Observation of $B^{+}\to ωK^{+}$ and Search for Related $B$ Decay Modes

Details Observation of $B^{+}\to ωK^{+}$ and Search for Related $B$ Decay Modes Observation of $B^{+}\to ωK^{+}$ and Search for Related $B$ Decay Modes

1998-03-20

arxiv.org/abs/hep-ex/9803018v1

Phys.Rev.Lett.81:272-276,1998

Physics

High Energy Physics

High Energy Physics - Experiment

11 page postscript file, postscript file also available through http://w4.lns.cornell.edu/public/CLNS

Scientific paper

10.1103/PhysRevLett.81.272

We have searched for two-body charmless decays of B mesons to purely hadronic exclusive final states including $\omega$ or $\phi$ mesons using data collected with the CLEO II detector. With this sample of $6.6 \times 10^6$ B mesons we observe a signal for the $\omega K^+$ final state, and measure a branching fraction of B($B^+ \to \omega K^+$) = 1.5 +0.7 -0.6 +-0.2 $\times 10^{-5}$. We also observe some evidence for the $\phi K^*$ final state, and upper limits are given for 22 other decay modes. These results provide the opportunity for studies of theoretical models and physical parameters.

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