Chiral Perturbation Theory for Nuclear Physicists

Details Chiral Perturbation Theory for Nuclear Physicists Chiral Perturbation Theory for Nuclear Physicists

1997-12-26

arxiv.org/abs/hep-ph/9712525v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages plain LaTeX, to be run twice. Invited talk at the DAE Nuclear Physics Symposium - 1997, December 26-30, 1997, Bangalo

Scientific paper

Chiral perturbation theory is the low energy effective theory of the strong interactions for the light pseudoscalar degrees of freedom. This program is based on effective Lagrangian techniques and is an expansion in the powers of the momenta and the powers of the quark masses, which correct the soft-pion theorems. After briefly reviewing these features and some results, we address the implications of this program to $\pi-N$ scattering, the $\pi-N$ sigma term and some recent investigations of the implications of chiral symmetry to nucleon-nucleon forces. We finally look at the implications of chiral perturbation theory to hadron mass relations.

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