Threshold Resummation in B --> X_c l nu_l Decays

Details Threshold Resummation in B --> X_c l nu_l Decays Threshold Resummation in B --> X_c l nu_l Decays

2007-07-13

arxiv.org/abs/0707.2010v1

Phys.Lett.B653:38-52,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 pages, no figures

Scientific paper

10.1016/j.physletb.2007.07.041

We compute the QCD form factor resumming threshold logarithms in B --> X_c +
l + nu_l decays to next-to-leading logarithmic approximation. We present an
interpolation formula including soft as well as collinear effects softened by
the non-vanishing charm mass.

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