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Search for direct pair production of supersymmetric partners to the τ lepton in proton–proton collisions at √s=13TeV

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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.authorChadeeva, M.
dc.contributor.authorParygin, P.
dc.contributor.authorPhilippov, D.
dc.contributor.authorPopova, E.
dc.contributor.authorRusinov, V.
dc.contributor.authorМатвеев, Виктор Анатольевич
dc.contributor.authorЧадеева, Марина Валентиновна
dc.contributor.authorРусинов, Владимир Юрьевич
dc.date.accessioned2024-11-25T16:44:26Z
dc.date.available2024-11-25T16:44:26Z
dc.date.issued2020
dc.description.abstract© 2020, CERN for the benefit of the CMS collaboration.A search is presented for τ slepton pairs produced in proton–proton collisions at a center-of-mass energy of 13TeV. The search is carried out in events containing two τ leptons in the final state, on the assumption that each τ slepton decays primarily to a τ lepton and a neutralino. Events are considered in which each τ lepton decays to one or more hadrons and a neutrino, or in which one of the τ leptons decays instead to an electron or a muon and two neutrinos. The data, collected with the CMS detector in 2016 and 2017, correspond to an integrated luminosity of 77.2fb-1. The observed data are consistent with the standard model background expectation. The results are used to set 95% confidence level upper limits on the cross section for τ slepton pair production in various models for τ slepton masses between 90 and 200GeV and neutralino masses of 1, 10, and 20GeV. In the case of purely left-handed τ slepton production and decay to a τ lepton and a neutralino with a mass of 1GeV, the strongest limit is obtained for a τ slepton mass of 125GeV at a factor of 1.14 larger than the theoretical cross section.
dc.identifier.citationSearch for direct pair production of supersymmetric partners to the τ lepton in proton–proton collisions at √s=13TeV / Sirunyan, A.M. [et al.] // European Physical Journal C. - 2020. - 80. - № 3. - 10.1140/epjc/s10052-020-7739-7
dc.identifier.doi10.1140/epjc/s10052-020-7739-7
dc.identifier.urihttps://www.doi.org/10.1140/epjc/s10052-020-7739-7
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85080991473&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000528546600002
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/20354
dc.relation.ispartofEuropean Physical Journal C
dc.titleSearch for direct pair production of supersymmetric partners to the τ lepton in proton–proton collisions at √s=13TeV
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue3
oaire.citation.volume80
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