Radiatively corrected shape function for inclusive heavy hadron decays

Details Radiatively corrected shape function for inclusive heavy hadron decays Radiatively corrected shape function for inclusive heavy hadron decays

2000-09-22

arxiv.org/abs/hep-ph/0009268v1

Phys.Rev. D63 (2001) 094011

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX, uses a4, graphicx and psfrag, 10 pages. The complete paper is also available at http://www-ttp.physik.uni-karlsruhe.de/

Scientific paper

10.1103/PhysRevD.63.094011

We discuss the non-perturbative and the radiative corrections to inclusive B decays from the point of view known from QED corrections to high energy e^+ e^- processes. Here the leading contributions can be implemented through the so called ``radiator function'' which corresponds to the shape function known in heavy hadron decays. In this way some new insight into the origin of the shape function is obtained. As a byproduct, a parameterization of the radiatively corrected shape function is suggested which can be implemented in Monte Carlo studies of inclusive heavy hadron decays.

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