Search for Displaced Leptons in √s=13  TeV pp Collisions with the ATLAS Detector

ATLAS Publications, T.M. Carter, A. Hasib, M.P. Heath, S. Palazzo, A. Søgaard, E.P. Takeva, N. Themistokleous, E.M. Villhauer

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

A search for charged leptons with large impact parameters using 139  fb−1 of √s=13  TeV pp collision data from the ATLAS detector at the LHC is presented, addressing a long-standing gap in coverage of possible new physics signatures. Results are consistent with the background prediction. This search provides unique sensitivity to long-lived scalar supersymmetric lepton partners (sleptons). For lifetimes of 0.1 ns, selectron, smuon, and stau masses up to 720, 680, and 340  GeV, respectively, are excluded at 95% confidence level, drastically improving on the previous best limits from LEP.
Original languageEnglish
Article number051802
Pages (from-to)1-21
Number of pages21
JournalPhysical Review Letters
Issue number5
Publication statusPublished - 27 Jul 2021


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