Search for K S (L)0 →μ+μ-μ+μ- decays at LHCb

(LHCb Collaboration)

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1 Citation (Scopus)


A search for KS(L)0→μ+μ-μ+μ- decays is performed using proton-proton collision data collected by the LHCb experiment at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.1 fb-1. No evidence for signal is found. The 90% confidence level upper limits are the first set for both decays and are B(KS0→μ+μ-μ+μ-)<5.1×10-12 and B(KL0→μ+μ-μ+μ-)<2.3×10-9.

Original languageEnglish
Article numberL031102
JournalPhysical Review D
Issue number3
Publication statusPublished - 1 Aug 2023


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