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arXiv · hep-ph/9512252

Bremsstrahlung corrections to the decay $b \to s γ$

Nicolas Pott
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Abstract

We calculate the O($α_s$) gluon Bremsstrahlung corrections to the inclusive decay $b \rightarrow s γ$, involving the full operator basis $\hat O_1$ -- $\hat O_8$. Confirming and extending earlier calculations of Ali and Greub, we give formulas for the total decay width as well as the perturbative photon spectrum, regarding the former as a necessary part of the forthcoming complete NLO analysis. We explore in detail the renormalization scale dependence of our results and find it considerably increased.

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Nicolas Pott. 1996-06-28. Bremsstrahlung corrections to the decay $b \to s γ$. https://doi.org/10.1103/physrevd.54.938

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