A Moment Analysis for the J/<i>ψ</i> Hadronic Decay Processes

Yu Hong; Shen Qixing

Chinese Physics C> 1990, Vol. 14> Issue(S4) : 353-360

A Moment Analysis for the J/ψ Hadronic Decay Processes

Yu Hong ,
Shen Qixing

Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China

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Abstract：
In this paper the helicity formalism of the angular distributions for processes e⁺e^-→J/ψ→V + X, V→P₁P₂ or V→P₁P₂P₃ and X→PP are given simultaneously. On the basis of the formalism a moment analysis is made and some relations are obtained which can be used for determining the spin J_x of the boson resonance X and the helicity amplitude ratios of the process/ψ→V + X.

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[13]	Yu Hong , Shen Qixing , Zhu Yucan , Zheng Zhipeng , Cheng Zhengdong . Moment Analysis of the Wide Resonance θ(1720) in J/ψ Radiative Decay. Chinese Physics C, 1992, 16(S3): 267-276.
[14]	Shen Qixing , Yu Hong . Angular Distributions and Generalized Moment Analysis for the Doubly Radiative Decay J/ψ → γγV. Chinese Physics C, 1992, 16(S3): 253-265.
[15]	Shen Qinxing , Yu Hong . Angular Distributions Analysis for the Hadronic Decay Process. Chinese Physics C, 1992, 16(S4): 401-410.
[16]	Qixing Shen , Hong Yu . Spin and Parity Analysis for the Three-Step Two-Body Hadronic Decay Processes of J/ψ. Chinese Physics C, 1992, 16(S1): 41-50.
[17]	Yu Hong , Shen Qixing . J/ψ Hadronic Decay and 1^-+ Exotic State. Chinese Physics C, 1991, 15(S3): 283-287.
[18]	YU Hong , SHEN Qi-Xing . THE MOMENT ANALYSIS FOR THE J/ψ HADRONIC DECAY PROCESS. Chinese Physics C, 1990, 14(10): 875-881.
[19]	Yu Hong , Shen Qixin . Helicity Formalism of the Angular Distribution for the J/ψ Hadronic Decay Processes. Chinese Physics C, 1990, 14(S3): 259-263.
[20]	Yu Hong . The Ɩ/E Puzzle and the Moment Analysis. Chinese Physics C, 1989, 13(S2): 181-184.

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Yu Hong and Shen Qixing. A Moment Analysis for the J/ψ Hadronic Decay Processes[J]. Chinese Physics C, 1990, 14(S4): 353-360.

Yu Hong and Shen Qixing. A Moment Analysis for the J/ψ Hadronic Decay Processes[J]. Chinese Physics C, 1990, 14(S4): 353-360. shu

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Received: 1990-01-31

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Supported by the National Natural Science Foundation of China.

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沈阳化工大学材料科学与工程学院沈阳 110142

A Moment Analysis for the J/ψ Hadronic Decay Processes

Yu Hong
Shen Qixing

Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China

Received Date: 1990-01-31

Fund Project: Supported by the National Natural Science Foundation of China.

Abstract: In this paper the helicity formalism of the angular distributions for processes e⁺e^-→J/ψ→V + X, V→P₁P₂ or V→P₁P₂P₃ and X→PP are given simultaneously. On the basis of the formalism a moment analysis is made and some relations are obtained which can be used for determining the spin J_x of the boson resonance X and the helicity amplitude ratios of the process/ψ→V + X.