An Alternative Mechanism of Glueball Production in the J/ψ Radiative Decays

PENG Hong-An; DUAN Chun-Gui; YAN Zhan-Yuan; HE Zhen-Min

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2002, Vol. 26> Issue(8) : 747-752

An Alternative Mechanism of Glueball Production in the J/ψ Radiative Decays

Department of Physics,Peking University,Beijing 10087,China2 Department of Physics,Hebei Teachers'University,Shijiazhuang 050016,China3 Department of Physics,North china Electric Power University,Baoding 071003,China

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Abstract：
Based on the physical implication of the unusually large mass scale and long live time characteristics of J/ψ particle and on the understanding of the requirement of glueball production,we proposed an alternative mechanism of glueball production in J/ψ radiative decay: the glueball G_b could be formed via fusion of a pair of constituent gluons which are emitted whenever the constituent charm quark and anti-quark in J/ψ transit into current charm quark and anti-quark,and remained current charm quark-pair annihilates into a photon. After a brief discussion of model parameters,we evaluate the partial width Γ J/ψ→Gb+γ,and compare it with the result from the mechanism where the glueball is produced via hadronazation of two emitted gluons in the J/ψ radiative decay.

References

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PENG Hong-An, DUAN Chun-Gui, YAN Zhan-Yuan and HE Zhen-Min. An Alternative Mechanism of Glueball Production in the J/ψ Radiative Decays[J]. Chinese Physics C, 2002, 26(8): 747-752.

PENG Hong-An, DUAN Chun-Gui, YAN Zhan-Yuan and HE Zhen-Min. An Alternative Mechanism of Glueball Production in the J/ψ Radiative Decays[J]. Chinese Physics C, 2002, 26(8): 747-752. shu

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Received: 2002-02-06
Revised: 1900-01-01

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

An Alternative Mechanism of Glueball Production in the J/ψ Radiative Decays

Corresponding author: PENG Hong-An,

Department of Physics,Peking University,Beijing 10087,China2 Department of Physics,Hebei Teachers'University,Shijiazhuang 050016,China3 Department of Physics,North china Electric Power University,Baoding 071003,China

Received Date: 2002-02-06
Accepted Date: 1900-01-01
Available Online: 2002-08-05

Abstract: Based on the physical implication of the unusually large mass scale and long live time characteristics of J/ψ particle and on the understanding of the requirement of glueball production,we proposed an alternative mechanism of glueball production in J/ψ radiative decay: the glueball G_b could be formed via fusion of a pair of constituent gluons which are emitted whenever the constituent charm quark and anti-quark in J/ψ transit into current charm quark and anti-quark,and remained current charm quark-pair annihilates into a photon. After a brief discussion of model parameters,we evaluate the partial width Γ J/ψ→Gb+γ,and compare it with the result from the mechanism where the glueball is produced via hadronazation of two emitted gluons in the J/ψ radiative decay.