Glueball Masses from Supergravity with Flavor

2004/11/07 by Kenji Suzuki, Suzuki, Kenji
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Theory (hep-th) #hep-th

paper · pdf · doi:10.48550/arxiv.hep-th/0411076

10 pages; references added, comments changed and added

arxiv created 2005/03/30 · arxiv updated 2009/12/01

Abstract

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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