QUARK AND GLUON CONTENT OF η、η′AND ι(1440),THEIR DECAYS IN TWO PHOTONS AND PRODUCTIONS IN J/ψ RADIATIVE DECAY

YU Hong

Chinese Physics C> 1988, Vol. 12> Issue(6) : 754-760

QUARK AND GLUON CONTENT OF η、η′AND ι(1440),THEIR DECAYS IN TWO PHOTONS AND PRODUCTIONS IN J/ψ RADIATIVE DECAY

YU Hong ^,

Institute of High Energy Physics,Academia Sinicas,Beijing

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Abstract：
In this paper we introduce the annihilation terms decribing transitions q_iq_i→q_jq_j and q_iq_i→(gg) and consider the SU(3) breaking effect for these terms.We discuss the mixing mechanism of η,η′and ι and obtain the quark and gluon content of η,η′and ι.At the sametime we introduce EPCAC (Extended Partially Conserved Axial-vector Current) hypothesis and examine η,η′and ι decays in two photons.We calculate yet the ratio R₁=Γ(J/ψ→γη′)/Γ(J/ψ→γη) and R₂=Γ(J/ψ→γη′)/Γ(J/ψ→γι) and point out the experimental restriction for the pure glueball mass.

References

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YU Hong. QUARK AND GLUON CONTENT OF η、η′AND ι(1440),THEIR DECAYS IN TWO PHOTONS AND PRODUCTIONS IN J/ψ RADIATIVE DECAY[J]. Chinese Physics C, 1988, 12(6): 754-760.

YU Hong. QUARK AND GLUON CONTENT OF η、η′AND ι(1440),THEIR DECAYS IN TWO PHOTONS AND PRODUCTIONS IN J/ψ RADIATIVE DECAY[J]. Chinese Physics C, 1988, 12(6): 754-760. 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

QUARK AND GLUON CONTENT OF η、η′AND ι(1440),THEIR DECAYS IN TWO PHOTONS AND PRODUCTIONS IN J/ψ RADIATIVE DECAY

YU Hong ^,

Corresponding author: YU Hong,

Institute of High Energy Physics,Academia Sinicas,Beijing

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1988-12-05

Abstract: In this paper we introduce the annihilation terms decribing transitions q_iq_i→q_jq_j and q_iq_i→(gg) and consider the SU(3) breaking effect for these terms.We discuss the mixing mechanism of η,η′and ι and obtain the quark and gluon content of η,η′and ι.At the sametime we introduce EPCAC (Extended Partially Conserved Axial-vector Current) hypothesis and examine η,η′and ι decays in two photons.We calculate yet the ratio R₁=Γ(J/ψ→γη′)/Γ(J/ψ→γη) and R₂=Γ(J/ψ→γη′)/Γ(J/ψ→γι) and point out the experimental restriction for the pure glueball mass.