Exclusive semileptonic decays of B mesons to orbitally excited D mesons in the relativistic quark model

Details Exclusive semileptonic decays of B mesons to orbitally excited D mesons in the relativistic quark model Exclusive semileptonic decays of B mesons to orbitally excited D mesons in the relativistic quark model

1998-05-22

arxiv.org/abs/hep-ph/9805423v1

Phys.Lett. B434 (1998) 365-372

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, Revtex, 4 figures, uses epsf and rotating.sty

Scientific paper

10.1016/S0370-2693(98)00758-8

Exclusive semileptonic B meson decays to orbitally excited D mesons are investigated in the infinitely heavy quark limit in the framework of the relativistic quark model based on the quasipotential approach. The B\to D^{**}e\nu Isgur-Wise functions \tau_{3/2}(w) and \tau_{1/2}(w) are determined. It is found that the relativistic transformation of the meson wave functions (Wigner rotation of the light quark spin) contribute already at the leading order of the heavy quark expansion.

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