Exotic Tetraquark Mesons in Large-$N_c$ Limit: an Unexpected Great Surprise
High Energy Physics - Phenomenology
2019-06-03 v1
Abstract
Two-ordinary-meson scattering in large- QCD implies consistency criteria for intermediate-tetraquark contributions. Their fulfilment at -leading order constrains the nature of the spectrum of genuinely exotic tetraquark states.
Cite
@article{arxiv.1808.05519,
title = {Exotic Tetraquark Mesons in Large-$N_c$ Limit: an Unexpected Great Surprise},
author = {Wolfgang Lucha and Dmitri Melikhov and Hagop Sazdjian},
journal= {arXiv preprint arXiv:1808.05519},
year = {2019}
}
Comments
5 pages, 4 figures, contributed to "QCD@Work 2018 - International Workshop on Quantum Chromodynamics: Theory and Experiment" (25 - 28 June 2018, Matera, Italy)