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

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

    Corresponding author: LI Xue-Feng,
    Corresponding author: ZHANG Ai-Lin,

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<mG<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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