Title: Chiral symmetry restoration and quasi-elastic electron-nucleus scattering
Abstract: Chiral symmetry is known to be an important concept in hadronic interactions. It holds in QCD, but is known to be broken at low energies. It is therefore useful to study chiral symmetry and its breaking together with its consequences in nuclear physics. It is the latter phenomena we consider here. It is difficult to study nonperturbative QCD at low energies and models are needed. The Nambu-Jona-Lasinio (NJL) model fits this category; it incorporates chiral symmetry and its breaking, and allows one to study its effects in nucleons and nuclei. In particular, the constituent quark mass varied with density ({rho}) and temperature (T). At high {rho} and T chiral symmetry is restored. It is the {rho} dependence which yields important effects in electron scattering due to partial restoration of chiral symmetry in nuclei. 4 refs., 2 figs.
Publication Year: 1989
Publication Date: 1989-01-01
Language: en
Type: article
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