Quark-binding effects in inclusive decays of heavy mesons

Details Quark-binding effects in inclusive decays of heavy mesons Quark-binding effects in inclusive decays of heavy mesons

1999-11-29

arxiv.org/abs/hep-ph/9911518v1

Phys.Rev. D62 (2000) 074012

Physics

High Energy Physics

High Energy Physics - Phenomenology

revtex, 18 pages, preprint HD-THEP-99-50 (Heidelberg) and RM3-TH/99-13 (Roma)

Scientific paper

10.1103/PhysRevD.62.074012

We present a new approach to the analysis of quark-binding effects in inclusive decays of heavy mesons within the relativistic dispersion quark model. Various differential distributions, such as electron energy spectrum, $q^2$- and $M_X$-distributions, are calculated in terms of the $B$ meson soft wave function which also determines long-distance effects in exclusive transition form factors. Using the quark-model parameters and the $B$ meson wave function previously determined from the description of the exclusive $b \to u$ transitions within the same dispersion approach, we provide numerical results on various distributions in the inclusive $B \to X_c l\nu$ decays.

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