Covariant Light-Front Approach for s-wave and p-wave Mesons

Details Covariant Light-Front Approach for s-wave and p-wave Mesons Covariant Light-Front Approach for s-wave and p-wave Mesons

2003-12-05

arxiv.org/abs/hep-ph/0312075v1

J.Korean Phys.Soc. 45 (2004) S256-S261

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 1 figure, talk presented at 2nd International Conference on Flavor Physics, Seoul, Oct. 6-11, 2003

Scientific paper

We study the decay constants and form factors of the ground-state s-wave and low-lying p-wave mesons within a covariant light-front approach. Numerical results of the B to D** transition form factors, where D** denotes generically a p-wave charmed meson, are compared with other model calculations. Predictions on the decay rates for Bbar to D** pi, D** rho, Dbar**_s D* by using these decay constants and form factors are in agreement with the experimental data. The universal Isgur-Wise functions, xi, tau_{1/2}, tau_{3/2} are obtained and are used to test the Bjorken and Uraltsev sum rules.

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