Charm quark mass dependence of the electromagnetic dipole operator contribution to anti-B -> X(s) gamma at O(alpha**2(s))
arXiv:hep-ph/0611123 · doi:10.1016/j.physletb.2007.02.027
Abstract
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_sγat O(α_s^2) by working out the exact dependence on the charm quark mass.
arXiv comment10 pages, uses axodraw.sty; minor corrections, references added, matches published version
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