Mixing Effect on the Scalar Glueball Mass in QCD Sum Rules

Huang Tao; Jin Hongying; Zhang Ailin

Chinese Physics C> 1999, Vol. 23> Issue(1) : 79-86

Mixing Effect on the Scalar Glueball Mass in QCD Sum Rules

Institute of High Energy Physics, CAS, Beijing 100039 China

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Abstract：
We consider the mass dependence on the mixing between a pure glueball and a normal qq meson in QCD sum rules. In the normal correlation functions, the gluonic current and qq current are assumed to couple to both glueball and qq states. By using the low-energy theorem, we construct a sum rule for the mixing correlation function (the gluonic current and the qq current). Through these relationships and based on the assumption of two states (one glueball and one qq meson) dominance, we find the masses of the 0⁺⁺ lowest-lying glueball and qq meson.

References

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Huang Tao, Jin Hongying and Zhang Ailin. Mixing Effect on the Scalar Glueball Mass in QCD Sum Rules[J]. Chinese Physics C, 1999, 23(1): 79-86.

Huang Tao, Jin Hongying and Zhang Ailin. Mixing Effect on the Scalar Glueball Mass in QCD Sum Rules[J]. Chinese Physics C, 1999, 23(1): 79-86. shu

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Received: 1998-06-18
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

Mixing Effect on the Scalar Glueball Mass in QCD Sum Rules

Corresponding author: Huang Tao,

Institute of High Energy Physics, CAS, Beijing 100039 China

Received Date: 1998-06-18
Accepted Date: 1900-01-01
Available Online: 1999-01-05

Abstract: We consider the mass dependence on the mixing between a pure glueball and a normal qq meson in QCD sum rules. In the normal correlation functions, the gluonic current and qq current are assumed to couple to both glueball and qq states. By using the low-energy theorem, we construct a sum rule for the mixing correlation function (the gluonic current and the qq current). Through these relationships and based on the assumption of two states (one glueball and one qq meson) dominance, we find the masses of the 0⁺⁺ lowest-lying glueball and qq meson.