Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-11-09
Phys.Lett.B647:173-178,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, uses axodraw.sty; minor corrections, references added, matches published version
Scientific paper
10.1016/j.physletb.2007.02.027
We extend existing calculations of the electromagnetic dipole operator
contribution to the total decay rate and the photon energy spectrum of the
decay \bar{B} -> X_s\gamma at O(\alpha_s^2) by working out the exact dependence
on the charm quark mass.
Asatrian H. M.
Ewerth Thorsten
Gabrielyan H.
Greub Christoph
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