Heavy Meson Radiative Decays and Light Vector Meson Dominance

Details Heavy Meson Radiative Decays and Light Vector Meson Dominance Heavy Meson Radiative Decays and Light Vector Meson Dominance

1994-06-18

arxiv.org/abs/hep-ph/9406338v2

Int.J.Mod.Phys. A10 (1995) 2467-2478

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 1 figure as compressed uuencoded file appended at the end of the paper, report# SU-4240-581

Scientific paper

10.1142/S0217751X95001182

Electromagnetic interactions are introduced in the effective chiral Lagrangian for heavy mesons which includes light vector particles. A suitable notion of vector meson dominance is formulated. The constraints on the heavy meson -light vector and heavy meson-light pseudoscalar coupling constants are obtained using experimental $D^* \ra D \, \gamma $ branching ratios. These constraints are compared with values estimated from semi-leptonic transition amplitudes as well as from extension of the light meson coupling pattern. Application to the heavy baryon spectrum in the ``bound state " model is made.

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