Search for the charged-lepton-flavor-violating decay Z→eμ in pp collisions at √s=13  TeV with the ATLAS detector

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

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

A search for the charged-lepton-flavor-violating process Z→eμ is presented, using 139  fb−1 of √s=13  TeV pp collision data collected by the ATLAS experiment at the LHC. An excess in the eμ invariant mass spectrum near the Z boson mass would be a striking signature of new physics. No excess is observed, and an upper limit B(Z→eμ)<2.62×10−7 is placed on the branching fraction at 95% confidence level, which is the most stringent limit to date.
Original languageEnglish
Article number032015
Pages (from-to)1-22
Number of pages22
JournalPhysical Review D
Volume108
DOIs
Publication statusPublished - 25 Aug 2023

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