Abstract

The photon spectrum of radiative decays B 0→ γ+ X is calculated in a relativistic treatment. The branching ratio BR ( B 0→ γ+ X)=(0.8−8)×10 −5 is obtaines. This makes the radiative decays B 0→ γ+ X detectable ast the high luminosity LEP. If the future experimental branching ratio turns out to be of the same order, this will show that B 0→ γ+ X decays are highly suppressed by QCD short-distance corrections. Comparisons of this result with other groups' are also provided.

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