Branching Fraction Measurements of psi(2S) Decay to Baryon-Antibaryon Final States
T. K. Pedlar, CLEO Collaboration
Abstract
Using 3.08 million psi(2S) decays observed in e+e- collisions by the CLEO detector, we present the results of a study of the psi(2S) decaying into baryon-antibaryon final states. We report the most precise measurements of the following eight modes: proton-antiproton, lambda-antilambda, Xi- antiXi-, Xi0-antiXi0 (first observation), Sigma+-antiSigma+ (first observation), and Sigma0-antiSigma0, and place upper limits for the modes, Xi0*-antiXi0* and Omega- antiOmega-.
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