Abstract:A search for long-lived particles decaying into displaced electrons and/or muons with large impact parameters is presented. This signature provides unique sensitivity to the production of theoretical supersymmetric lepton-partners, sleptons, with lifetimes between 0.01 and 10 ns. This search is done for the first time at the Large Hadron Collider (LHC), and covers a long-standing gap in coverage of possible new physics signatures. The search is performed using 139 fb −1 of √ s = 13 TeV proton-proton collision … Show more
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