First observation and measurement of the branching fraction for the decay B(formula presented.)

The LHCb collaboration

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Resum

Abstract: The first observation of the Bs(formula presented.)$$\mathrm{\mathcal{B}}\left({B}_s^0\to{D_s^{\ast}}^{\mp}{K}^{\pm}\right)=\left(16.3\pm1.2{\left(\mathrm{stat}\right)}_{-0.5}^{+0.7}\left(\mathrm{syst}\right)\pm 4.8\left(\mathrm{norm}\right)\right)\times 1{0}^{-5}, $$where the third uncertainty is due to the uncertainty on the branching fraction of the normalisation channel.[Figure not available: see fulltext.]

Idioma originalAnglès
Número d’article130
RevistaJournal of High Energy Physics
Volum2015
Número6
DOIs
Estat de la publicacióPublicada - 27 de juny 2015

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