Spectra of Exclusive Semi-Leptonic Decays of B-meson in the Covariant Oscillator Quark Model

Details Spectra of Exclusive Semi-Leptonic Decays of B-meson in the Covariant Oscillator Quark Model Spectra of Exclusive Semi-Leptonic Decays of B-meson in the Covariant Oscillator Quark Model

1997-05-18

arxiv.org/abs/hep-ph/9705346v1

Prog.Theor.Phys. 98 (1997) 159-168

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, Latex with macros for Progress of Theoretical Physics, 6 eps figures, to be published in PTP

Scientific paper

10.1143/PTP.98.159

The spectra and form factors of exclusive semi-leptonic decays of B-meson are analyzed, taking account of confined effects of quarks by the Covariant Oscillator Quark Model. The predicted B --> (D*,D)l nubar_l spectra with the conventional value of V_cb are fit well to the high-precision experiment. It is also shown the values of V_cb and V_ub obtained through decay widths for the B --> (D,D*,rho)l nubar_l processes are consistent with the presently accepted ones.

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