Hyungsuk Son

Decay Rate Ratios of Upsilon(5S) to B Bbar Reactions

We calculate the decay rate ratios for OZI allowed decays of ϒ(5S) to two B mesons by using the decay amplitudes which incorporate the wave function of the ϒ(5S) state. We obtain the result that the branching ratio of the ϒ(5S) decay to

Decay rate ratios of

B_{s}^{*}{\bar{B}}_{s}^{*}

\varUpsilon (5S)\to B{\bar{B}}

is much larger than the branching ratio to

reactions

B_{s}{\bar{B}}_{s}^{*}