(D* to D + gamma) and (B* to B + gamma) as derived from QCD Sum Rules

Details (D* to D + gamma) and (B* to B + gamma) as derived from QCD Sum Rules (D* to D + gamma) and (B* to B + gamma) as derived from QCD Sum Rules

1996-10-18

arxiv.org/abs/hep-ph/9610412v1

Mod.Phys.Lett. A12 (1997) 3027-3036

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, LateX

Scientific paper

10.1142/S0217732397003150

The method of QCD sum rules in the presence of the external electromagnetic $F_{\mu\nu}$ field is used to analyze radiative decays of charmed or bottomed mesons such as $D^{\ast}\to D\gamma$ and $B^{\ast}\to B\gamma$, with the susceptibilities obtained previously from the study of baryon magnetic moments. Our predictions on $D^{\ast}$ decays agree very well with the experimental data. There are differences among the various theoretical predictions on $B^{\ast}$ decays but the data are not yet available.

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