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We report on a study of the invariant mass spectrum of the hadronic system in the decay τ − → π − π 0 ν τ. This study was performed with data obtained with the CLEO II detector operating at the CESR e + e − collider. We present fits to phenomenological models in which resonance parameters associated with the ρ(770) and ρ(1450) mesons are determined. The π −(More)
Using data collected at the psi(3770) resonance with the CLEO-c detector at the Cornell e+e- storage ring, we present improved measurements of the absolute branching fractions of D+decays to K0e+ve, pi0e+ve, K*0e+ve, and p0e+ve, and the first observation and absolute branching fraction measurement of D+ --> omega e+ve. We also report the most precise tests(More)