Study of the rare decays of B0s and B0 into muon pairs from data collected during the LHC Run 1 with the ATLAS detector

, The ATLAS collaboration (2016) 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: Particles and Fields, 76 (9). ISSN 1434-6044

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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.

Item Type:
Journal Article
Journal or Publication Title:
European Physical Journal C: Particles and Fields
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2200/2201
Subjects:
ID Code:
82071
Deposited By:
Deposited On:
07 Oct 2016 13:50
Refereed?:
Yes
Published?:
Published
Last Modified:
25 May 2021 04:01