Search for a Charged Higgs Boson Produced in the Vector-boson Fusion Mode with Decay $H^\pm \to W^\pm Z$ using $pp$ Collisions at $\sqrt{s}=8$ TeV with the ATLAS Experiment

G. Aad 1 L. Alio 1 M. Barbero 1 Y. Coadou 1 C. Diaconu 1 S. Diglio 1 F. Djama 1 O. A. Duccu 1 L. Feligioni 1 J. Gao 1 G.D. Hallewell 1 F. Hubaut 1 S.J. Kahn 1 E. B. F. G. Knoops 1 E. Le Guirriec 1 J. Liu 1 K. Liu 1 D. Madaffari 1 K. Mochizuki 1 E. Monnier 1 S. Muanza 1 Y. Nagai 1 E. Nagy 1 P. Pralavorio 1 A. Rozanov 1 T. Serre 1 M. Talby 1 R.E. Ticse Torres 1 E. Tiouchichine 1 S. Tisserant 1 J. Toth 1 F. Touchard 1 L. Vacavant 1 Z. Barnovska 2 N. Berger 2 M. Delmastro 2 L. Di Ciaccio 2 S. Elles 2 T. Hryn’ova 2 S. Jézéquel 2 I. Koletsou 2 R. Lafaye 2 J. Leveque 2 N. Massol 2 G. Sauvage 2 E. Sauvan 2 O. Simard 2 T. Todorov 2 I. Wingerter-Seez 2 E. Yatsenko 2 S. Abdel Khalek 3 M.K. Ayoub 3 A. Bassalat 3 C. Becot 3 S. Binet 3 C. Bourdarios 3 D. Charfeddine 3 J.B. de Vivie De Regie 3 D. Delgove 3 L. Duflot 3 M. Escalier 3 L. Fayard 3 D. Fournier 3 E.L. Gkougkousis 3 J.-F. Grivaz 3 T. Guillemin 3 F. Hariri 3 S. Henrot-Versillé 3 J. Hrivnac 3 L. Iconomidou-Fayard 3 M. Kado 3 A. Lounis 3 N. Makovec 3 N. Morange 3 C. Nellist 3 L. Poggioli 3 P. Puzo 3 A. Renaud 3 D. Rousseau 3 G. Rybkin 3 A.C. Schaffer 3 E. Scifo 3 L. Serin 3 S. Simion 3 R. Tanaka 3 H.L. Tran 3 D. Zerwas 3 Zhen Zhang 3 Y. Zhao 3 S. Albrand 4 J. Brown 4 J. Collot 4 S. Crépé-Renaudin 4 P.A. Delsart 4 C. Gabaldon 4 M.H. Genest 4 J.Y. Hostachy 4 F. Ledroit-Guillon 4 A. Lleres 4 A. Lucotte 4 F. Malek 4 C. Monini 4 J. Stark 4 B. Trocmé 4 M. Wu 4
Abstract : A search for a charged Higgs boson, $H^\pm$, decaying to a $W^\pm$ boson and a $Z$ boson is presented. The search is based on 20.3 fb$^{-1}$ of proton-proton collision data at a center-of-mass energy of 8 TeV recorded with the ATLAS detector at the LHC. The $H^\pm$ boson is assumed to be produced via vector-boson fusion and the decays $W^\pm \to q\bar{q^\prime}$ and $Z\rightarrow e^+e^-/\mu^+\mu^-$ are considered. The search is performed in a range of charged Higgs boson masses from 200 to 1000 GeV. No evidence for the production of an $H^\pm$ boson is observed. Upper limits of 31-1020 fb at 95% CL are placed on the cross section for vector-boson fusion production of an $H^\pm$ boson times its branching fraction to $W^\pm Z$. The limits are compared with predictions from the Georgi-Machacek Higgs Triplet Model.
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Physical Review Letters, American Physical Society, 2015, 114 (23), pp.231801. 〈10.1103/PhysRevLett.114.231801〉
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Soumis le : mardi 17 mars 2015 - 09:48:09
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G. Aad, L. Alio, M. Barbero, Y. Coadou, C. Diaconu, et al.. Search for a Charged Higgs Boson Produced in the Vector-boson Fusion Mode with Decay $H^\pm \to W^\pm Z$ using $pp$ Collisions at $\sqrt{s}=8$ TeV with the ATLAS Experiment. Physical Review Letters, American Physical Society, 2015, 114 (23), pp.231801. 〈10.1103/PhysRevLett.114.231801〉. 〈in2p3-01132356〉

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