Search for a light charged Higgs boson in the H-+/- -> cs channel in proton-proton collisions at root s=13 TeV

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http://hdl.handle.net/10138/322887

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The CMS Collaboration , Eerola , P , Forthomme , L , Kirschenmann , H , Osterberg , K , Voutilainen , M , Brucken , E , Garcia , F , Havukainen , J , Karimäki , V , Kim , M S , Kinnunen , R , Lampen , T , Lassila-Perini , K , Laurila , S , Lehti , S , Linden , T , Siikonen , H , Tuominen , E , Tuominiemi , J , Luukka , P , Viinikainen , J , Tuuva , T & Sirunyan , A M 2020 , ' Search for a light charged Higgs boson in the H-+/- - > cs channel in proton-proton collisions at root s=13 TeV ' , Physical Review D , vol. 102 , no. 7 , 072001 . https://doi.org/10.1103/PhysRevD.102.072001

Title: Search for a light charged Higgs boson in the H-+/- -> cs channel in proton-proton collisions at root s=13 TeV
Author: The CMS collaboration; Eerola, P.; Forthomme, L.; Kirschenmann, H.; Osterberg, K.; Voutilainen, M.; Brucken, E.; Garcia, F.; Havukainen, J.; Karimäki, Veikko; Kim, M. S.; Kinnunen, R.; Lampen, T.; Lassila-Perini, K.; Laurila, S.; Lehti, S.; Linden, T.; Siikonen, H.; Tuominen, E.; Tuominiemi, J.; Luukka, P.; Viinikainen, J.; Tuuva, T.; Sirunyan, A. M.
Contributor: University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Eija Tuominen / Principal Investigator
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, University of Illinois, Chicago
Date: 2020-10-05
Language: eng
Number of pages: 26
Belongs to series: Physical Review D
ISSN: 2470-0010
URI: http://hdl.handle.net/10138/322887
Abstract: A search is conducted for a low-mass charged Higgs boson produced in a top quark decay and subsequently decaying into a charm and a strange quark. The data sample was recorded in proton-proton collisions at root s = 13 TeV by the CMS experiment at the LHC and corresponds to an integrated luminosity of 35.9 fb(-1). The search is performed in the process of top quark pair production, where one top quark decays to a bottom quark and a charged Higgs boson and the other to a bottom quark and a W boson. With the W boson decaying to a charged lepton (electron or muon) and a neutrino, the final state comprises an isolated lepton, missing transverse momentum, and at least four jets, of which two are tagged as b jets. To enhance the search sensitivity, one of the jets originating from the charged Higgs boson is required to satisfy a charm tagging selection. No significant excess beyond standard model predictions is found in the dijet invariant mass distribution. An upper limit in the range 1.68%-0.25% is set on the branching fraction of the top quark decay to the charged Higgs boson and bottom quark for a charged Higgs boson mass between 80 and 160 GeV.
Subject: 114 Physical sciences
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