Search for a heavy Higgs boson decaying into two lighter Higgs bosons in the tau tau bb final state at 13 TeV

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The CMS Collaboration , Tumasyan , A , Adam , W , Eerola , P , Forthomme , L , Kirschenmann , H , Österberg , K , Voutilainen , M , Bharthuar , S , Brücken , E , Garcia , F , Havukainen , J , Heikkilä , J , Kim , M , Kinnunen , R , Lampén , T , Lassila-Perini , K , Laurila , S , Lehti , S , Lindén , T , Lotti , M , Luukka , P , Martikainen , L , Myllymäki , M E J , Ott , J , Pekkanen , J , Siikonen , H , Tuominen , E , Tuominiemi , J , Viinikainen , J , Petrow , H & Tuuva , T 2021 , ' Search for a heavy Higgs boson decaying into two lighter Higgs bosons in the tau tau bb final state at 13 TeV ' , Journal of High Energy Physics , no. 11 , 057 . https://doi.org/10.1007/JHEP11(2021)057

Title: Search for a heavy Higgs boson decaying into two lighter Higgs bosons in the tau tau bb final state at 13 TeV
Author: The CMS collaboration; Tumasyan, A.; Adam, W.; Eerola, P.; Forthomme, Laurent; Kirschenmann, H.; Österberg, K.; Voutilainen, M.; Bharthuar, Shudhashil; Brücken, Erik; Garcia, F.; Havukainen, J.; Heikkilä, Jaana; Kim, Minsuk; Kinnunen, R.; Lampén, T.; Lassila-Perini, K.; Laurila, S.; Lehti, S.; Lindén, T.; Lotti, Mikko; Luukka, P.; Martikainen, Laura; Myllymäki, Mikael Erkki Johannes; Ott, Jennifer; Pekkanen, Juska; Siikonen, H.; Tuominen, E.; Tuominiemi, J.; Viinikainen, Jussi; Petrow, H.; Tuuva, T.
Contributor organization: Department of Physics
Helsinki Institute of Physics
Date: 2021-11-09
Language: eng
Number of pages: 54
Belongs to series: Journal of High Energy Physics
ISSN: 1029-8479
DOI: https://doi.org/10.1007/JHEP11(2021)057
URI: http://hdl.handle.net/10138/337639
Abstract: A search for a heavy Higgs boson H decaying into the observed Higgs boson h with a mass of 125 GeV and another Higgs boson h(S) is presented. The h and h(S) bosons are required to decay into a pair of tau leptons and a pair of b quarks, respectively. The search uses a sample of proton-proton collisions collected with the CMS detector at a center-of-mass energy of 13TeV, corresponding to an integrated luminosity of 137 fb(-1). Mass ranges of 240-3000 GeV for m(H) and 60-2800 GeV for m(hS) are explored in the search. No signal has been observed. Model independent 95% confidence level upper limits on the product of the production cross section and the branching fractions of the signal process are set with a sensitivity ranging from 125 fb (for m(H) = 240 GeV) to 2.7 fb (for m(H) = 1000 GeV). These limits are compared to maximally allowed products of the production cross section and the branching fractions of the signal process in the next-to-minimal supersymmetric extension of the standard model.
Subject: 114 Physical sciences
Hadron-Hadron scattering (experiments)
Higgs physics
BROKEN SYMMETRIES
EXTENSION
PROGRAM
MASSES
WIDTHS
MODEL
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion


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