Transverse Momentum Distributions in B-Decays

Abstract

We consider transverse momentum distributions in B-decays. The O(alpha_S) coefficients for soft and collinear logarithms are computed to next-to-leading accuracy. Resummation of large logarithmic contributions is performed in impact parameter space within the general formalism for transverese momentum distributions. It is shown that the shape-function approach as used for the threshold distribution case cannot be extended to the transverse momentum one.

LaTex file, 8 pages, 1 postscript figure

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• Resummed Mass Distribution for Jets Initiated by Massive Quarks
• Minimal prescription corrected spectra in heavy quark decays
• Full O(alpha_S) Evaluation for b->s+gamma Transverse Momentum Distribution
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• Transverse Momentum Distribution in b-> s Gamma