Glueball Masses from Supergravity with Flavor

Details Glueball Masses from Supergravity with Flavor Glueball Masses from Supergravity with Flavor

2004-11-07

arxiv.org/abs/hep-th/0411076v3

Physics

High Energy Physics

High Energy Physics - Theory

10 pages; references added, comments changed and added

Scientific paper

We study the glueballs in a four-dimensional ${\cal N}=2$ super Yang-Mills theory with fundamental matters in terms of the supergravity dual. The supergravity background is constructed by $N$ D3 brane with a probe D7 brane. We numerically compute the glueball masses for $0^{++}$ and $1^{--}$ in the background. We find that the mass ratio of $0^{++}$ glueballs is mostly in agreement with the lattice calculations. We compare the glueball masses with the meson masses. The mass ratio $M_{GB}/M_{meson}$ is calculated with 1.4. If the mass $M_{GB}$ is set to $1.6 GeV$, the meson mass $M_{meson}$ is given with $1.1 GeV$.

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