Experiment Study of f0(975) in J/ψ Decays

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BES Collaboration. Experiment Study of f0(975) in J/ψ Decays[J]. Chinese Physics C, 1995, 19(S2): 125-131.
BES Collaboration. Experiment Study of f0(975) in J/ψ Decays[J]. Chinese Physics C, 1995, 19(S2): 125-131. shu
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Received: 1994-10-12
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    Supported by the National Natural Science Foundation of China.

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Experiment Study of f0(975) in J/ψ Decays

  • Institute of High Energy Physics, the Chinese Academy Sciences, Beijing, China
Fund Project:  Supported by the National Natural Science Foundation of China.

Abstract: Based on 7.8×106 J/ψ events collected by the BES at BEPC, the hadronic decays J/ψϕπ+π- and J/ψ→ωπ+π- are studied, and the branching ratios of these process and the mass and width of f0 are obtained. The angular distribution of J/ψϕf0, f0→7π+π- is fitted and the helicity amplitude ratios of this process are given for the first time.

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