Research Papers in Physics and Astronomy

 

Date of this Version

8-25-1997

Comments

Published by American Physical Society. Phys. Rev. Lett. 79, 1436 (1997). Permission to use. http://prl.aps.org/. Copyright © 1997 American Physical Society.

Abstract

Using e+e- annihilation data collected by the CLEO II detector at CESR, we have observed the decay Ds+ → ωπ+. This final state may be produced through the annihilation decay of the i>Ds+, or through final state interactions. We find a branching ratio of γ(Ds+ → ωπ+)/γ(Ds+ →ηπ+) = 0.16±0.04±0.03, where the first error is statistical and the second is systematic.

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