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AbstractAbstract
[en] An exclusive Zweig suppressed radiative decay of heavy 1-- vector mesons is considered in the approximation 3S1(Q anti Q) → γ + [g + g →] 3P2(q anti q) with on-shell gluons. The 2++ meson will appear to be in the helicity zero state if the mass ratio M2++/m1-- is small. A comparison with the decays J/PSI(3.1), PSI'(3.7), U(9.4),.. → γ + f(1.3), f'(1.5),.... is suggested. (orig.)
[de]
In der Naeherung 3S1(Q anti Q) → γ + [g + g →] 3P2(q anti q) mit Schalengluonen wird ein exclusiver Zweig - unterdrueckter Strahlungszerfall von schweren 1-- Vektormesonen betrachtet. Das 2++ Meson wird im Nullzustand der Helizitaet auftreten, wenn das Massenverhaeltnis M2++/M1-- klein ist. Es wird ein Vergleich mit den Zerfaellen J/PSI(3,1), PSI'(3,7), U(9,4),.. → γ + f(1,3), f'(1,5),.... angeregt. (orig.)Primary Subject
Source
Jan 1978; 4 p; 1 fig.; 13 refs.
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Report
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BOSONS, DECAY, DISTRIBUTION, ELEMENTARY PARTICLES, ENERGY RANGE, GEV RANGE, HADRONS, INTERACTIONS, LEPTON-LEPTON INTERACTIONS, MASSLESS PARTICLES, MATHEMATICAL MODELS, MESON RESONANCES, MESONS, PARTICLE DECAY, PARTICLE INTERACTIONS, PARTICLE MODELS, PARTICLE PROPERTIES, PSI RESONANCES, RESONANCE PARTICLES
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