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

A Moment Analysis for the J/ψHadronic Decay Processes

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

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In this paper the helicity formalism of the angular distributions for processes e ⁺e ^-→J/ ψ→V + X, V→P ₁P ₂or V→P ₁P ₂P ₃and X→P Pare 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 _xof the boson resonance X and the helicity amplitude ratios of the process/ ψ→V + X.

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

Yu Hong and Shen Qixing. A Moment Analysis for the J/ ψHadronic 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/ψHadronic 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→P₁P₂or V→P₁P₂P₃and X→PPare 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 spinJ_xof the boson resonance X and the helicity amplitude ratios of the process/ψ→V + X.