most citedThe electromagnetic dipole operator effect on B -> Xs gamma at O(alpha_s^2)

54 citations · 54 across the 1 of their papers we have counts for

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hep-ph2005★ 54 cited

The electromagnetic dipole operator effect on B -> Xs gamma at O(alpha_s^2)

I. Blokland, A. Czarnecki, M. Misiak +2

The flavor-changing electromagnetic dipole operator O_7 gives the dominant contribution to the B -> Xs gamma decay rate. We calculate two-loop QCD corrections to its matrix element…