Low-Energy Scattering of Heavy-Light Mesons from Nucleons

被引：1
|
作者：
Fontoura, C. E. [1 ]
Krein, G. [1 ]
机构：
[1] Univ Estadual Paulista, Inst Fis Teor, BR-01140070 Sao Paulo, Brazil
来源：
FEW-BODY SYSTEMS | 2011年 / 50卷 / 1-4期
关键词：
Chiral Symmetry; Gluon Propagator; Coulomb Gauge; Meson Exchange; Chiral Quark Model;
D O I：
10.1007/s00601-010-0130-8
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the low-energy scattering of charmed (D) and strange (K) mesons by nucleons. The short-distance part of the interaction is due to quark-gluon interchanges derived from a model that realizes dynamical chiral symmetry breaking and confines color. The quark-gluon interaction incorporates a confining Coulomb-like potential extracted from lattice QCD simulations in Coulomb gauge and a transverse hyperfine interaction consistent with a finite gluon propagator in the infrared. The long-distance part of the interaction is due to single vector (rho, omega) and scalar (sigma) meson exchanges. We show results for scattering cross-sections for isospin I = 0 and I = 1.
引用
收藏
页码：219 / 221
页数：3
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