Leptonic and Semileptonic Decays of Pseudoscalar Mesons

Details Leptonic and Semileptonic Decays of Pseudoscalar Mesons Leptonic and Semileptonic Decays of Pseudoscalar Mesons

1999-03-22

arxiv.org/abs/hep-ph/9903446v2

Phys.Lett. B456 (1999) 248-255

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages LaTeX (elsart.sty) + 4 figures; added references, to appear in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(99)00474-8

We employ the relativistic constituent quark model to give a unified description of the leptonic and semileptonic decays of pseudoscalar mesons (\pi, K, D, D_s, B, B_s). The calculated leptonic decay constants and form factors are found to be in good agreement with available experimental data and other approaches. We reproduce the results of spin-flavor symmetry in the heavy quark limit.

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