Multi-channel Coupling in the Hadronic Decay Process J/ψ→ωπ<SUP>+</SUP>π<SUP>－</SUP>

Yu Hong; Shen Qixing

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2024年10月30日

Chinese Physics C> 1997, Vol. 21> Issue(2) : 123-129

Multi-channel Coupling in the Hadronic Decay Process J/ψ→ωπ⁺π^－

Yu Hong ^, ,
Shen Qixing

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

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Abstract：
The coupling problem of the three different intermediate processes J/ψ→ωf₂(1270),f₂→π⁺π^－ and J/ψ→b₁^±(1235)π⁺,b₁^±→ωπ^± included in the hadronic decay process J/ψ→ωπ⁺π^－ is discussed.The consideration of the coupling effect is very important for measuring the parameters of the resonances f₂ and b₁^± and the helicity amplitude ratios of these reactions precisely.

References

[1]

Rev. of Particle Properties,Phys Rev., D50(1994)1177.[2] J. E. Augustin et al. Nucl.Phys B320(1989)1: L. William et al., Proceedingr of hadron 89, P.109.[3]G Gidal et al. Phys. Lett., 107B(1981)153; A. Falvard et al,Phys.Rev., D38(1988)2706.[4] 白景芝等, 高能物理与核物理, 17(1993)97.[5] 白景芝等, 高能物理与核物理, 19(1995)Z89.[6] 郁宏、沈齐兴, 高能物理与核物理, 14(1990)504.[7] P.K.Kabir, A.J.G.Hey, Phys. Rev, D13(1976)3161.[8] J.E.Augustin et al., Phys. Rev, D46(1992)1951; Z. Bai et al., Phys. Rev. Lett., 65(1990)2057, A.M.Ma, Ph. D. Thesis, , BES, 1995.[9] 张霖、郁宏、沈齐兴, 高能物理与核物理, 19(1995)800.

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Yu Hong and Shen Qixing. Multi-channel Coupling in the Hadronic Decay Process J/ψ→ωπ⁺π^－[J]. Chinese Physics C, 1997, 21(2): 123-129.

Yu Hong and Shen Qixing. Multi-channel Coupling in the Hadronic Decay Process J/ψ→ωπ⁺π^－[J]. Chinese Physics C, 1997, 21(2): 123-129. 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

Multi-channel Coupling in the Hadronic Decay Process J/ψ→ωπ⁺π^－

Yu Hong ^,
Shen Qixing

Corresponding author: Yu Hong,

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

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1997-02-05

Abstract: The coupling problem of the three different intermediate processes J/ψ→ωf₂(1270),f₂→π⁺π^－ and J/ψ→b₁^±(1235)π⁺,b₁^±→ωπ^± included in the hadronic decay process J/ψ→ωπ⁺π^－ is discussed.The consideration of the coupling effect is very important for measuring the parameters of the resonances f₂ and b₁^± and the helicity amplitude ratios of these reactions precisely.