Chinese Physics C > 1993, Vol. 17 > Issue(6): 503-510

Determining the Spin and Parity of Particle X for the Process J/ψ→V₁,X→V₂+V₃by Using the Generalized Moment Analysis Method

SHEN Qi-Xing^,,
YU Hong

Institute of High Energy Physics,Academia Sinica,Beijing 100039

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Abstract：
The hadronic decay process J/ψ→V ₁+X,X→V ₂+V ₃,V ₂、V ₃→2P or 3P(V _iand 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→V ₂+V ₃are 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.

References

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SHEN Qi-Xing and YU Hong. Determining the Spin and Parity of Particle X for the Process J/ψ→V ₁,X→V ₂+V ₃by Using the Generalized Moment Analysis Method[J]. Chinese Physics C, 1993, 17(6): 503-510.

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Determining the Spin and Parity of Particle X for the Process J/ψ→V₁,X→V₂+V₃by Using the Generalized Moment Analysis Method

SHEN Qi-Xing^,
YU Hong

Corresponding author:SHEN Qi-Xing,

Institute of High Energy Physics,Academia Sinica,Beijing 100039

Received Date:1900-01-01
Accepted Date:1900-01-01
Available Online:1993-06-05

Abstract:The hadronic decay process J/ψ→V₁+X,X→V₂+V₃,V₂、V₃→2P or 3P(V_iand 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+V₃are 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.