Diquarks and pentaquark nature
High Energy Physics - Phenomenology
2015-06-25 v1
Abstract
The relativistic five-quark equations are found in the framework of the dispersion relation technique. The five-quark amplitudes for the low-lying pentaquarks including the u,d,s-quarks are calculated. The poles of these amplitudes determine the masses of N- and Xi- pentaquarks. The mass spectra of the lowest pentaquarks with the 1/2+,1/2-,3/2+ are calculated. The mass values of the positive and negative parity pentaquarks are determined by the mixing of both 0+ and 1+ diquarks.
Cite
@article{arxiv.hep-ph/0405238,
title = {Diquarks and pentaquark nature},
author = {S. M. Gerasyuta and V. I. Kochkin},
journal= {arXiv preprint arXiv:hep-ph/0405238},
year = {2015}
}
Comments
15 pages, 3 figures, pdf