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Search for Dark Matter Particles Produced in Association with a Top Quark Pair at s =13 TeV

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dc.contributor.authorSirunyan, A. M.
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorAmbrogi, F.
dc.contributor.authorMatveev, V.
dc.contributor.authorChistov, R.
dc.contributor.authorDanilov, M.
dc.contributor.authorParygin, P.
dc.contributor.authorPhilippov, D.
dc.contributor.authorPolikarpov, S.
dc.contributor.authorTarkovskii, E.
dc.contributor.authorAzarkin, M.
dc.contributor.authorDremin, I.
dc.contributor.authorKirakosyan, M.
dc.contributor.authorМатвеев, Виктор Анатольевич
dc.contributor.authorЧистов, Руслан Николаевич
dc.contributor.authorДанилов, Михаил Владимирович
dc.contributor.authorПоликарпов, Сергей Михайлович
dc.date.accessioned2024-11-20T09:18:25Z
dc.date.available2024-11-20T09:18:25Z
dc.date.issued2019
dc.description.abstract© 2019 CERN, for the CMS Collaboration. A search is performed for dark matter particles produced in association with a top quark pair in proton-proton collisions at s=13 TeV. The data correspond to an integrated luminosity of 35.9 fb-1 recorded by the CMS detector at the LHC. No significant excess over the standard model expectation is observed. The results are interpreted using simplified models of dark matter production via spin-0 mediators that couple to dark matter particles and to standard model quarks, providing constraints on the coupling strength between the mediator and the quarks. These are the most stringent collider limits to date for scalar mediators, and the most stringent for pseudoscalar mediators at low masses.
dc.identifier.citationSearch for Dark Matter Particles Produced in Association with a Top Quark Pair at s =13 TeV / Sirunyan, A.M. [et al.] // Physical Review Letters. - 2019. - 122. - № 1. - 10.1103/PhysRevLett.122.011803
dc.identifier.doi10.1103/PhysRevLett.122.011803
dc.identifier.urihttps://www.doi.org/10.1103/PhysRevLett.122.011803
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85059833850&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000455687000009
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/16451
dc.relation.ispartofPhysical Review Letters
dc.titleSearch for Dark Matter Particles Produced in Association with a Top Quark Pair at s =13 TeV
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue1
oaire.citation.volume122
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