How the "H-particle" unravels the quark dynamics
High Energy Physics - Phenomenology
2009-10-30 v2 Nuclear Theory
Abstract
It is shown that the short-range part of the Goldstone boson exchange interaction between the constituent quarks which explains baryon spectroscopy and the short-range repulsion in the NN system induces a strong short-range repulsion in the flavour-singlet state of the system with . It then suggests that a deeply bound H-particle should not exist. We also compare our approach with other models employing different hyperfine interactions between quarks in the nonperturbative regime of QCD.
Cite
@article{arxiv.hep-ph/9707356,
title = {How the "H-particle" unravels the quark dynamics},
author = {Fl. Stancu and S. Pepin and L. Ya. Glozman},
journal= {arXiv preprint arXiv:hep-ph/9707356},
year = {2009}
}
Comments
9 pages. Section, devoted to the numerical estimate of the "H-particle" channel with the Goldstone boson exchange model, is extended. Discussion on the possible role of instantons is esentially modified