Chiral Symmetry Restoration and Pion Interaction in Nuclear Matter

Details Chiral Symmetry Restoration and Pion Interaction in Nuclear Matter Chiral Symmetry Restoration and Pion Interaction in Nuclear Matter

1998-06-26

arxiv.org/abs/nucl-th/9806086v1

Physics

Nuclear Physics

Nuclear Theory

12 pages, Latex2e, 2 figures included as eps files

Scientific paper

This paper is devoted to the interplay between p-wave, s-wave pion-nucleon/ nucleus interaction and in-medium pion-pion interaction with special emphasis on the role of the nuclear pionic scalar density driving a large amount of chiral symmetry restoration. In particular we show that the $\pi NN$ coupling constant and the Goldberger-Treiman relation are preserved in the nuclear medium within certain conditions. We also discuss the related problem of the in-medium pion-pion strength function.

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