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Chinese Physics C > 1993, Vol. 17 > Issue(S2): 117-124

Determination of the Spin-parity of the Particle X for the Process J/ψV1+X, X→V2+V3by Using the Generalized Moment Analysis

  • Institute of High Energy Physics, Chinese Academy of Science, Beijing, China

  • The hadronic decay process of J/ ψ, J/ ψ→V 1+ X, X→V 2+ V 3, V 2, V 3→2P or 3P (where V iand P represent the massive vector and pseudoscalar mesons, respectively), is discussed by using the generalized moment analysis in this paper. The corresponding moment formulae for the intermediate state X with various spin-parity are presented. The values of helicity amplitudes for the X→V 2+ V 3process are calculated in the nonrelativistic case. The spin, parity and partial wave state of the intermediate particle X can be determined by comparing the theoretical moments with the data.
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Shen Qixing and Yu Hong. Determination of the Spin-parity of the Particle X for the Process J/ ψV 1+X, X→V 2+V 3by Using the Generalized Moment Analysis[J]. Chinese Physics C, 1993, 17(S2): 117-124.
Shen Qixing and Yu Hong. Determination of the Spin-parity of the Particle X for the Process J/ ψV 1+X, X→V 2+V 3by Using the Generalized Moment Analysis[J]. Chinese Physics C, 1993, 17(S2): 117-124. shu
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Received: 1992-05-13
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    Supported by the National Natural Science Foundation of China and the Grant LWTZ-1298 from the Chinese Academy of Sciences.

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    Determination of the Spin-parity of the Particle X for the Process J/ψV1+X, X→V2+V3by Using the Generalized Moment Analysis

    • Institute of High Energy Physics, Chinese Academy of Science, Beijing, China
    • Received Date:1992-05-13
    Fund Project:Supported by the National Natural Science Foundation of China and the Grant LWTZ-1298 from the Chinese Academy of Sciences.

      Abstract:The hadronic decay process of J/ψ, J/ψ→V1+ X, X→V2+ V3, V2, V3→2P or 3P (where Viand P represent the massive vector and pseudoscalar mesons, respectively), is discussed by using the generalized moment analysis in this paper. The corresponding moment formulae for the intermediate state X with various spin-parity are presented. The values of helicity amplitudes for the X→V2+ V3process are calculated in the nonrelativistic case. The spin, parity and partial wave state of the intermediate particle X can be determined by comparing the theoretical moments with the data.

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