Search for the decay of the Higgs boson to a pair of light pseudoscalar bosons in the final state with four bottom quarks in proton-proton collisions at s = 13 TeV

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dc.contributor.authorHayrapetyan, A.
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorAndrejkovic, J.W.
dc.contributor.authorBergauer, T.
dc.contributor.authorChatterjee, S.
dc.contributor.authorDamanakis, K.
dc.date.accessioned2026-04-25T14:13:19Z
dc.date.available2026-04-25T14:13:19Z
dc.date.issued2024
dc.departmentSinop Üniversitesi
dc.description.abstractA search is presented for the decay of the 125 GeV Higgs boson (H) to a pair of new light pseudoscalar bosons (a), followed by the prompt decay of each a boson to a bottom quark-antiquark pair, H→aa→bb¯bb¯. The analysis is performed using a data sample of proton-proton collisions collected with the CMS detector at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 138 fb−1. To reduce the background from standard model processes, the search requires the Higgs boson to be produced in association with a leptonically decaying W or Z boson. The analysis probes the production of new light bosons in a 15 < ma < 60 GeV mass range. Assuming the standard model predictions for the Higgs boson production cross sections for pp → WH and ZH, model independent upper limits at 95% confidence level are derived for the branching fraction BH→aa→bb¯bb¯. The combined WH and ZH observed upper limit on the branching fraction ranges from 1.10 for ma = 20 GeV to 0.36 for ma = 60 GeV, complementing other measurements in the μμττ, ττττ and bbℓℓ (ℓ = μ, τ) channels. © The Author(s) 2024.
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dc.description.sponsorshipMissouri University of Science and Technology, MST
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dc.identifier.doi10.1007/JHEP06(2024)097
dc.identifier.issn1029-8479
dc.identifier.issue6
dc.identifier.scopus2-s2.0-105008509597
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1007/JHEP06(2024)097
dc.identifier.urihttps://hdl.handle.net/11486/8001
dc.identifier.volume2024
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer Science and Business Media Deutschland GmbH
dc.relation.ispartofJournal of High Energy Physics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_Scopus_20260420
dc.subjectBeyond Standard Model
dc.subjectHadron-Hadron Scattering
dc.subjectSupersymmetry
dc.titleSearch for the decay of the Higgs boson to a pair of light pseudoscalar bosons in the final state with four bottom quarks in proton-proton collisions at s = 13 TeV
dc.typeArticle

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