Study of ξ(2230) Produced in J/ψ Radiative Decay Process

Chao Ming; Shen Qixing; Yu Hong

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2024年10月30日

Chinese Physics C> 1998, Vol. 22> Issue(7) : 607-613

Study of ξ(2230) Produced in J/ψ Radiative Decay Process

Institute of High Energy Physics,The Chinese Academy of Sciences,Beijing 100039

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Abstract：
The processes e⁺e^－→J/ψ→γ+X, X→pp are discussed usiag the generalized moment analysis method. The moment expressions of the above processes are given, And they are used to detennine the spin of the resonance X decaying to pp. The helicity arnplitude ratios of the ahove processes in terms of moment expressions are also given.

References

[1]

Einsweiler K F. SLAC-PUB-3202(1983)[2] Bai J Z et al. Phys. Rev. Lett., 1996, 76:3052[3] Blundell H G. Godfrey S. Phys. Rev., 1996, D53:3700[4] Godfrey S, Kokoski R, Isgur N. Phys. Lett, 1984, B141:439[5] Chao K T. Phys. Rev. Lett., 1988, 60:2579; Commun. Theor. Phys., 1984,3:757; Pakvasa S, Suzuki M, Tuan S F. Phys. Lett., 1984, B145:135[6] Ono S. Phys. Rev., 1987, D35:944[7] Shatz M P. Phys. Lett, 1984, B138:209[8] Chanowitz M S, Sharpe S R Phys. Lett, 1983, B132:413; Le Yaouanc M et al. Z. Phys., 1985, C28:309[9] Shen Q X, Yu H. Phys. Lett, 1990, B247:418; Ward B F L. Phys. Rev., 1985, D31:2849[10] Huang T, Jin Shan, Zhang Dahua et al. Phys. Lett, 1996, B380: 189[11] UKQCD Collaboration, Bali G S et al. Phys. Lett., 1993, B309:378[12] Chao K T. Cornrnun. Theor. Phys., 1995, 24:373[13] Barnes P D et al. Phys. Lett., 1993, B309:469; Hasan A, Bugg D A. Phys. Lett, 1996,B388:376[14] Yu Hong. High Energ. Phys. and Nucl. Phys. (in Chinese), 1989, 13:87(郁宏。高能物理与核物理,1989,13:87)[15] Zhang Lie, Yu Hong, Shen Qixing. High Energ. Phys. and Nucl. Phys. (in Chinese), 1996, 20:280(张林,郁宏,沈齐兴。高能物理与核物理,1996,20:280)[16] Gaiser J E et al. Phys. Rev., 1986, D34:711

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Chao Ming, Shen Qixing and Yu Hong. Study of ξ(2230) Produced in J/ψ Radiative Decay Process[J]. Chinese Physics C, 1998, 22(7): 607-613.

Chao Ming, Shen Qixing and Yu Hong. Study of ξ(2230) Produced in J/ψ Radiative Decay Process[J]. Chinese Physics C, 1998, 22(7): 607-613. shu

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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

Study of ξ(2230) Produced in J/ψ Radiative Decay Process

Corresponding author: Chao Ming,

Institute of High Energy Physics,The Chinese Academy of Sciences,Beijing 100039

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1998-07-05

Abstract: The processes e⁺e^－→J/ψ→γ+X, X→pp are discussed usiag the generalized moment analysis method. The moment expressions of the above processes are given, And they are used to detennine the spin of the resonance X decaying to pp. The helicity arnplitude ratios of the ahove processes in terms of moment expressions are also given.