Spin and parity analysis for the three-step two-body hadronic decay processes of J/ψ

SHEN Qi-Xing; YU Hong

Chinese Physics C> 1992, Vol. 16> Issue(3) : 219-228

Spin and parity analysis for the three-step two-body hadronic decay processes of J/ψ

SHEN Qi-Xing ^, ,
YU Hong

Institute of High Energy Physics,Academia Sinica,Beijing 100039

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Abstract：
The helicity formalism of the angular distribution for the cascade decay process e⁺+e^－→J/ψ→V+X,X→P₁+Y,Y→P₂+P₃ (V represents a vector meson and P_i(i=1,2,3) are the pseudoscalar mesons) is presented in this paper.It provides the theoretical formulas for the spin-parity analysis of the intermediate state X through a three-step two-body hadronic decay processes of J/ψ.

References

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D. L. Scharre et al.,Phys. Lett., 97B(1980), 329; C. Edwards et al Phys.Rev.Lett.,49(1982),259; W. Toki,SLAGPUB-3262(1983); J,-E. Augustin et al., Phys.Rev D42(1990),10.[2] C. Edwards et al., Phys. Rev. Lett., 48(1982), 458; R. M. Baltrusaitis et al，Phys. Rev., D35(1987), 2077; J.E. Augustin et al., Phys. Rev. Lett., 60(1988), 2238.[3] K. F. Einsweiler, SLAC-PUB-3202(1983);R. M. Baltrusaitis et al., Phys. Rev. Lett., 56(1986), 107[4] 沈齐兴，高能物理与核物理，15(1991),358,[5] G. Szklarz, LAL 89-61 (1989).[6] Z. Bai et al，Phys. Rev. Lett., 65(1990), 2507.[7] D. C'offman et al., Phys. Rev., D38(1988), 2695[8] J. Jousset et al., Phys. Rev., D41(1990), 1389.[9] L. Kopke and N. Wermes, Phys. Rep., 174(1989), 67.[10] J. J. Becker et al., Phys. Rev. Lett., 59(1987), 186[11] S. Banerjee, Phys. Rev., D40(1989), 3641.

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SHEN Qi-Xing and YU Hong. Spin and parity analysis for the three-step two-body hadronic decay processes of J/ψ[J]. Chinese Physics C, 1992, 16(3): 219-228.

SHEN Qi-Xing and YU Hong. Spin and parity analysis for the three-step two-body hadronic decay processes of J/ψ[J]. Chinese Physics C, 1992, 16(3): 219-228. 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

Spin and parity analysis for the three-step two-body hadronic decay processes of J/ψ

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: 1992-03-05

Abstract: The helicity formalism of the angular distribution for the cascade decay process e⁺+e^－→J/ψ→V+X,X→P₁+Y,Y→P₂+P₃ (V represents a vector meson and P_i(i=1,2,3) are the pseudoscalar mesons) is presented in this paper.It provides the theoretical formulas for the spin-parity analysis of the intermediate state X through a three-step two-body hadronic decay processes of J/ψ.