Measurement of the B s 0 → μ + μ − Branching Fraction and Effective Lifetime and Search for B
Abstract
A search for the rare decays B_{s}^{0}→μ^{+}μ^{-} and B^{0}→μ^{+}μ^{-} is performed at the LHCb experiment using data collected in pp collisions corresponding to a total integrated luminosity of 4.4 fb^{-1}. An excess of B_{s}^{0}→μ^{+}μ^{-} decays is observed with a significance of 7.8 standard deviations, representing the first observation of this decay in a single experiment. The branching fraction is measured to be...
Paper Details
Title
Measurement of the B s 0 → μ + μ − Branching Fraction and Effective Lifetime and Search for B
Published Date
May 11, 2017
Journal
Volume
118
Issue
19
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