Angular Distributions and Generalized Moment Analysis for the Doubly Radiative Decay J/ψ → γγV

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Shen Qixing and Yu Hong. Angular Distributions and Generalized Moment Analysis for the Doubly Radiative Decay J/ψ → γγV[J]. Chinese Physics C, 1992, 16(S3): 253-265.
Shen Qixing and Yu Hong. Angular Distributions and Generalized Moment Analysis for the Doubly Radiative Decay J/ψ → γγV[J]. Chinese Physics C, 1992, 16(S3): 253-265. shu
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Received: 1991-11-26
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    Supported by the National Natural Science Foundation of China.

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Angular Distributions and Generalized Moment Analysis for the Doubly Radiative Decay J/ψ → γγV

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

Abstract: The doubly radiative decay process J/ψ → γX, X→γV, V→2P (or 3P) is discussed in this paper. For the intermediate state X with various spin-parity JP, the corresponding helicity formula of angular distribution formulas and the moments developed from the generalized moment analysis are presented. They are useful for determining the spin of the intermediate state.

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