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Measurement of the $WZ\rightarrow \ell\nu\ell\ell$ cross section and limits on anomalous triple gauge couplings in $p\bar{p}$ collisions at $\sqrt{s}$ = 1.96 TeV

V.M. Abazov B. Abbott M. Abolins 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 1 M. Arov A. Askew B. Asman O. Atramentov C. Avila J. Backusmayes F. Badaud 2 L. Bagby B. Baldin D.V. Bandurin S. Banerjee E. Barberis A.-F. Barfuss 3 P. Baringer J. Barreto J.F. Bartlett U. Bassler 4 S. Beale A. Bean M. Begalli M. Begel C. Belanger-Champagne L. Bellantoni J.A. Benitez S.B. Beri G. Bernardi 5 R. Bernhard I. Bertram M. Besançon 4 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 X.B. Bu D. Buchholz M. Buehler V. Buescher V. Bunichev S. Burdin T.H. Burnett C.P. Buszello P. Calfayan B. Calpas 3 S. Calvet 6 E. Camacho-Pérez J. Cammin M.A. Carrasco-Lizarraga E. Carrera B.C.K. Casey H. Castilla-Valdez S. Chakrabarti D. Chakraborty K.M. Chan A. Chandra G. Chen S. Chevalier-Théry 4 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 4 M.-C. Cousinou 3 A. Croc 4 D. Cutts M. Cwiok A. Das G. Davies K. De S.J. de Jong E. de la Cruz-Burelo F. Déliot 4 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 3 S. Dutt A. Dyshkant M. Eads D. Edmunds J. Ellison V.D. Elvira Y. Enari 5 S. Eno H. Evans A. Evdokimov V.N. Evdokimov G. Facini A.V. Ferapontov T. Ferbel F. Fiedler F. Filthaut W. Fisher H.E. Fisk M. Fortner H. Fox S. Fuess T. Gadfort A. Garcia-Bellido V. Gavrilov Pascal Gay 2 W. Geist W. Geng 3 D. Gerbaudo C.E. Gerber Y. Gershtein D. Gillberg G. Ginther G. Golovanov A. Goussiou P.D. Grannis S. Greder H. Greenlee Z.D. Greenwood E.M. Gregores G. Grenier 7 Ph. Gris 2 J.-F. Grivaz 6 A. Grohsjean 4 S. Grünendahl M.W. Grünewald F. Guo J. Guo G. Gutierrez P. Gutierrez A. Haas P. Haefner S. Hagopian J. Haley L. Han K. Harder A. Harel J.M. Hauptman J. Hays T. Hebbeker D. Hedin 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 Y. Hu Z. Hubacek N. Huske 5 V. Hynek I. Iashvili R. Illingworth A.S. Ito S. Jabeen M. Jaffré 6 S. Jain D. Jamin 3 R. Jesik K. Johns M. Johnson D. Johnston A. Jonckheere P. Jonsson J. Joshi A. Juste K. Kaadze E. Kajfasz 3 D. Karmanov P.A. Kasper I. Katsanos R. Kehoe S. Kermiche 3 N. Khalatyan A. Khanov A. Kharchilava Y.N. Kharzheev D. Khatidze M.H. Kirby M. Kirsch J.M. Kohli A.V. Kozelov J. Kraus A. Kumar A. Kupco T. Kurca 7 V.A. Kuzmin J. Kvita S. Lammers G. Landsberg P. Lebrun 7 H.S. Lee W.M. Lee J. Lellouch 5 L. Li Q.Z. Li S.M. Lietti J.K. Lim D. Lincoln J. Linnemann V.V. Lipaev R. Lipton Yehan 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 4 R. Magana-Villalba S. Malik V.L. Malyshev Y. Maravin J. Martınez-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 T. Moulik G.-S. Muanza 3 M. Mulhearn E. Nagy 3 M. Naimuddin M. Narain R. Nayyar H.A. Neal J.P. Negret P. Neustroev H. Nilsen S.F. Novaes T. Nunnemann G. Obrant D. Onoprienko J. Orduna N. Osman J. Osta G.J. Otero y Garzon 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 6 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 6 K. Ranjan P.N. Ratoff I. Razumov P. Renkel P. Rich M. Rijssenbeek I. Ripp-Baudot F. Rizatdinova M. Rominsky C. Royon 4 P. Rubinov R. Ruchti G. Safronov G. Sajot 1 A. Sanchez-Hernandez M.P. Sanders