Search for light long-lived particles decaying to displaced jets in proton-proton collisions at √s = 13.6 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.accessioned2025-03-23T19:16:36Z
dc.date.available2025-03-23T19:16:36Z
dc.date.issued2025
dc.departmentSinop Üniversitesi
dc.description.abstractA search for light long-lived particles (LLPs) decaying to displaced jets is presented, using a data sample of proton-proton collisions at a center-of-mass energy of 13.6 TeV, corresponding to an integrated luminosity of 34.7 fb−1, collected with the CMS detector at the CERN LHC in 2022. Novel trigger, reconstruction, and machine-learning techniques were developed for and employed in this search. After all selections, the observations are consistent with the background predictions. Limits are presented on the branching fraction of the Higgs boson to LLPs that subsequently decay to quark pairs or tau lepton pairs. An improvement by up to a factor of 10 is achieved over previous limits for models with LLP masses smaller than 60 GeV and proper decay lengths smaller than 1 m. The first constraints are placed on the fraternal twin Higgs (FTH) and folded supersymmetry (FSUSY) models, where the lower bounds on the top quark partner mass reach up to 350 GeV for the FTH model and 250 GeV for the FSUSY model. © 2025 The Author(s). Published by IOP Publishing Ltd.
dc.identifier.doi10.1088/1361-6633/adaa13
dc.identifier.issn0034-4885
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85218931547
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1088/1361-6633/adaa13
dc.identifier.urihttps://hdl.handle.net/11486/4154
dc.identifier.volume88
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherInstitute of Physics
dc.relation.ispartofReports on Progress in Physics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_Scopus_20250323
dc.subjectCMS
dc.subjectdisplaced jets
dc.subjectexotic Higgs decays
dc.subjectLLP
dc.titleSearch for light long-lived particles decaying to displaced jets in proton-proton collisions at √s = 13.6 TeV
dc.typeArticle

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