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Wagner, W.; Alexander, G.; Criegee, L.; Dehne, H.C.; Devenish, R.; Fluegge, G.; Fox, J.D.; Franke, G.; Gerke, C.; Hackmack, E.
Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany, F.R.)1979
Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany, F.R.)1979
AbstractAbstract
[en] We have studied the tau → ν rho0 π decay in data taken with the PLUTO detector at the DORIS e+e- storage ring, at CM energies from 4 to 5 GeV. We have found 27 events with the tau → ν rho0 π decay mode corresponding to a branching ratio of B = (5.4 +- 1.7)%. The Dalitz plot and the rho0 π s-wave as produced by the axial vector current gives a good description. The rho0 π mass spectrum is suggestive of an A1 resonance. An upper limit on tau +- → ν π+- π+ π- without rho0 formation is given. (orig.)
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Oct 1979; 10 p
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Report
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Numerical Data
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A RESONANCES, ALGEBRAIC CURRENTS, ANTIMATTER, ANTIMESONS, ANTIPARTICLES, BOSONS, CURRENTS, DATA, DATA FORMS, DECAY, ELEMENTARY PARTICLES, ENERGY RANGE, FERMIONS, GEV RANGE, HADRONS, HEAVY LEPTONS, INFORMATION, INTERACTIONS, LEPTON-LEPTON INTERACTIONS, LEPTONS, MASSLESS PARTICLES, MATTER, MESON RESONANCES, MESONS, NUMERICAL DATA, PARTIAL WAVES, PARTICLE DECAY, PARTICLE INTERACTIONS, PARTICLE PRODUCTION, PIONS, POSTULATED PARTICLES, PSEUDOSCALAR ANTIMESONS, PSEUDOSCALAR MESONS, RESONANCE PARTICLES, SPECTRA, WEAK PARTICLE DECAY
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