Search for dark matter inproton-proton collisions at 8 TeV with missing transverse momentum and vector boson tagged jets

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dc.WoS.categoriesPhysics, Particles & Fieldsen_US
dc.authorid0000-0002-9007-8260en_US
dc.contributor.authorYetkin, Elif Aslı
dc.date.accessioned2020-11-02T10:16:46Z
dc.date.available2020-11-02T10:16:46Z
dc.date.issued2016-12-16
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractA search is presented for an excess of events with large missing transverse momentum in association with at least one highly energetic jet, in a data sample of protonproton collisions at a centre-of-mass energy of 8 TeV. The data correspond to an integrated luminosity of 19.7 fb(-1) collected by the CMS experiment at the LHC. The results are interpreted using a set of simplified models for the production of dark matter via a scalar, pseudoscalar, vector, or axial vector mediator. Additional sensitivity is achieved by tagging events consistent with the jets originating from a hadronically decaying vector boson. This search uses jet substructure techniques to identify hadronically decaying vector bosons in both Lorentz-boosted and resolved scenarios. This analysis yields improvements of 80% in terms of excluded signal cross sections with respect to the previous CMS analysis using the same data set. No significant excess with respect to the standard model expectation is observed and limits are placed on the parameter space of the simplified models. Mediator masses between 80 and 400 GeV in the scalar and pseudoscalar models, and up to 1.5 TeV in the vector and axial vector models, are excluded.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1007/JHEP12(2016)083en_US
dc.identifier.issn1029-8479
dc.identifier.scopus2-s2.0-85007013194en_US
dc.identifier.urihttps://hdl.handle.net/11411/2398
dc.identifier.urihttps://doi.org/10.1007/JHEP12(2016)083
dc.identifier.wosWOS:000399443700002en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.issue12en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors100+en_US
dc.publisherSpringeren_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.subjectDark matteren_US
dc.subjectHadron-Hadron scattering (experiments)en_US
dc.titleSearch for dark matter inproton-proton collisions at 8 TeV with missing transverse momentum and vector boson tagged jetsen_US
dc.typeArticleen_US

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