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

(ATLAS Collaboration)

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

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
JournalPhysical review letters
Volume127
Issue number5
DOIs
Publication statusPublished - Jul 30 2021

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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