Transverse Momentum Distribution in b-> s Gamma
R. Sghedoni
Abstract
We present the complete calculation of the transverse momentum distribution for the decay b->s Gamma. The contributions of the leading operator O7 are computed: infrared logarithms are resummed with next-to-leading accuracy, according to usual techniques of resummation. Non logarithmic terms are evaluated to O(alphaS) by calculating one loop diagrams.
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