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Study of the ρπ Puzzle in Charmonium Decays


The theoretical explanations about the "ρπ puzzle" in charmonium decays are reviewed exten-sively, and the comparison of theoretical predications with experimental data is made whenever possible. Three methods to estimate the ratio of the branching fractions of J/ψ and ψ′decays are also discussed. It is pointed out that in order to understand the ρπ puzzle, and the dynamics of charmonium decays, systematic studies should be made in theory, phenomenology and experiment aspects.
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Keywords: Charmonium Decays;
Recommended references: MO Xiao-Hu,YUAN Chang-Zheng,WANG Pingz.(2017).Study of the ρπ Puzzle in Charmonium Decays.[ChinaXiv:201703.00607] (Click&Copy)
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[V1] 2017-03-26 19:36:59 chinaXiv:201703.00607V1 Download
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