A Possible New Resonance State──Spin-Parity Analysis of the X Resonance in J/ψ→X＋f<SUB>0</SUB> (975) Process

Yu Hong; Shen Qixing

Chinese Physics C> 1994, Vol. 18> Issue(12) : 1143-1146

A Possible New Resonance State──Spin-Parity Analysis of the X Resonance in J/ψ→X＋f₀ (975) Process

Yu Hong ^, ,
Shen Qixing

Institute of High Energy Physics,Academia Sinica, Beijing 100039

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Abstract：
The boson resonance state X is produced in company with f₀(975)in the J/ψ hadronic decay process.If the X particle decays into a pair of pseudoscalar mesons its spin-parity is J^pc=(odd)^－－.The helicity formalism of angular distribution of the process has been given. How to discriminate 1^－－ meson from 3^－－ meson for the X particle has been discussed. We think that the X1(1573) which has been observed in the four prong channel(K⁺K^－π⁺π^－) and in company with f₀(975)(→π⁺π^－)by BES collaboration may be a new resonance state.

References

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Yu Hong and Shen Qixing. A Possible New Resonance State──Spin-Parity Analysis of the X Resonance in J/ψ→X＋f₀ (975) Process[J]. Chinese Physics C, 1994, 18(12): 1143-1146.

Yu Hong and Shen Qixing. A Possible New Resonance State──Spin-Parity Analysis of the X Resonance in J/ψ→X＋f₀ (975) Process[J]. Chinese Physics C, 1994, 18(12): 1143-1146. shu

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Received: 1900-01-01
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A Possible New Resonance State──Spin-Parity Analysis of the X Resonance in J/ψ→X＋f₀ (975) Process

Yu Hong ^,
Shen Qixing

Corresponding author: Yu Hong,

Institute of High Energy Physics,Academia Sinica, Beijing 100039

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1994-12-05

Abstract: The boson resonance state X is produced in company with f₀(975)in the J/ψ hadronic decay process.If the X particle decays into a pair of pseudoscalar mesons its spin-parity is J^pc=(odd)^－－.The helicity formalism of angular distribution of the process has been given. How to discriminate 1^－－ meson from 3^－－ meson for the X particle has been discussed. We think that the X1(1573) which has been observed in the four prong channel(K⁺K^－π⁺π^－) and in company with f₀(975)(→π⁺π^－)by BES collaboration may be a new resonance state.

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A Possible New Resonance State──Spin-Parity Analysis of the X Resonance in J/ψ→X＋f₀ (975) Process

A Possible New Resonance State──Spin-Parity Analysis of the X Resonance in J/ψ→X＋f₀ (975) Process