Scalar Mesons and glueballs in $Dp-Dq$ hard-wall models

Details Scalar Mesons and glueballs in $Dp-Dq$ hard-wall models Scalar Mesons and glueballs in $Dp-Dq$ hard-wall models

2009-02-05

arxiv.org/abs/0902.0864v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 4 tables

Scientific paper

We investigate light scalar mesons and glueballs in the $Dp-Dq$ hard-wall models, including $D3-Dq$, $D4-Dq$, and $D6-Dq$ systems. It is found that only in the $D4-D6$ and $D4-D8$ hard wall models, the predicted masses of the ${\bar q} q$ scalar meson $f_0$, scalar glueball are consistent with their experimental or lattice results. This indicates that $D4-D6$ and $D4-D8$ hard-wall models are favorite candidates of the realistic holographic QCD model.

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