Splitting of the pi - rho spectrum in a renormalized light-cone QCD-inspired model
High Energy Physics - Phenomenology
2009-11-07 v2
Abstract
We show that the splitting between the light pseudo-scalar and vector meson states is due to the strong short-range attraction in the ^1S_0 sector which makes the pion and the kaon light particles. We use a light-cone QCD-inspired model of the mass squared operator with harmonic confinement and a Dirac-delta interaction. We apply a renormalization method to define the model, in which the pseudo-scalar ground state mass fixes the renormalized strength of the Dirac-delta interaction.
Cite
@article{arxiv.hep-ph/0207207,
title = {Splitting of the pi - rho spectrum in a renormalized light-cone QCD-inspired model},
author = {T. Frederico and Hans-Christian Pauli and Shan-Gui Zhou},
journal= {arXiv preprint arXiv:hep-ph/0207207},
year = {2009}
}
Comments
9 pages, 2 figures, revtex, accepted by Phys. Rev. D; Corrected typos