Search for long-lived particles decaying to leptons with large impact parameter in proton–proton collisions at √s = 13 TeV
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Abstract
A search for new long-lived particles decaying to leptons using proton–proton collision data produced by the CERN LHC at √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 val ues 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 corre spond to an integrated luminosity of 118 ( ...
A search for new long-lived particles decaying to leptons using proton–proton collision data produced by the CERN LHC at √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 val ues 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 corre spond to an integrated luminosity of 118 (113) fb−1 in the ee channel (eμ and μμ channels). The search is designed to be sensitive to a wide range of models with displaced eμ, ee, and μμ final states. The results constrain several well-motivated models involving new long-lived particles that decay to dis placed leptons. For some areas of the available phase space, these are the most stringent constraints to date. ...
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The European physical journal. C, Particles and fields. Berlin. Vol. 82, no. 2 (Feb. 2022), 153, 32 p.
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