Phys. Rev. D 80, 053012 (2009) [13 pages]
Measurement of trilinear gauge boson couplings from WW+WZ-->lnujj events in p[overline p] collisions at sqrt(s)=1.96 TeV
Abstract
References (34)
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V. M. Abazov, 37 B. Abbott, 75 M. Abolins, 65 B. S. Acharya, 30 M. Adams, 51 T. Adams, 49 E. Aguilo, 6 M. Ahsan, 59 G. D. Alexeev, 37 G. Alkhazov, 41 A. Alton, 64 G. Alverson, 63 G. A. Alves, 2 L. S. Ancu, 36 M. S. Anzelc, 53 M. Aoki, 50 Y. Arnoud, 14 M. Arov, 60 M. Arthaud, 18 A. Askew, 49 B. Åsman, 42 O. Atramentov, 49 C. Avila, 8 J. BackusMayes, 82 F. Badaud, 13 L. Bagby, 50 B. Baldin, 50 D. V. Bandurin, 59 S. Banerjee, 30 E. Barberis, 63 A.-F. Barfuss, 15 P. Bargassa, 80 P. Baringer, 58 J. Barreto, 2 J. F. Bartlett, 50 U. Bassler, 18 D. Bauer, 44 S. Beale, 6 A. Bean, 58 M. Begalli, 3 M. Begel, 73 C. Belanger-Champagne, 42 L. Bellantoni, 50 A. Bellavance, 50 J. A. Benitez, 65 S. B. Beri, 28 G. Bernardi, 17 R. Bernhard, 23 I. Bertram, 43 M. Besançon, 18 R. Beuselinck, 44 V. A. Bezzubov, 40 P. C. Bhat, 50 V. Bhatnagar, 28 G. Blazey, 52 S. Blessing, 49 K. Bloom, 67 A. Boehnlein, 50 D. Boline, 62 T. A. Bolton, 59 E. E. Boos, 39 G. Borissov, 43 T. Bose, 62 A. Brandt, 78 R. Brock, 65 G. 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(D0 Collaboration)
1Universidad de Buenos Aires, Buenos Aires, Argentina
2LAFEX, Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, Brazil
3Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
4Universidade Federal do ABC, Santo André, Brazil
5Instituto de Física Teórica, Universidade Estadual Paulista, São Paulo, Brazil
6University of Alberta, Edmonton, Alberta, Canada; Simon Fraser University, Burnaby, British Columbia, Canada; York University, Toronto, Ontario, Canada; and McGill University, Montreal, Quebec, Canada
7University of Science and Technology of China, Hefei, People's Republic of China
8Universidad de los Andes, Bogotá, Colombia
9Center for Particle Physics, Charles University, Faculty of Mathematics and Physics, Prague, Czech Republic
10Czech Technical University in Prague, Prague, Czech Republic
11Center for Particle Physics, Institute of Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
12Universidad San Francisco de Quito, Quito, Ecuador
13LPC, Université Blaise Pascal, CNRS/IN2P3, Clermont, France
14LPSC, Université Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, Grenoble, France
15CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France
16LAL, Université Paris-Sud, IN2P3/CNRS, Orsay, France
17LPNHE, IN2P3/CNRS, Universités Paris VI and VII, Paris, France
18CEA, Irfu, SPP, Saclay, France
19IPHC, Université de Strasbourg, CNRS/IN2P3, Strasbourg, France
20IPNL, Université Lyon 1, CNRS/IN2P3, Villeurbanne, France and Université de Lyon, Lyon, France
21III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany
22Physikalisches Institut, Universität Bonn, Bonn, Germany
23Physikalisches Institut, Universität Freiburg, Freiburg, Germany
24II. Physikalisches Institut, Georg-August-Universität Göttingen, Göttingen, Germany
25Institut für Physik, Universität Mainz, Mainz, Germany
26Ludwig-Maximilians-Universität München, München, Germany
27Fachbereich Physik, University of Wuppertal, Wuppertal, Germany
28Panjab University, Chandigarh, India
29Delhi University, Delhi, India
30Tata Institute of Fundamental Research, Mumbai, India
31University College Dublin, Dublin, Ireland
32Korea Detector Laboratory, Korea University, Seoul, Korea
33SungKyunKwan University, Suwon, Korea
34CINVESTAV, Mexico City, Mexico
35FOM-Institute NIKHEF and University of Amsterdam/NIKHEF, Amsterdam, The Netherlands
