Searches for physics beyond the standard model with the MT2 variable in hadronic final states with and without disappearing tracks in proton-proton collisions at s=13Te

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dc.authorid0000-0002-2614-5860en_US
dc.contributor.authorSirunyan, A. M.
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorAmbrogi, F.
dc.contributor.authorBergauer, T.
dc.contributor.authorSağır, Sinan
dc.date.accessioned2020-03-11T08:13:02Z
dc.date.available2020-03-11T08:13:02Z
dc.date.issued2019en_US
dc.departmentKMÜ, Sağlık Hizmetleri Meslek Yüksekokulu, Tıbbi Hizmetler ve Teknikler Bölümüen_US
dc.descriptionWOS:000513143600002en_US
dc.descriptionPubMed ID:31976987en_US
dc.description.abstractTwo related searches for phenomena beyond the standard model (BSM) are performed using events with hadronic jets and significant transverse momentum imbalance. The results are based on a sample of proton-proton collisions at a center-of-mass energy of 13Te, collected by the CMS experiment at the LHC in 2016-2018 and corresponding to an integrated luminosity of 137fb-1. The first search is inclusive, based on signal regions defined by the hadronic energy in the event, the jet multiplicity, the number of jets identified as originating from bottom quarks, and the value of the kinematic variable MT2 for events with at least two jets. For events with exactly one jet, the transverse momentum of the jet is used instead. The second search looks in addition for disappearing tracks produced by BSM long-lived charged particles that decay within the volume of the tracking detector. No excess event yield is observed above the predicted standard model background. This is used to constrain a range of BSM models that predict the following: the pair production of gluinos and squarks in the context of supersymmetry models conserving R-parity, with or without intermediate long-lived charginos produced in the decay chain; the resonant production of a colored scalar state decaying to a massive Dirac fermion and a quark; or the pair production of scalar and vector leptoquarks each decaying to a neutrino and a top, bottom, or light-flavor quark. In most of the cases, the results obtained are the most stringent constraints to date.en_US
dc.identifier.citationSirunyan, A. M., Tumasyan, A., Adam, W., Ambrogi, F., Bergauer, T. Sağır,S.(2019). Searches for physics beyond the standard model with the MT2 variable in hadronic final states with and without disappearing tracks in proton-proton collisions at s=13Te.European Physical Journal C: Particles and Fields, 80;3.en_US
dc.identifier.doi10.1140/epjc/s10052-019-7493-x
dc.identifier.issn1434-6044
dc.identifier.issn1434-6052
dc.identifier.issue3en_US
dc.identifier.pmid31976987
dc.identifier.scopus2-s2.0-85077306984
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1140/epjc/s10052-019-7493-x
dc.identifier.urihttps://hdl.handle.net/11492/3399
dc.identifier.volume80en_US
dc.identifier.wosWOS:000513143600002
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Sceince
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorSağır, Sinan
dc.language.isoen
dc.publisherSpringer Verlagen_US
dc.relation.journalEuropean Physical Journal C: Particles and Fieldsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectSupersymmetryen_US
dc.subjectLeptoquarksen_US
dc.subjectInvarianten_US
dc.subjectExtensionen_US
dc.subjectSquarken_US
dc.titleSearches for physics beyond the standard model with the MT2 variable in hadronic final states with and without disappearing tracks in proton-proton collisions at s=13Teen_US
dc.typeArticle

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