Determining the Spin and Parity of Particle X for the Process J/ψ→V1,X→V2+V3 by Using the Generalized Moment Analysis Method

  • The hadronic decay process J/ψ→V1+X,X→V2+V3,V2、V3→2P or 3P(Vi and P stand for vector and pseudoscalar meson,respectively)has been discussed by using the generalized moment analysis method in this paper.The formulas of moment corresponding to the intermediate state X with various spin-parity have been presented.The values of helicity amplitudes for the process X→V2+V3 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 values and data of some moments.
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SHEN Qi-Xing and YU Hong. Determining the Spin and Parity of Particle X for the Process J/ψ→V1,X→V2+V3 by Using the Generalized Moment Analysis Method[J]. Chinese Physics C, 1993, 17(6): 503-510.
SHEN Qi-Xing and YU Hong. Determining the Spin and Parity of Particle X for the Process J/ψ→V1,X→V2+V3 by Using the Generalized Moment Analysis Method[J]. Chinese Physics C, 1993, 17(6): 503-510. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Determining the Spin and Parity of Particle X for the Process J/ψ→V1,X→V2+V3 by Using the Generalized Moment Analysis Method

    Corresponding author: SHEN Qi-Xing,
  • Institute of High Energy Physics,Academia Sinica,Beijing 100039

Abstract: The hadronic decay process J/ψ→V1+X,X→V2+V3,V2、V3→2P or 3P(Vi and P stand for vector and pseudoscalar meson,respectively)has been discussed by using the generalized moment analysis method in this paper.The formulas of moment corresponding to the intermediate state X with various spin-parity have been presented.The values of helicity amplitudes for the process X→V2+V3 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 values and data of some moments.

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