Skip to main navigation Skip to search Skip to main content

Measurement of the W boson helicity in top quark decays using 5.4fb -1 of pp̄ collision data

  • V. M. Abazov
  • , B. Abbott
  • , B. S. Acharya
  • , M. Adams
  • , T. Adams
  • , G. D. Alexeev
  • , G. Alkhazov
  • , A. Alton
  • , G. Alverson
  • , G. A. Alves
  • , L. S. Ancu
  • , M. Aoki
  • , Y. Arnoud
  • , M. Arov
  • , A. Askew
  • , B. Åsman
  • , O. Atramentov
  • , C. Avila
  • , J. Backusmayes
  • , F. Badaud
  • L. Bagby, B. Baldin, D. V. Bandurin, S. Banerjee, E. Barberis, P. Baringer, J. Barreto, J. F. Bartlett, U. Bassler, V. Bazterra, S. Beale, A. Bean, M. Begalli, M. Begel, C. Belanger-Champagne, L. Bellantoni, S. B. Beri, G. Bernardi, R. Bernhard, I. Bertram, M. Besançon, R. Beuselinck, V. A. Bezzubov, P. C. Bhat, V. Bhatnagar, G. Blazey, S. Blessing, K. Bloom, A. Boehnlein, D. Boline, T. A. Bolton, E. E. Boos, G. Borissov, T. Bose, A. Brandt, O. Brandt, R. Brock, G. Brooijmans, A. Bross, D. Brown, J. Brown, X. B. Bu, M. Buehler, V. Buescher, V. Bunichev, S. Burdin, T. H. Burnett, C. P. Buszello, B. Calpas, E. Camacho-Pérez, M. A. Carrasco-Lizarraga, B. C.K. Casey, H. Castilla-Valdez, S. Chakrabarti, D. Chakraborty, K. M. Chan, A. Chandra, G. Chen, S. Chevalier-Théry, D. K. Cho, S. W. Cho, S. Choi, B. Choudhary, T. Christoudias, S. Cihangir, D. Claes, J. Clutter, M. Cooke, W. E. Cooper, M. Corcoran, F. Couderc, M. C. Cousinou, A. Croc, D. Cutts, M. Ćwiok, A. Das, G. Davies, K. De, S. J. De Jong, E. De La Cruz-Burelo, F. Déliot, M. Demarteau, R. Demina, D. Denisov, S. P. Denisov, S. Desai, K. Devaughan, H. T. Diehl, M. Diesburg, A. Dominguez, T. Dorland, A. Dubey, L. V. Dudko, D. Duggan, A. Duperrin, S. Dutt, A. Dyshkant, M. Eads, D. Edmunds, J. Ellison, V. D. Elvira, Y. Enari, H. Evans, A. Evdokimov, V. N. Evdokimov, G. Facini, T. Ferbel, F. Fiedler, F. Filthaut, W. Fisher, H. E. Fisk, M. Fortner, H. Fox, S. Fuess, T. Gadfort, A. Garcia-Bellido, V. Gavrilov, P. Gay, W. Geist, W. Geng, D. Gerbaudo, C. E. Gerber, Y. Gershtein, G. Ginther, G. Golovanov, A. Goussiou, P. D. Grannis, S. Greder, H. Greenlee, Z. D. Greenwood, E. M. Gregores, G. Grenier, Ph Gris, J. F. Grivaz, A. Grohsjean, S. Grünendahl, M. W. Grünewald, F. Guo, G. Gutierrez, P. Gutierrez, A. Haas, S. Hagopian, J. Haley, L. Han, K. Harder, A. Harel, J. M. Hauptman, J. Hays, T. Head, T. Hebbeker, D. Hedin, H. Hegab, A. P. Heinson, U. Heintz, C. Hensel, I. Heredia-De La Cruz, K. Herner, G. Hesketh, M. D. Hildreth, R. Hirosky, T. Hoang, J. D. Hobbs, B. Hoeneisen, M. Hohlfeld, S. Hossain, Z. Hubacek, N. Huske, V. Hynek, I. Iashvili, R. Illingworth, A. S. Ito, S. Jabeen, M. Jaffré, S. Jain, D. Jamin, R. Jesik, K. Johns, M. Johnson, D. Johnston, A. Jonckheere, P. Jonsson, J. Joshi, A. Juste, K. Kaadze, E. Kajfasz, D. Karmanov, P. A. Kasper, I. Katsanos, R. Kehoe, S. Kermiche, N. Khalatyan, A. Khanov, A. Kharchilava, Y. N. Kharzheev, D. Khatidze, M. H. Kirby, J. M. Kohli, A. V. Kozelov, J. Kraus, A. Kumar, A. Kupco, T. Kurča, V. A. Kuzmin, J. Kvita, S. Lammers, G. Landsberg, P. Lebrun, H. S. Lee, S. W. Lee, W. M. Lee, J. Lellouch, L. Li, Q. Z. Li, S. M. Lietti, J. K. Lim, D. Lincoln, J