Moment Analysis of the wide Resonance θ(1720) in J/ψ Radiative Decay

YU Hong; SHEN Qi-Xing; ZHU Yu-Can; ZHENG Zhi-Ping; CHENG Zheng-Dong

Chinese Physics C> 1992, Vol. 16> Issue(9) : 807-815

Moment Analysis of the wide Resonance θ(1720) in J/ψ Radiative Decay

Institute of High Energy Physics,Academia Sinica,Beijing 100039

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Abstract：
In this paper the structure of the wide resonance θ(1720) produced in J/ψ radiative decay is studied by using moment analysis.Since the f'₂(1525) and θ(1720) resonances overlap in this mass region,two three-states coupling structure modes 2⁺⁺(f'₂(1525))+0⁺⁺+0⁺⁺ and 2⁺⁺(f'₂(1525))+0⁺⁺+2⁺⁺ are discussed.It is helpful to make clear the structure of the wide resonance θ(1720),de-termine masses、widths、spins and other important properties of the two resonance states,for example G(1590) and f₂(1720),including therein and understand the two interesting states better.

References

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YU Hong, SHEN Qi-Xing, ZHU Yu-Can, ZHENG Zhi-Ping and CHENG Zheng-Dong. Moment Analysis of the wide Resonance θ(1720) in J/ψ Radiative Decay[J]. Chinese Physics C, 1992, 16(9): 807-815.

YU Hong, SHEN Qi-Xing, ZHU Yu-Can, ZHENG Zhi-Ping and CHENG Zheng-Dong. Moment Analysis of the wide Resonance θ(1720) in J/ψ Radiative Decay[J]. Chinese Physics C, 1992, 16(9): 807-815. shu

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Received: 1900-01-01
Revised: 1900-01-01

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