36Radboud University Nijmegen/NIKHEF, Nijmegen, The Netherlands
37Joint Institute for Nuclear Research, Dubna, Russia
38Institute for Theoretical and Experimental Physics, Moscow, Russia
39Moscow State University, Moscow, Russia
40Institute for High Energy Physics, Protvino, Russia
41Petersburg Nuclear Physics Institute, St. Petersburg, Russia
42Stockholm University, Stockholm, Sweden, and Uppsala University, Uppsala, Sweden
43Lancaster University, Lancaster, United Kingdom
44Imperial College, London, United Kingdom
45University of Manchester, Manchester, United Kingdom
46University of Arizona, Tucson, Arizona 85721, USA
47California State University, Fresno, California 93740, USA
48University of California, Riverside, California 92521, USA
49Florida State University, Tallahassee, Florida 32306, USA
50Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
51University of Illinois at Chicago, Chicago, Illinois 60607, USA
52Northern Illinois University, DeKalb, Illinois 60115, USA
53Northwestern University, Evanston, Illinois 60208, USA
54Indiana University, Bloomington, Indiana 47405, USA
55University of Notre Dame, Notre Dame, Indiana 46556, USA
56Purdue University Calumet, Hammond, Indiana 46323, USA
57Iowa State University, Ames, Iowa 50011, USA
58University of Kansas, Lawrence, Kansas 66045, USA
59Kansas State University, Manhattan, Kansas 66506, USA
60Louisiana Tech University, Ruston, Louisiana 71272, USA
61University of Maryland, College Park, Maryland 20742, USA
62Boston University, Boston, Massachusetts 02215, USA
63Northeastern University, Boston, Massachusetts 02115, USA
64University of Michigan, Ann Arbor, Michigan 48109, USA
65Michigan State University, East Lansing, Michigan 48824, USA
66University of Mississippi, University, Mississippi 38677, USA
67University of Nebraska, Lincoln, Nebraska 68588, USA
68Princeton University, Princeton, New Jersey 08544, USA
69State University of New York, Buffalo, New York 14260, USA
70Columbia University, New York, New York 10027, USA
71University of Rochester, Rochester, New York 14627, USA
72State University of New York, Stony Brook, New York 11794, USA
73Brookhaven National Laboratory, Upton, New York 11973, USA
74Langston University, Langston, Oklahoma 73050, USA
75University of Oklahoma, Norman, Oklahoma 73019, USA
76Oklahoma State University, Stillwater, Oklahoma 74078, USA
77Brown University, Providence, Rhode Island 02912, USA
78University of Texas, Arlington, Texas 76019, USA
79Southern Methodist University, Dallas, Texas 75275, USA
80Rice University, Houston, Texas 77005, USA
81University of Virginia, Charlottesville, Virginia 22901, USA
82University of Washington, Seattle, Washington 98195, USA
Received 24 July 2009; published 23 September 2009
We present a direct measurement of trilinear gauge boson couplings at gammaWW and ZWW vertices in WW and WZ events produced in p[overline p] collisions at sqrt(s)=1.96 TeV. We consider events with one electron or muon, missing transverse energy, and at least two jets. The data were collected using the D0 detector and correspond to 1.1 fb-1 of integrated luminosity. Considering two different relations between the couplings at the gammaWW and ZWW vertices, we measure these couplings at 68% C.L. to be kappagamma=1.07-0.29+0.26, lambda=0.00-0.06+0.06, and g1Z=1.04-0.09+0.09 in a scenario respecting SU(2)L[direct-product]U(1)Y gauge symmetry and kappa=1.04-0.11+0.11 and lambda=0.00-0.06+0.06 in an “equal couplings” scenario.
©2009 The American Physical Society
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