Sudakov suppression in the soft heavy to light meson transition form factor

Details Sudakov suppression in the soft heavy to light meson transition form factor Sudakov suppression in the soft heavy to light meson transition form factor

1998-10-21

arxiv.org/abs/hep-ph/9810438v2

Phys.Rev. D59 (1999) 034017

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, latex, 1 figure in epsf style

Scientific paper

10.1103/PhysRevD.59.034017

We calculate hard gluon contribution to the decay vertex that determines the
heavy-to-light meson transition form factor at large recoil. It is found that
resulting Sudakov suppression significantly decreases the soft, wave function
dependent contribution to the form factor. Phenomenological implications of
these findings are discussed.

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