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Search for long-lived particles decaying into displaced jets in proton-proton collisions at root 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.authorPolikarpov, S.
dc.contributor.authorTarkovskii, E.
dc.contributor.authorDremin, I.
dc.contributor.authorМатвеев, Виктор Анатольевич
dc.contributor.authorЧистов, Руслан Николаевич
dc.contributor.authorДанилов, Михаил Владимирович
dc.contributor.authorПоликарпов, Сергей Михайлович
dc.date.accessioned2024-11-20T09:42:22Z
dc.date.available2024-11-20T09:42:22Z
dc.date.issued2019
dc.description.abstractA search for long-lived particles decaying into jets is presented. Data were collected with the CMS detector at the LHC from proton-proton collisions at a center-of-mass energy of 13 TeV in 2016, corresponding to an integrated luminosity of 35.9 fb(-1). The search examines the distinctive topology of displaced tracks and secondary vertices. The selected events are found to be consistent with standard model predictions. For a simplified model in which long-lived neutral particles are pair produced and decay to two jets, pair production cross sections larger than 0.2 fb are excluded at 95% confidence level for a long-lived particle mass larger than 1000 GeV and proper decay lengths between 3 and 130 mm. Several supersymmetry models with gauge-mediated supersymmetry breaking or R-parity violation, where pair-produced long-lived gluinos or top squarks decay to several final-state topologies containing displaced jets, are also tested. For these models, in the mass ranges above 200 GeV, gluino masses up to 2300-2400 GeV and top squark masses up to 1350-1600 GeV are excluded for proper decay lengths approximately between 10 and 100 mm. These are the most restrictive limits to date on these models.
dc.identifier.citationSearch for long-lived particles decaying into displaced jets in proton-proton collisions at root s=13 TeV / Sirunyan, AM [et al.] // Physical Review D. - 2019. - 99. - № 3. - 10.1103/PhysRevD.99.032011
dc.identifier.doi10.1103/PhysRevD.99.032011
dc.identifier.urihttps://www.doi.org/10.1103/PhysRevD.99.032011
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85062611662&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000459324100001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/16606
dc.relation.ispartofPhysical Review D
dc.titleSearch for long-lived particles decaying into displaced jets in proton-proton collisions at root s=13 TeV
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue3
oaire.citation.volume99
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