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AbstractAbstract
[en] Effect of mixing in systems of singlet pseudoscalar mesons described by the method of compound interpolating fields of the theoretical-field approach was studied. Decays of light pseudoscalar mesons n→γγ, J/Ψ→ρn, J/Ψ→ωn, J/Ψ→γn decays, where n=η, η', η'' are described, the widths of the decays, values of the ratio of η''- and η'-meson yield cross sections in charge-exchange Πp→η''N reactions, as well as probabilities of J/Ψ→γη'' decay, being evaluated. 25 refs.; 1 fig.; 4 tabs
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1990; 35 p; Submitted to Zeitschrift fuer Physik C.
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Report
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BOSONS, CHARMONIUM, DECAY, ELEMENTARY PARTICLES, FERMIONS, HADRON-HADRON INTERACTIONS, HADRONS, INTERACTIONS, MESON-BARYON INTERACTIONS, MESON-NUCLEON INTERACTIONS, MESONS, PARTICLE DECAY, PARTICLE INTERACTIONS, PARTICLE PROPERTIES, PION-NUCLEON INTERACTIONS, PION-PROTON INTERACTIONS, POSTULATED PARTICLES, PSEUDOSCALAR MESONS, QUARKONIUM, VECTOR MESONS
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