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Next-to-Leading Order QCD Corrections to the Lifetime Difference of $B_s$ Mesons

We compute the QCD corrections to the decay rate difference in the B_s-\bar{B}_s system, \Delta\Gamma_{B_s}, in the next-to-leading logarithmic approximation using the heavy quark expansion approach. Going beyond leading order in QCD is essential to obtain a proper matching of the Wilson coefficient...

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Detalles Bibliográficos
Autores principales:	Beneke, M., Buchalla, G., Greub, C., Lenz, A., Nierste, U.
Lenguaje:	eng
Publicado:	1998
Materias:	Particle Physics - Phenomenology
Acceso en línea:	https://dx.doi.org/10.1016/S0370-2693(99)00684-X http://cds.cern.ch/record/363011

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