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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/45199

Title: Study of the rare decays of B0s and B0 into muon pairs from data collected during the LHC Run 1 with the ATLAS detector
Authors: Aaboud, M.
Aguilar-Saavedra, Juan Antonio
Atlas Collaboration
Issue Date: 2016
Abstract: A study of the decays B0s→μ+μ− and B0→μ+μ− has been performed using data corresponding to an integrated luminosity of 25 fb−1 of 7 and 8 TeV proton–proton collisions collected with the ATLAS detector during the LHC Run 1. For the B0 dimuon decay, an upper limit on the branching fraction is set at B(B0→μ+μ−)<4.2×10−10 at 95 % confidence level. For B0s, the branching fraction B(B0s→μ+μ−)=(0.9+1.1−0.8)×10−9 is measured. The results are consistent with the Standard Model expectation with a p value of 4.8 %, corresponding to 2.0 standard deviations.
Publisher: Springer International Publishing
Keywords: Decays
Proton collisions
Atlas detector
URI: http://hdl.handle.net/10481/45199
ISSN: 1434-6044
Rights : Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License
Citation: Atlas Collaboration. Study of the rare decays of B0s and B0 into muon pairs from data collected during the LHC Run 1 with the ATLAS detector. European Physical Journal C, 76(9): 513 (2016). [http://hdl.handle.net/10481/45199]
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