Search for the Higgs boson in the H->WW->lvjj decay channel in pp collisions at sqrt{s} = 7 TeV with the ATLAS detector

G. Aad S. Albrand 1 M.L. Andrieux 1 B. Clement 1 J. Collot 1 S. Crépé-Renaudin 1 P.A. Delsart 1 J. Donini 1 J.Y. Hostachy 1 E. Laisne 1 F. Ledroit-Guillon 1 A. Lleres 1 A. Lucotte 1 F. Malek 1 P. Martin 1 F. Polci 1 J. Stark 1 X. Sun 1 B. Trocmé 1 C. Weydert 1 C. Biscarat 2 E. Cogneras 2 G. Rahal 2 H. Bachacou 3 F. Bauer 3 N. Besson 3 N.M. Bolnet 3 M. Boonekamp 3 L. Chevalier 3 J. Ernwein 3 A.I. Etienvre 3 A. Formica 3 L. Gauthier 3 F. Giraud 3 C. Guyot 3 S. Hassani 3 W. Kozanecki 3 E. Lancon 3 J.F. Laporte 3 E. Le Menedeu 3 M. Legendre 3 B. Mansoulie 3 J.-P. Meyer 3 N. Morange 3 E. Mountricha 3 Thi Hong 3 R. Nicolaidou 3 A. Ouraou 3 D.M. Pomarede 3 B. Resende 3 C.R. Royon 3 Ph. Schune 3 J. Schwindling 3 O. Simard 3 M. Virchaux 3 C. Xu 3 J. Yu 3 T. Beau 4 S. Bordoni 4 G. Calderini 4 A. Camard 4 P. Cavalleri 4 E. Chareyre 4 S. de Cecco 4 F. Derue 4 D. Imbault 4 M.W. Krasny 4 D. Lacour 4 B. Laforge 4 O. Le Dortz 4 J. Lellouch 4 G. Marchiori 4 I. Nikolic-Audit 4 J. Ocariz 4 M. Ridel 4 L. Roos 4 Ph. Schwemling 4 Timothée Theveneaux-Pelzer 4 S. Trincaz-Duvoid 4 T.N. Trinh 4 F. Vannucci 5 Emmanuel Busato 6 D. Calvet 6 S. Calvet 6 Reina Coromoto Camacho Toro 6 Diane Cinca 7 R. Febbraro 6 N. Ghodbane 6 C. Guicheney 6 H. Liao 6 D. Pallin 6 F. Podlyski 6 C. Santoni 6 L. P. Says 6 F. Vazeille 6 S. Aoun 8 C. P. Bee 8 C. Benchouk 8 K. Bernardet 8 N. Bousson 8 J. C. Clémens 8 Y. Coadou 8 P. Delpierre 8 F. Djama 8 F. Etienne 8 L. Feligioni 8 F. Henry-Couannier 8 D. Hoffmann 8 F. Hubaut 8 E.B. F. G. Knoops 8 E. Le Guirriec 8 B. Li 8 E. Monnier 8 J. Odier 8 E. Petit 8 P. Pralavorio 8 Z. Qian 8 A. Rozanov 8 M. Talby 8 N. Tannoury 8 S. Tisserant 8 J. Toth 8 F. Touchard 8 L. Vacavant 8 L. Aperio Bella 9 B. Aubert 9 N. Berger 9 J. Colas 9 L. Di Ciaccio 9 T.K.O. Doan 9 S. Elles 9 P. Ghez 9 M. Gouanère 9 C. Goy 9 T. Guillemin 9 L. Helary 9 T. Hryn'Ova 9 G. Ionescu 9 A. Jérémie 9 S. Jézéquel 9 M. Kataoka 9 J. Labbe 9 R. Lafaye 9 J. Leveque 9 N. Massol 9 P. Perrodo 9 H. Przysiezniak 9 G. Sauvage 9 E. Sauvan 9 T. Todorov 9 D. Tsionou 9 I. Wingerter-Seez 9 R. Zitoun 9 H. Abreu 10 N. Andari 10 C. Arnault 10 E. Augé 10 P. Barrillon 10 M. Benoit 10 S. Binet 10 J.-B. Blanchard 10 C. Bourdarios 10 D. Breton 10 C. Collard 11 C. de la Taille 10 J.B. de Vivie de Regie 10 S. Diglio 10 L. Duflot 10 M. Escalier 10 A.C. Falou 10 L. Fayard 10 D. Fournier 10 J.-F. Grivaz 10 M. Heller 10 S. Henrot-Versillé 10 J. Hrivnac 10 L. Iconomidou-Fayard 10 J. Idarraga 10 M. Kado 10 A. Lounis 10 N. Makovec 10 P. Matricon 10 F. Niedercorn 10 L. Poggioli 10 P. Puzo 10 A. Renaud 10 D. Rousseau 10 X. Ruan 10, 12 G. Rybkin 10 J.B. Sauvan 10 J. Schaarschmidt 10 A.C. Schaffer 10 L. Serin 10 S. Simion 10 R. Tanaka 10 J.J. Veillet 10 I. Vukotic 10 F. Wicek 10 D. Zerwas 10 Zhen Zhang 10
Abstract : A search for a Higgs boson has been performed in the H->WW->lvjj channel in 1.04/fb of pp collision data sqrt{s} = 7 TeV recorded with the ATLAS detector at the Large Hadron Collider. No significant excess of events is observed over the expected background and limits on the Higgs boson production cross section are derived for a Higgs boson mass in the range 240 GeV < mH < 600 GeV. The best sensitivity is reached for mH = 400 GeV, where the 95% confidence level upper bound on the cross section for H->WW production is 3.1 pb, or 2.7 times the Standard Model prediction.
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G. Aad, S. Albrand, M.L. Andrieux, B. Clement, J. Collot, et al.. Search for the Higgs boson in the H->WW->lvjj decay channel in pp collisions at sqrt{s} = 7 TeV with the ATLAS detector. Physical Review Letters, American Physical Society, 2011, 107, pp.231801. ⟨10.1103/PhysRevLett.107.231801⟩. ⟨in2p3-00624555⟩

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