. Linnemann, V. V. Lipaev, R. Lipton, Y. Liu, Z. Liu, A. Lobodenko, M. Lokajicek, P. Love, H. J. Lubatti, R. Luna-Garcia, A. L. Lyon, A. K.A. MacIel, D. MacKin, R. Madar, R. Magaña-Villalba, S. Malik, V. L. Malyshev, Y. Maravin, J. Martínez-Ortega, R. McCarthy, C. L. McGivern, M. M. Meijer, A. Melnitchouk, D. Menezes, P. G. Mercadante, M. Merkin, A. Meyer, J. Meyer, N. K. Mondal, G. S. Muanza, M. Mulhearn, E. Nagy, M. Naimuddin, M. Narain, R. Nayyar, H. A. Neal, J. P. Negret, P. Neustroev, S. F. Novaes, T. Nunnemann, G. Obrant, J. Orduna, N. Osman, J. Osta, G. J. Otero Y Garzón, M. Owen, M. Padilla, M. Pangilinan, N. Parashar, V. Parihar, S. K. Park, J. Parsons, R. Partridge, N. Parua, A. Patwa, B. Penning, M. Perfilov, K. Peters, Y. Peters, G. Petrillo, P. Pétroff, R. Piegaia, J. Piper, M. A. Pleier, P. L.M. Podesta-Lerma, V. M. Podstavkov, M. E. Pol, P. Polozov, A. V. Popov, M. Prewitt, D. Price, S. Protopopescu, J. Qian, A. Quadt, B. Quinn, M. S. Rangel, K. Ranjan, P. N. Ratoff, I. Razumov, P. Renkel, P. Rich, M. Rijssenbeek, I. Ripp-Baudot, F. Rizatdinova, M. Rominsky, C. Royon, P. Rubinov, R. Ruchti, G. Safronov, G. Sajot, A. Sánchez-Hernández, M. P. Sanders, B. Sanghi, A. S. Santos, G. Savage, L. Sawyer, T. Scanlon, R. D. Schamberger, Y. Scheglov, H. Schellman, T. Schliephake, S. Schlobohm, C. Schwanenberger, R. Schwienhorst, J. Sekaric, H. Severini, E. Shabalina, V. Shary, A. A. Shchukin, R. K. Shivpuri, V. Simak, V. Sirotenko, P. Skubic, P. Slattery, D. Smirnov, K. J. Smith, G. R. Snow, J. Snow, S. Snyder, S. Söldner-Rembold, L. Sonnenschein, A. Sopczak, M. Sosebee, K. Soustruznik, B. Spurlock, J. Stark, V. Stolin, D. A. Stoyanova, M. Strauss, D. Strom, L. Stutte, L. Suter, P. Svoisky, M. Takahashi, A. Tanasijczuk, W. Taylor, M. Titov, V. V. Tokmenin, Y. T. Tsai, D. Tsybychev, B. Tuchming, C. Tully, P. M. Tuts, L. Uvarov, S. Uvarov, S. Uzunyan, R. Van Kooten, W. M. Van Leeuwen, N. Varelas, E. W. Varnes, I. A. Vasilyev, P. Verdier, L. S. Vertogradov, M. Verzocchi, M. Vesterinen, D. Vilanova, P. Vint, P. Vokac, H. D. Wahl, M. H.L.S. Wang, J. Warchol, G. Watts, M. Wayne, M. Weber, L. Welty-Rieger, A. White, D. Wicke, M. R.J. Williams, G. W. Wilson, S. J. Wimpenny, M. Wobisch, D. R. Wood, T. R. Wyatt, Y. Xie, C. Xu, S. Yacoob, R. Yamada, W. C. Yang, T. Yasuda, Y. A. Yatsunenko, Z. Ye, H. Yin, K. Yip, S. W. Youn, J. Yu, S. Zelitch, T. Zhao, B. Zhou, J. Zhu, M. Zielinski, D. Zieminska, L. Zivkovic
  • Joint Institute for Nuclear Research
  • University of Oklahoma
  • Tata Institute of Fundamental Research
  • University of Illinois at Chicago
  • Florida State University
  • RAS - Saint Petersburg Nuclear Physics Institute
  • University of Michigan, Ann Arbor
  • Augustana College, Sioux Falls
  • Northeastern University
  • Centro Brasileiro de Pesquisas Físicas
  • Radboud University Nijmegen
  • Fermi National Accelerator Laboratory
  • Université Joseph Fourier Grenoble 1
  • Louisiana Tech University
  • Stockholm University
  • Rutgers - The State University of New Jersey, New Brunswick
  • Universidad de los Andes Colombia
  • University of Washington
  • Université Blaise Pascal
  • University of Kansas
