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QCD Anatomy of $B\to X_{s}\gamma$ Decays

We present an updated next-to-leading order analysis of the B -> X_s gamma branching ratio and photon spectrum, including consistently the effects of Fermi motion in the heavy-quark expansion. For the Standard Model, we obtain B(B -> X_s gamma) = (2.57+-0.26^{+0.31}_{-0.36}) * 10^{-4} for the...

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Detalles Bibliográficos
Autores principales:	Kagan, A L, Neubert, M
Lenguaje:	eng
Publicado:	1998
Materias:	Particle Physics - Phenomenology
Acceso en línea:	https://dx.doi.org/10.1007/s100529800959 http://cds.cern.ch/record/354661

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