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Search for $WH$ associated production in 5.3 fb$^{-1}$ of $p\bar{p}$ collisions at the Fermilab Tevatron

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 M. Arov A. Askew B. °asman O. Atramentov C. Avila J. Backusmayes F. Badaud 1 L. Bagby B. Baldin D.V. Bandurin S. Banerjee E. Barberis P. Baringer J. Barreto 2 J.F. Bartlett U. Bassler 3 V. Bazterra S. Beale A. Bean M. Begalli M. Begel C. Belanger-Champagne L. Bellantoni S.B. Beri G. Bernardi 4 R. Bernhard I. Bertram M. Besan¸con 3 R. Beuselinck V.A. Bezzubov P.C. Bhat V. Bhatnagar 5 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 4 J. Brown 4 X.B. Bu M. Buehler V. Buescher V. Bunichev S. Burdin 5 T.H. Burnett C.P. Buszello B. Calpas 6 E. Camacho-Pérez M.A. Carrasco-Lizarraga B.C.K. Casey H. Castilla-Valdez S. Chakrabarti 3 D. Chakraborty 7 K.M. Chan A. Chandra G. Chen S. Chevalier-Théry 3 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 3 M.-C. Cousinou 6 A. Croc 3 D. Cutts A. Das G. Davies K. De S.J. de Jong E. de la Cruz-Burelo F. d'Eliot 3 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 6 S. Dutt A. Dyshkant M. Eads D. Edmunds J. Ellison V.D. Elvira Y. Enari 4 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 Pascal Gay 1 W. Geist W. Geng 6 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 8 Ph. Gris 1 J.-F. Grivaz 5 A. Grohsjean 3 S. Gr¨unendahl M.W. Gr¨unewald F. Guo G. Gutierrez P. Gutierrez A. Haasc 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 M.D. Hildreth R. Hirosky T. Hoang J.D. Hobbs B. Hoeneisen M. Hohlfeld 5 S. Hossain Z. Hubacek 3 N. Huske 4 V. Hynek I. Iashvili R. Illingworth A.S. Ito S. Jabeen M. Jaffré 5 S. Jain D. Jamin 6 R. Jesik K. Johns M. Johnson D. Johnston A. Jonckheere P. Jonsson 8 J. Joshi A. Justed K. Kaadze E. Kajfasz 6 D. Karmanov P.A. Kasper I. Katsanos R. Kehoe S. Kermiche 6 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. Kurca 8 V.A. Kuzmin J. Kvita S. Lammers G. Landsberg P. Lebrun 8 H.S. Lee S.W. Lee W.M. Lee J. Lellouch 4 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-Garciae A.L. Lyon A.K.A. Maciel D. Mackin R. Madar 3 R. Maga˜na-Villalba S. Malik V.L. Malyshev Y. Maravin J. Mart'Inez-Ortega R. Mccarthy C.L. Mcgivern M.M. Meijer A. Melnitchouk D. Menezes P.G. Mercadante M. Merkin A. Meyer J. Meyer F. Miconi N.K. Mondal G.-S. Muanza 6 M. Mulhearn E. Nagy 6 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 Garz'On M. Owen M. Padilla M. Pangilinan N. Parashar V. Parihar S.K. Park J. Parsons R. Partridgec N. Parua 9 A. Patwa B. Penning M. Perfilov K. Peters Y. Peters G. Petrillo P. Petroff 5 R. Piegaia J. Piper M.-A. Pleier P.L.M. Podesta-Lermaf V.M. Podstavkov M.-E. Pol P. Polozov A.V. Popov M. Prewitt D. Price S. Protopopescu 5 J. Qian A. Quadt B. Quinn M.S. Rangel 5 K. Ranjan P.N. Ratoff I. Razumov P. Renkel M. Rijssenbeek I. Ripp-Baudot F. Rizatdinova M. Rominsky C. Royon 3 P. Rubinov R. Ruchti G. Safronov G. Sajot 9 A. S'Anchez-Hern'Andez M.P. Sanders 4 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 3 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 4 A. Sopczak M. Sosebee K. Soustruznik B. Spurlock J. Stark 9 V. Stolin D.A. Stoyanova M. Strauss D. Strom L. Stutte L. Suter P. Svoisky M. Takahashi A. Tanasijczuk W. Taylor M. Titov 3 V.V. Tokmenin Y.-T. Tsai D. Tsybychev B. Tuchming 3 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 8 L.S. Vertogradov M. Verzocchi M. Vesterinen D. Vilanova 3 P. Vint P. Vokac H.D. Wahl M.H.L.S. Wang J. Warchol G. Watts M. Wayne 5 M. Weberg L. Welty-Rieger A. White D. Wicke M.R.J. Williams G.W. Wilson S.J. Wimpenny M. Wobisch D.R. Wood 5 T.R. Wyatt Y. Xie C. Xu 5 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
Abstract : We present a search for associated production of Higgs and $W$ bosons in $p\bar{p}$ collisions at a center of mass energy of $\sqrt{s}=1.96$ TeV in 5.3 fb$^{-1}$ of integrated luminosity recorded by the D0 experiment. Multivariate analysis techniques are applied to events containing one lepton, an imbalance in transverse energy, and one or two $b$-tagged jets to discriminate a potential $WH$ signal from standard model backgrounds. We observe good agreement between data and background, and set an upper limit of 4.5(at 95% confidence level and for $m_H=115$ GeV) on the ratio of the $WH$ cross section multiplied by the branching fraction of $H \rightarrow b \bar{b}$ to its standard model prediction. A limit of 4.8 is expected from simulation.
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V.M. Abazov, B. Abbott, B.S. Acharya, M. Adams, T. Adams, et al.. Search for $WH$ associated production in 5.3 fb$^{-1}$ of $p\bar{p}$ collisions at the Fermilab Tevatron. Physics Letters B, Elsevier, 2011, 698, pp.6-13. ⟨10.1016/j.physletb.2011.02.036⟩. ⟨in2p3-00544121⟩

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