Search for the decay B-s(0) -> mu(+)mu(-) with the ATLAS detector

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A blind analysis searching for the decay B-s(0) -> mu(+)mu(-) has been performed using proton-proton collisions at a centre-of-mass energy of 7 TeV recorded with the ATLAS detector at the LHC. With an integrated luminosity of 2.4 fb(-1) no excess of events over the background expectation is found and an upper limit is set on the branching fraction BR(B-s(0) -> mu(+)mu(-)) <2.2(1.9) x 10(-8) at 95% (90%) confidence level. (C) 2012 CERN. Published by Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)387-407
JournalPhysics Letters B
Issue number4-5
Publication statusPublished - 18 Jul 2012


  • B meson
  • FCNC
  • LHC
  • Rare decays


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