Pseudoscalar-Meson Mixing in J/ψ Decays

FANG Shuang-Shi; ZHU Yu-Can; LU Gong-Ru

Chinese Physics C> 2003, Vol. 27> Issue(6) : 484-488

Pseudoscalar-Meson Mixing in J/ψ Decays

Institute of High Energy of Physics, CAS, Beijing 100039, China2 Henan Normal University, Xinxiang 453002, China

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Abstract：
Based on the bracnhing fractions of J/ψ→VP, γP quoted in PDG-2000, we reexamined the quark content of pseudoscalars. If there is no gluonium content in η and η′, the mixing angle θ_P=(－19.18±0.91)°. We also present a discussion for DOZI contribution, SU(3) breaking and scalar-meson mixing.

References

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FANG Shuang-Shi, ZHU Yu-Can and LU Gong-Ru. Pseudoscalar-Meson Mixing in J/ψ Decays[J]. Chinese Physics C, 2003, 27(6): 484-488.

FANG Shuang-Shi, ZHU Yu-Can and LU Gong-Ru. Pseudoscalar-Meson Mixing in J/ψ Decays[J]. Chinese Physics C, 2003, 27(6): 484-488. shu

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Received: 2002-08-15
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

Pseudoscalar-Meson Mixing in J/ψ Decays

Corresponding author: FANG Shuang-Shi,

Institute of High Energy of Physics, CAS, Beijing 100039, China2 Henan Normal University, Xinxiang 453002, China

Received Date: 2002-08-15
Accepted Date: 1900-01-01
Available Online: 2003-06-05

Abstract: Based on the bracnhing fractions of J/ψ→VP, γP quoted in PDG-2000, we reexamined the quark content of pseudoscalars. If there is no gluonium content in η and η′, the mixing angle θ_P=(－19.18±0.91)°. We also present a discussion for DOZI contribution, SU(3) breaking and scalar-meson mixing.