D-ASTERISK-]D-GAMMA AND B-ASTERISK-]B-GAMMA AS DERIVED FROM QCD SUM-RULES

We use the method of QCD sum rules in the presence of the external ele ctromagnetic F-mu upsilon field to analyze radiative decays of charmed or bottomed mesons such as D --> D gamma and B* --> B gamma, in a mo del-independent manner upon making use of the susceptibilities obtaine d previously from the study of baryon magnetic moments. Our prediction s on D decays agree very well with the experimental data. There are d ifferences among the various theoretical predictions on B decays and future experimental data should help to discriminate among the various predictions.