  • CEA Saclay
  • Simon Fraser University
  • Universidade do Estado do Rio de Janeiro
  • Brookhaven National Laboratory
  • Panjab University
  • UMR 7585
  • University of Freiburg
  • Lancaster University
  • Imperial College London
  • Institute for High Energy Physics
  • Northern Illinois University
  • University of Nebraska-Lincoln
  • Stony Brook University
  • Kansas State University
  • Lomonosov Moscow State University
  • Boston University
  • University of Texas at Arlington
  • University of Göttingen
  • Michigan State University
  • Columbia University
  • University of Virginia
  • Johannes Gutenberg University Mainz
  • University of Liverpool
  • Aix-Marseille Université
  • Centro de Investigacion y de Estudios Avanzados del Instituto Politécnico Nacional
  • University of Notre Dame
  • Rice University
  • Brown University
  • Korea University
  • University of Delhi
  • University College Dublin
  • University of Arizona
  • University of Rochester
  • University of California at Riverside
  • Indiana University Bloomington
  • Alikhanov Institute for Theoretical and Experimental Physics
  • Université de Strasbourg
  • Princeton University
  • Universidade Federal do ABC
  • Universite Claude Bernard Lyon 1
  • Université de Lyon
  • Université Paris-Sud
  • Stanford Linear Accelerator Center, Stanford University
  • University of Science and Technology of China
  • University of Manchester
  • Iowa State University
  • RWTH Aachen University
  • Oklahoma State University
  • Universidad San Francisco de Quito
  • Czech Technical University in Prague
  • SUNY Buffalo
  • ICREA
  • Southern Methodist University
  • Northwestern University
  • Czech Academy of Sciences
  • Charles University
  • Universidade Estadual Paulista Júlio de Mesquita Filho
  • Instituto Politécnico Nacional
  • University of Mississippi
  • Ludwig Maximilian University of Munich
  • Universidad de Buenos Aires
  • Purdue University Northwest
  • Universidad Autonoma de Sinaloa
  • University of Wuppertal
  • Langston University
  • University of Amsterdam
  • University of Bern

Research output: Contribution to journalArticlepeer-review

64 Scopus citations

Abstract

We present a measurement of the helicity of the W boson produced in top quark decays using tt̄ decays in the l+jets and dilepton final states selected from a sample of 5.4fb-1 of collisions recorded using the D0 detector at the Fermilab Tevatron pp̄ collider. We measure the fractions of longitudinal and right-handed W bosons to be f0=0.669±0. 102[±0.078(stat.)±0.065(syst.)] and f+=0.023±0. 053[±0.041(stat.)±0.034(syst.)], respectively. This result is consistent at the 98% level with the standard model. A measurement with f 0 fixed to the value from the standard model yields f +=0.010±0.037[±0.022(stat.)±0.030(syst.).].

Original languageEnglish
Article number032009
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume83
Issue number3
DOIs
StatePublished - 18 Feb 2011

Fingerprint

Dive into the research topics of 'Measurement of the W boson helicity in top quark decays using 5.4fb -1 of pp̄ collision data'. Together they form a unique fingerprint.

Cite this