Plenary Session IX – Chair: V. BurkertNo Access

SOME THEORETICAL ISSUES OF HADRON PRODUCTIONS AND PROPERTIES FROM J/ψ DECAYS

P. N. SHEN

Institute of High Energy Physics, Chinese Academy of Sciences, P.O. Box 918(4), Beijing 100049, China

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H. C. CHIANG

Institute of High Energy Physics, Chinese Academy of Sciences, P.O. Box 918(4), Beijing 100049, China

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B. S. ZOU

Institute of High Energy Physics, Chinese Academy of Sciences, P.O. Box 918(4), Beijing 100049, China

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W. H. LIANG

Institute of High Energy Physics, Chinese Academy of Sciences, P.O. Box 918(4), Beijing 100049, China

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R. G. PING

Institute of High Energy Physics, Chinese Academy of Sciences, P.O. Box 918(4), Beijing 100049, China

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F. Q. GUO

Institute of High Energy Physics, Chinese Academy of Sciences, P.O. Box 918(4), Beijing 100049, China

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Z. Q. ZENG

Institute of High Energy Physics, Chinese Academy of Sciences, P.O. Box 918(4), Beijing 100049, China

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Y. B. DING

College of Physics, Graduate School of Chinese Academy of Sciences, Beijing 100049, China

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, and

X. Q. LI

Department of Physics, Nankai University, Tianjin 300071, China

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https://doi.org/10.1142/S0217751X05023220Cited by:0 (Source: Crossref)

Abstract

J/ψ strong decay is one of the best places to study the hadronic structure and the strong interaction. In this talk, as the background contribution, the proton pole diagram contribution to the branching ratio and the angular distribution in decays is analyzed. The applicability of quark models is explored via process. The structures of N*s, especially Roper resonance, are discussed by studying J/ψ decays. The productions of possible multi-quark systems via charmonium and bottomonium strong/radiative decays are also investigated.

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SOME THEORETICAL ISSUES OF HADRON PRODUCTIONS AND PROPERTIES FROM J/ψ DECAYS

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