Search For Dark Matter Produced in Association With a Leptonically Decaying Z Boson in Proton-Proton Collisions at root s=13TeV

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dc.authorid291820en_US
dc.contributor.authorGüler, Emine Gürpınar
dc.contributor.authorCMS Collaboration
dc.date.accessioned2021-04-19T12:15:43Z
dc.date.available2021-04-19T12:15:43Z
dc.date.issued2021
dc.departmentİstanbul Beykent Üniversitesien_US
dc.description.abstractA search for dark matter particles is performed using events with a Z boson candidate and large missing transverse momentum. The analysis is based on proton-proton collision data at a center-of-mass energy of 13 TeV, collected by the CMS experiment at the LHC in 2016-2018, corresponding to an integrated luminosity of 137 fb(-1). The search uses the decay channels Z -> ee and Z -> mu mu. No significant excess of events is observed over the background expected from the standard model. Limits are set on dark matter particle production in the context of simplified models with vector, axial-vector, scalar, and pseudoscalar mediators, as well as on a two-Higgs-doublet model with an additional pseudoscalar mediator. In addition, limits are provided for spin-dependent and spin-independent scattering cross sections and are compared to those from direct-detection experiments. The results are also interpreted in the context ofmodels of invisible Higgs boson decays, unparticles, and large extra dimensions.en_US
dc.identifier.citationEur. Phys. J. C (2021) 81:13en_US
dc.identifier.doi10.1140/epjc/s10052-020-08739-5
dc.identifier.issn1029-8479
dc.identifier.pmid33493254en_US
dc.identifier.scopus2-s2.0-85099373612en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1140/epjc/s10052-020-08739-5
dc.identifier.wosWOS:000610446600003en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherSPRINGERen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.subjectExperimental Physicsen_US
dc.titleSearch For Dark Matter Produced in Association With a Leptonically Decaying Z Boson in Proton-Proton Collisions at root s=13TeVen_US
dc.typeArticleen_US

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