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Abstract: A search for charged Higgs boson decaying to a charm and a bottom quark (H +? c b ¯) is performed using 19.7 fb?1 of pp collision data at s=8 TeV. The production mechanism investigated in this search is t t ¯ pair production in which one top quark decays to a charged Higgs boson and a bottom quark and the other decays to a charged lepton, a neutrino, and a bottom quark. Charged Higgs boson decays to c b ¯ are searched for, resulting in a final state containing at least four jets, a charged lepton (muon or electron), and missing transverse momentum. A kinematic fit is performed to identify the pair of jets least likely to be the bottom quarks originating from direct top quark decays and the invariant mass of this pair is used as the final observable in the search. No evidence for the presence of a charged Higgs boson is observed and upper limits at 95% confidence level of 0.8?0.5% are set on the branching fraction ?(t ? H+b), assuming ?(H+ ? c b ¯) = 1.0 and ?(t ? H+b) + ?(t ? Wb) = 1.0, for the charged Higgs boson mass range 90?150 GeV.
Fuente: Journal of High Energy Physics, Vol. 2018, Num. 11, Art. Num. 115
Publisher: Springer Verlag
Publication date: 20/11/2018
No. of pages: 38
Publication type: Artículo de Revista
DOI: 10.1007/JHEP11(2018)115
ISSN: 1126-6708,1029-8479
Publication Url: https://doi.org/10.1007/JHEP11(2018)115
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SIRUNYAN, A. M.
JOSE IBAN CABRILLO BARTOLOME
ALICIA CALDERON TAZON
BARBARA CHAZIN QUERO
JORGE DUARTE CAMPDERROS
MARCOS FERNANDEZ GARCIA
PEDRO JOSE FERNANDEZ MANTECA
ANDREA GARCIA ALONSO
JUAN GARCIA FERRERO
GERVASIO GOMEZ GRAMUGLIO
MARIA AMPARO LOPEZ VIRTO
JESUS MARCO DE LUCAS
CELSO MARTINEZ RIVERO
PABLO MARTINEZ RUIZ DEL ARBOL
FRANCISCO MATORRAS WEINIG
JONATAN PIEDRA GOMEZ
CEDRIC GERALD PRIEELS
MARIA TERESA RODRIGO ANORO
ALBERTO RUIZ JIMENO
LUCA SCODELLARO
NICOLO TREVISANI
IVAN VILA ALVAREZ
ROCIO VILAR CORTABITARTE
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