B. Sanghi A.S. Santos G. Savage L. Sawyer T. Scanlon D. Schaile R.D. Schamberger Y. Scheglov H. Schellman T. Schliephake S. Schlobohm C. Schwanenberger R. Schwienhorst J. Sekaric H. Severini E. Shabalina V. Shary 4 A.A. Shchukin R.K. Shivpuri V. Simak V. Sirotenko P. Skubic P. Slattery D. Smirnov G.R. Snow J. Snow S. Snyder S. Söldner-Rembold L. Sonnenschein A. Sopczak M. Sosebee K. Soustruznik B. Spurlock J. Stark 1 V. Stolin D.A. Stoyanova E. Strauss M. Strauss R. Ströhmer D. Strom L. Stutte P. Svoisky M. Takahashi A. Tanasijczuk W. Taylor B. Tiller M. Titov 4 V.V. Tokmenin D. Tsybychev B. Tuchming 4 C. Tully P.M. Tuts R. Unalan L. Uvarov S. Uvarov S. Uzunyan R. van Kooten W.M. van Leeuwen N. Varelas E.W. Varnes I.A. Vasilyev P. Verdier 7 L.S. Vertogradov M. Verzocchi M. Vesterinen D. Vilanova 4 P. Vint P. Vokac H.D. Wahl M.H.L.S. Wang J. Warchol G. Watts M. Wayne G. Weber M. Weber M. Wetstein 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 H.D. Yoo S.W. Youn J. Yu S. Zelitch T. Zhao B. Zhou J. Zhu M. Zielinski D. Zieminska L. Zivkovic
1 LPSC - Laboratoire de Physique Subatomique et de Cosmologie
2 LPC - Laboratoire de Physique Corpusculaire - Clermont-Ferrand
3 CPPM - Centre de Physique des Particules de Marseille
4 IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers
5 LPNHE - Laboratoire de Physique Nucléaire et de Hautes Énergies
6 LAL - Laboratoire de l'Accélérateur Linéaire
7 IPNL - Institut de Physique Nucléaire de Lyon
Abstract : We present a new measurement of the $WZ\rightarrow \ell\nu\ell\ell$ ($\ell = e,\mu$) cross section and limits on anomalous triple gauge couplings. Using 4.1 fb$^{-1}$ of integrated luminosity of $p\bar{p}$ collisions at $\sqrt{s} = 1.96$ TeV, we observe 34 $WZ$ candidate events with an estimated background of $6.0 \pm 0.4$ events. We measure the $WZ$ production cross section to be $3.90^{+1.06}_{-0.90}$ pb, in good agreement with the standard model prediction. We find no evidence for anomalous $WWZ$ couplings and set 95% C.L. limits on the coupling parameters, $-0.075 < \lambda_{Z} < 0.093$ and $-0.027 < \Delta\kappa_{Z} < 0.080$, in the HISZ parameterization for a $\Lambda = 2$ TeV form factor scale. These are the best limits to date obtained from the direct measurement of the $WWZ$ vertex.
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http://hal.in2p3.fr/in2p3-00489761
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Submitted on : Monday, June 7, 2010 - 9:21:13 AM
Last modification on : Sunday, June 20, 2021 - 3:34:50 AM

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IN2P3 | LPC-CLERMONT | LPSC | CNRS | LAL | CPPM | UPMC | UNIV-AMU | PRES_CLERMONT | DSM-IRFU | CEA | UNIV-LYON1 | CEA-DRF | SORBONNE-UNIVERSITE | UNIV-PARIS7 | USPC | IP2I | UDL | UNIV-PARIS | GEPI | UP-SCIENCES | UGA | SU-TI | LPNHE | SU-SCIENCES

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V.M. Abazov, B. Abbott, M. Abolins, B.S. Acharya, M. Adams, et al.. Measurement of the $WZ\rightarrow \ell\nu\ell\ell$ cross section and limits on anomalous triple gauge couplings in $p\bar{p}$ collisions at $\sqrt{s}$ = 1.96 TeV. Physics Letters B, Elsevier, 2011, 695, pp.67-73. ⟨10.1016/j.physletb.2010.10.047⟩. ⟨in2p3-00489761⟩

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