Multihadronic decays and partial widths of the J/Ψ (3100) resonance produced in e+e− annihilation at adone |
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| Authors: | R Baldini-Celio M Bozzo G Capon R Del Fabbro M Grilli E Iarocci M Locci C Mencuccuni GP Murtas MA Spano M Spinetti V Valente C Bacci G Penso B Stella |
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| Institution: | 1. Istituto di Fisica dell''Universitá, Roma, Italy;2. Istituto Nazionale di Fisica Nucleare, Sezione di Roma, Italy |
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| Abstract: | The reactions e+e?→ hadrons and e+e+e?→e+e? have been studied at the J/gY (3100) resonance). The relative weights of the topological cross sections for fixed charged multiplicity are σ2=(32±5)%, σ4=(49±8)%, σ6=(18±3)%, and σ8=(1±0.6)%. The average pion multiplicities are 〈nch〉=3.8±0.3 and 〈nπo〉=3.1±0.8. The decay widths are Γe=(4.6±0.8) keV, Γh=(59±24) keV, and Γ=(68±26) keV. |
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