Inclusive semileptonic fits, heavy quark masses, and$ {V}_{cb}$

Gambino, Paolo; Schwanda, Christoph

doi:10.1103/PhysRevD.89.014022

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Inclusive semileptonic fits, heavy quark masses, and${V}_{cb}$

Author(s): Paolo Gambino , Christoph Schwanda

Publication date (Electronic): January 24 2014

Journal: Physical Review D

Publisher: American Physical Society (APS)

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Review of Particle Physics

J. Beringer, J. F. Arguin, R. Barnett … (2012)

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Estimate of$\mathcal{B}(\overline{B}\to {X}_{s}\gamma )$at$O({\alpha }_{s}^{2})$

M Misiak, H. M. Asatrian, K Bieri … (2007)

Combining our results for various O(alpha[s]) corrections to the weak radiative B-meson decay, we are able to present the first estimate of the branching ratio at the next-to-next-to-leading order in QCD. We find B(B[over ]-->X[s]gamma)=(3.15+/-0.23) x 10(-4) for Egamma>1.6 GeV in the B[over ]-meson rest frame. The four types of uncertainties:nonperturbative (5%), parametric (3%), higher-order (3%), and m(c)-interpolation ambiguity (3%) have been added in quadrature to obtain the total error.