, M. Vaupel, Y. D. Mutaf, I. A. Vasilyev, P. M. Perea, G. D. Alexeev, Flera Rizatdinova, C. Biscarat, A. Jonckheere, A. Lobodenko, N. Oshima, Daniel Bloch, Daria Zieminska, R. D. Schamberger, Raimund Ströhmer, L. Duflot
Rok vydání: 2006
Předmět:
Zdroj: Physics Letters B. 639:616-622
ISSN: 0370-2693
Popis: We present the measurement of R = B(t -> Wb)/B(t -> Wq) in pp collisions at root s = 1.96 TeV, using 230 pb(-1) of data collected by the DO experiment at the Fermilab Tevatron Collider. We fit simultaneously R and the number (N-tt) of selected top quark pairs (tt), to the number of identified b-quark jets in events with one electron or one muon, three or more jets, and high transverse energy imbalance. To improve sensitivity, kinematical properties of events with no identified b-quark jets are included in the fit. We measure R = 1.03(-0.17)(0.19) (stat + syst), in good agreement with the standard model. We set lower limits of R > 0.61 and vertical bar V-tb vertical bar > 0.78 at 95% confidence level.
Databáze: OpenAIRE