Meson-baryon coupling constants from a chiral-invariant SU(3) Lagrangian and application to NN scattering

V. G. J. Stoks; Th. A. Rijken

doi:10.1016/S0375-9474(96)00462-9

Meson-baryon coupling constants from a chiral-invariant SU(3) Lagrangian and application to NN scattering

Nuclear Theory 2016-09-08 v1

Authors: V. G. J. Stoks , Th. A. Rijken

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Abstract

We present a chiral-invariant meson-baryon Lagrangian which describes the interactions of the baryon octet with the lowest-mass meson nonets. The nonlinear realization of the chiral symmetry generates pair-meson interaction vertices. The corresponding pair-meson coupling constants can all be expressed in terms of the meson-nucleon-nucleon pseudovector, scalar, and vector coupling constants, and their corresponding $F/(F+D)$ ratios, and for which empirical estimates are given. We show that it is possible to construct an NN potential of reasonable quality satisfying these theoretical and empirical constraints.

Keywords

meson-baryon coupling chiral-invariant lagrangian su(3) baryon octet nn potential pseudovector coupling

Cite

@article{arxiv.nucl-th/9611002,
  title  = {Meson-baryon coupling constants from a chiral-invariant SU(3) Lagrangian and application to NN scattering},
  author = {V. G. J. Stoks and Th. A. Rijken},
  journal= {arXiv preprint arXiv:nucl-th/9611002},
  year   = {2016}
}

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30 pages, RevTeX, no figures, submitted to Nucl. Phys. A

Meson-baryon coupling constants from a chiral-invariant SU(3) Lagrangian and application to NN scattering

Abstract

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