Research Papers in Physics and Astronomy

 

Date of this Version

5-4-1998

Comments

Published by American Physical Society. Phys. Rev. Lett. 80, 3919 (1998). Permission to use. http://prl.aps.org/. Copyright © 1998 American Physical Society.

Abstract

We have observed a signal for the decay D*+D+γ at a significance of 4 standard deviations. From the measured branching ratio B(D*+D+γ)/ B(D*+D++pi0 = 0.055 ± 0.014 ± 0.010 we find B(D*+D+γ)= 0.017 ± 0.004 ± 0.003, where the first uncertainty is statistical and the second is systematic. We also report the highest precision determination of the remaining D*+ branching fractions.

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