f [N pi N]: from quarks to the pion derivative coupling

Details f [N pi N]: from quarks to the pion derivative coupling f [N pi N]: from quarks to the pion derivative coupling

1997-03-12

arxiv.org/abs/nucl-th/9703027v1

Phys.Rev.C55:834-847,1997

Physics

Nuclear Physics

Nuclear Theory

30 pages in LaTex RevTex, 6 postscript figures

Scientific paper

10.1103/PhysRevC.55.834

We study the N pi N coupling, in the framework of a QCD-inspired confining Nambu-Jona-Lasinio model. A simple relativistic confining and instantaneous quark model is reviewed. The Salpeter equation for the nucleon and the boosted pion is solved. The f [n pi n] and f[n pi Delta] couplings are calculated and they turn out to be reasonably good. The sensibility of f[n pi n] and f[n pi Delta] to confinement, chiral symmetry breaking and Lorentz invariance is briefly discussed.

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