Search for heavy resonances and quantum black holes in e?, e?, and ?? final states in proton-proton collisions at ?s = 13 TeV

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dc.authorid0000-0002-9007-8260en_US
dc.contributor.authorYetkin, Elif Aslı
dc.date.accessioned2024-06-03T09:48:10Z
dc.date.available2024-06-03T09:48:10Z
dc.date.issued2023-06
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractA search is reported for heavy resonances and quantum black holes decaying into e?, e?, and ?? final states in proton-proton collision data recorded by the CMS experiment at the CERN LHC during 2016–2018 at s = 13 TeV, corresponding to an integrated luminosity of 138 fb?1. The e?, e?, and ?? invariant mass spectra are reconstructed, and no evidence is found for physics beyond the standard model. Upper limits are set at 95% confidence level on the product of the cross section and branching fraction for lepton flavor violating signals. Three benchmark signals are studied: resonant ? sneutrino production in R parity violating supersymmetric models, heavy Z? gauge bosons with lepton flavor violating decays, and nonresonant quantum black hole production in models with extra spatial dimensions. Resonant ? sneutrinos are excluded for masses up to 4.2TeV in the e? channel, 3.7TeV in the e? channel, and 3.6TeV in the ?? channel. A Z? boson with lepton flavor violating couplings is excluded up to a mass of 5.0TeV in the e? channel, up to 4.3Te V in the e? channel, and up to 4.1TeV in the ?? channel. Quantum black holes in the benchmark model are excluded up to the threshold mass of 5.6TeV in the e? channel, 5.2TeV in the e? channel, and 5.0TeV in the ?? channel. In addition, model-independent limits are extracted to allow comparisons with other models for the same final states and similar event selection requirements. The results of these searches provide the most stringent limits available from collider experiments for heavy particles that undergo lepton flavor violating decays. [Figure not available: see fulltext.]. © 2023, The Author(s).en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1007/JHEP05(2023)227
dc.identifier.issn1029-8479
dc.identifier.scopus2-s2.0-85168283181en_US
dc.identifier.urihttps://hdl.handle.net/11411/5354
dc.identifier.urihttps://doi.org/10.1007/JHEP05(2023)227
dc.identifier.wosWOS:001022337800001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.issue5en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors100+en_US
dc.publisherSpringer Science and Business Media Deutschland GmbHen_US
dc.relation.ispartofJournal of High Energy Physicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectBeyond Standard Modelen_US
dc.subjectHadron-Hadron Scatteringen_US
dc.titleSearch for heavy resonances and quantum black holes in e?, e?, and ?? final states in proton-proton collisions at ?s = 13 TeV
dc.typeArticle
dc.volume2023en_US

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