We analyze the meson spectrum in SU(N_c) lattice gauge theory. We use Wilson quarks to measure the pseudoscalar and vector masses in SU(2), SU(3), SU(4) and SU(6), and extrapolate to the large-N_c limit. We find that finite-N_c corrections are small at all values of the quark mass.
@article{arxiv.0708.3427,
title = {Meson masses at large N_c},
author = {Gunnar Bali and Francis Bursa},
journal= {arXiv preprint arXiv:0708.3427},
year = {2008}
}
Comments
7 pages, 4 figures, talk presented at XXV International Symposium on Lattice Field Theory, July 30 - August 4 2007, Regensburg, Germany