The large-$N_c$ limit and the behavior of $g_A^{(0)}$ and $g_A$

Details The large-$N_c$ limit and the behavior of $g_A^{(0)}$ and $g_A$ The large-$N_c$ limit and the behavior of $g_A^{(0)}$ and $g_A$

1995-06-16

arxiv.org/abs/hep-ph/9506342v1

Phys.Lett. B358 (1995) 184-190

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages. One ps figure, which can be included in the text using epsf.sty. Ps file for complete document obtainable at ftp:/

Scientific paper

10.1016/0370-2693(95)01024-K

We investigate the isoscalar and isovector components of the axial vector coupling constants, $g_A^{(0)}$ and $g_A$, using algebraic models that lead to the correct symmetries of large-$N_c$ QCD. Results obtained previously in various chiral models are interpreted from this algebraic point of view. The results of the Skyrme model and the valence quark model are explained by simple realizations of the algebra.

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