We report a measurement of the inclusive semileptonic branching fraction of the B s meson using data collected with the BABAR detector in the center-of-mass energy region above the Υ(4S) resonance. We use the inclusive yield of mesons and the yield in association with a high-momentum lepton to perform a simultaneous measurement of the semileptonic branching fraction and the production rate of B s mesons relative to all B mesons as a function of center-of-mass energy. The inclusive semileptonic branching fraction of the B s meson is determined to be B(B s→νX)=9.5-2.0+2.5(stat)-1.9+1.1(syst)%, where indicates the average of e and μ.

Lees, J., Poireau, V., Tisserand, V., Tico, J., Grauges, E., Martinelli, M., et al. (2012). Measurement of the semileptonic branching fraction of the B s meson. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 85(1) [10.1103/PhysRevD.85.011101].

Measurement of the semileptonic branching fraction of the B s meson

CARPINELLI, Massimo
Membro del Collaboration Group
;
2012

Abstract

We report a measurement of the inclusive semileptonic branching fraction of the B s meson using data collected with the BABAR detector in the center-of-mass energy region above the Υ(4S) resonance. We use the inclusive yield of mesons and the yield in association with a high-momentum lepton to perform a simultaneous measurement of the semileptonic branching fraction and the production rate of B s mesons relative to all B mesons as a function of center-of-mass energy. The inclusive semileptonic branching fraction of the B s meson is determined to be B(B s→νX)=9.5-2.0+2.5(stat)-1.9+1.1(syst)%, where indicates the average of e and μ.
Articolo in rivista - Articolo scientifico
Scientifica
BABAR detector
English
Carpinelli Massimo (BABAR Collaboration)
Lees, J., Poireau, V., Tisserand, V., Tico, J., Grauges, E., Martinelli, M., et al. (2012). Measurement of the semileptonic branching fraction of the B s meson. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 85(1) [10.1103/PhysRevD.85.011101].
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/10281/389260
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