Publication:
Search for long-lived particles decaying to leptons with large impact parameter in proton-proton collisions at root s=13 TeV

Дата
2022
Авторы
Tumasyan, A.
Adam, W.
Andrejkovic, J. W.
Bergauer, T.
Matveev, V.
Bychkova, O.
Chistov, R.
Danilov, M.
Oskin, A.
Parygin, P.
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Институт ядерной физики и технологий
Цель ИЯФиТ и стратегия развития - создание и развитие научно-образовательного центра мирового уровня в области ядерной физики и технологий, радиационного материаловедения, физики элементарных частиц, астрофизики и космофизики.
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Аннотация
A search for new long-lived particles decaying to leptons using proton-proton collision data produced by the CERN LHC at root s = 13 TeV is presented. Events are selected with two leptons (an electron and a muon, two electrons, or two muons) that both have transverse impact parameter values between 0.01 and 10 cm and are not required to form a common vertex. Data used for the analysis were collected with the CMS detector in 2016, 2017, and 2018, and correspond to an integrated luminosity of 118 (113) fb(-1) in the ee channel (e mu and mu mu channels). The search is designed to be sensitive to a wide range of models with displaced e mu ee, and mu mu final states. The results constrain several well-motivated models involving new long-lived particles that decay to displaced leptons. For some areas of the available phase space, these are the most stringent constraints to date.
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Search for long-lived particles decaying to leptons with large impact parameter in proton-proton collisions at root s=13 TeV / Tumasyan, A [et al.] // European Physical Journal C. - 2022. - 82. - № 2. - 10.1140/epjc/s10052-022-10027-3
URI
https://www.doi.org/10.1140/epjc/s10052-022-10027-3
 https://www.scopus.com/record/display.uri?eid=2-s2.0-85127289934&origin=resultslist
 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000757436200002
 https://openrepository.mephi.ru/handle/123456789/28829
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