TITLE:
Comparison of the Linear Sigma Model and Chiral Perturbation Theory for Nucleon Properties
AUTHORS:
Tarek Sayed Taha Ali
KEYWORDS:
Linear Sigma Model; Chiral Perturbation Theory and Static Nucleon Properties
JOURNAL NAME:
Journal of Modern Physics,
Vol.4 No.11,
November
12,
2013
ABSTRACT: We compare the static nucleon properties in the Chiral Perturbation Theory (χPT) and the Linear Sigma Model (LSM). We consider a chiral model for the nucleon which is based on the linear sigma model with scalar-isoscalar and scalarisovector mesons coupled to quarks. We have solved the field equations in the mean field approximation for the hedgehog baryon state with different sets of model parameters. A good investigation of some static nucleon properties is obtained by the LSM.