Search for the rare decay K-s(0) -> mu(+)mu(-)

LHCb collaboration

Research output: Contribution to journalArticleAcademicpeer-review


A search for the decay K-s(0) -> mu(+)mu(-) is performed, based on a data sample of 1.0fb(-1) of pp collisions at root s = 7 TeV collected by the LHCb experiment at the Large Hadron Collider. The observed number of candidates is consistent with the background-only hypothesis, yielding an upper limit of B(K-S(0) -> mu(+)mu(-)) < 11(9) x 10(-9) at 95 (90)% confidence level. This limit is a factor of thirty below the previous measurement.
Original languageEnglish
Article number090
Number of pages18
JournalJournal of High Energy Physics
Issue number1
Publication statusPublished - 1 Jan 2013
Externally publishedYes


  • Hadron-Hadron Scattering


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