Scalar glueball in a soft-wall model of AdS/QCD

LI Xue-Feng; ZHANG Ai-Lin

doi:10.1088/1674-1137/38/1/013102

Chinese Physics C> 2014, Vol. 38> Issue(1) : 013102 DOI: 10.1088/1674-1137/38/1/013102

Scalar glueball in a soft-wall model of AdS/QCD

LI Xue-Feng ^1,, ,
ZHANG Ai-Lin ^2,,

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The scalar glueball is investigated in a soft-wall model of AdS/QCD. Constraints of the mass of the scalar glueball are given through an analysis of a relation between the bulk mass and the anomalous dimension. The mass of the ground scalar glueball is located at 0.96_-0.07^+0.04 GeV<m_G<1.36_-0.10^+0.05 GeV. In terms of a background dilaton field Φ(z)=cz², the two-point correlation function for the scalar gluon operator is obtained. The two-point correlation function at Δ=4 gives a different behavior compared with the one in QCD.

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LI Xue-Feng and ZHANG Ai-Lin. Scalar glueball in a soft-wall model of AdS/QCD[J]. Chinese Physics C, 2014, 38(1): 013102. doi: 10.1088/1674-1137/38/1/013102

LI Xue-Feng and ZHANG Ai-Lin. Scalar glueball in a soft-wall model of AdS/QCD[J]. Chinese Physics C, 2014, 38(1): 013102. doi: 10.1088/1674-1137/38/1/013102 shu

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Received: 2013-03-21
Revised: 2013-04-17

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Scalar glueball in a soft-wall model of AdS/QCD

Corresponding author: LI Xue-Feng,

Corresponding author: ZHANG Ai-Lin,

Received Date: 2013-03-21

Accepted Date: 2013-04-17

Available Online: 2014-01-05

Abstract: The scalar glueball is investigated in a soft-wall model of AdS/QCD. Constraints of the mass of the scalar glueball are given through an analysis of a relation between the bulk mass and the anomalous dimension. The mass of the ground scalar glueball is located at 0.96_-0.07^+0.04 GeV<m_G<1.36_-0.10^+0.05 GeV. In terms of a background dilaton field Φ(z)=cz², the two-point correlation function for the scalar gluon operator is obtained. The two-point correlation function at Δ=4 gives a different behavior compared with the one in QCD.

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Scalar glueball in a soft-wall model of AdS/QCD

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