Large-N Structure of Tetraquark Mesons
High Energy Physics - Phenomenology
2013-10-30 v2 Nuclear Theory
Abstract
Following Weinberg's argument that narrow tetraquark mesons are not precluded in large N_c QCD, we explore the flow of N_c factors needed for the consistency of this picture, and show that they must arise in a novel way, not simply through the usual combinatoric counting.
Cite
@article{arxiv.1308.2657,
title = {Large-N Structure of Tetraquark Mesons},
author = {Richard F. Lebed},
journal= {arXiv preprint arXiv:1308.2657},
year = {2013}
}
Comments
5 pages, revtex. Clarifications added to improve presentation. Version accepted for publication in PRD