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Direct measurements of absolute branching fractions for D0 and D+ inclusive semimuonic decays

Authors: Ablikim, M.; Bai, J.Z.; Bai, Y.; Ban, Y.; Cai, X.; Chen, H.F.; Chen, H.S.; +145 Authors

Direct measurements of absolute branching fractions for D0 and D+ inclusive semimuonic decays

Abstract

AbstractBy analyzing approximately 33 pb−1 of sample data collected at and around 3.773 GeV with the BES-II detector at the BEPC collider, we directly measured the branching fractions for the neutral and charged D inclusive semimuonic decays to be BF(D0→μ+X)=(6.8±1.5±0.8)% and BF(D+→μ+X)=(17.6±2.7±1.8)%, and determined the ratio of the two branching fractions to be BF(D+→μ+X)BF(D0→μ+X)=2.59±0.70±0.25.

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23 references, page 1 of 3

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