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Search for a light charged Higgs boson decaying to c s-bar in pp collisions at sqrt(s) = 8 TeV

Khachatryan, Vardan; Morović, Srećko; Ferenček, Dinko; Đurić, Senka; Godinović, Nikola; Lelas, Damir; Puljak, Ivica; Ribeiro Cipriano, Pedro Miguel; Antunović, Željko; Kovač, Marko; Brigljević, Vuko; Kadija, Krešo; Luetić, Jelena; Mićanović, Saša; Sudić, Lucija; Woods, Nate (2015) Search for a light charged Higgs boson decaying to c s-bar in pp collisions at sqrt(s) = 8 TeV. Journal of High Energy Physics, 2015 (12). 178-1-178-37. ISSN 1029-8479

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A search for a light charged Higgs boson, originating from the decay of a top quark and subsequently decaying into a charm quark and a strange antiquark, is presented. The data used in the analysis correspond to an integrated luminosity of 19.7 inverse femtobarns recorded in proton-proton collisions at sqrt(s) = 8 TeV by the CMS experiment at the LHC. The search is performed in the process t t-bar to W+/- b H-/+ b-bar, where the W boson decays to a lepton (electron or muon) and a neutrino. The decays lead to a final state comprising an isolated lepton, at least four jets and large missing transverse energy. No significant deviation is observed in the data with respect to the standard model predictions, and model-independent upper limits are set on the branching fraction B(t to H+ b), ranging from 1.2 to 6.5% for a charged Higgs boson with mass between 90 and 160 GeV, under the assumption that B(H+ to c s-bar) = 100%.

Item Type: Article
Uncontrolled Keywords: High energy physics ; Experimental particle physics ; LHC ; CMS ; Standard Model
Subjects: NATURAL SCIENCES > Physics
Divisions: Division of Experimental Physics
Project titleProject leaderProject codeProject type
Mjerenje svojstava Higgsovog bozona i potraga za novom fizikom detektorom CMS-HIGGSPROIvica PuljakIP-2013-11-7118HRZZ
Potraga za novim standardnim modelom elementarnih čestica na LHC-u: od preciznih mjerenja elektroslabih procesa do direktnih potraga za novom fizikom-Vuko BrigljevićIS-09.01/346HRZZ
Depositing User: Srećko Morović
Date Deposited: 07 Sep 2017 13:49
DOI: 10.1007/JHEP12(2015)178

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