Studies of the Wide Resonance θ(1720) in J/ψ Hadronic Decays

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

Chinese Physics C> 1993, Vol. 17> Issue(7) : 601-604

Studies of the Wide Resonance θ(1720) in J/ψ Hadronic Decays

Institute of Hing 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 hadronic decays is studied by using the generalized moment analysis.Since the production ratio of the f'₂(1525) is very small in the process J/ψ→ωθ(1720) we may neglect the influence of the f'₂(1525).Whereas the production ratio of the f'₂(1525) is larger in the process J/ψ→φθ(1720),we must consider the coherence effects of the f'₂(1525).From the studies of the two processes and the corresponding J/ψ radiative decay we are able to understand the structure of the wide resonance θ(1720) better.

References

[1]	郁宏等,高能物理与核物理,16(1992),807.[2]L. P. Chen et al.,SLAC-PUB-5378(1990),L. P. Chen, SLAC-386.[3]郁宏,浓齐兴,高能物理与核物理,14(1990),504.[4]白景芝等,高能物理与核物理,17(1993),97.[5]郁宏,沈齐兴,高能物理与核物理,14(1990),875.

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YU Hong, SHEN Qi-Xing, ZHU Yu-Can, ZHENG Zhi-Peng and CHENG Zheng-Dong. Studies of the Wide Resonance θ(1720) in J/ψ Hadronic Decays[J]. Chinese Physics C, 1993, 17(7): 601-604.

YU Hong, SHEN Qi-Xing, ZHU Yu-Can, ZHENG Zhi-Peng and CHENG Zheng-Dong. Studies of the Wide Resonance θ(1720) in J/ψ Hadronic Decays[J]. Chinese Physics C, 1993, 17(7): 601-604. shu

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

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沈阳化工大学材料科学与工程学院沈阳 110142

Studies of the Wide Resonance θ(1720) in J/ψ Hadronic Decays

Corresponding author: YU Hong,

Institute of Hing Energy Physics,Academia Sinica,Beijing 100039

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1993-07-05

Abstract: In this paper the structure of the wide resonance θ(1720) produced in J/ψ hadronic decays is studied by using the generalized moment analysis.Since the production ratio of the f'₂(1525) is very small in the process J/ψ→ωθ(1720) we may neglect the influence of the f'₂(1525).Whereas the production ratio of the f'₂(1525) is larger in the process J/ψ→φθ(1720),we must consider the coherence effects of the f'₂(1525).From the studies of the two processes and the corresponding J/ψ radiative decay we are able to understand the structure of the wide resonance θ(1720) better.