Chiral symmetry in nuclei
Michael C. Birse
Abstract
The role of the quark condensate in low-energy QCD and its behaviour in nuclear matter are discussed. Partial restoration of chiral symmetry, as indicated by a reduction of the quark condensate in matter, could significantly alter the properties of nucleons and mesons. Various signals of these effects are discussed: enhancement of the axial charge of a nucleon, lepton pair production and K-nucleus attraction. (Talk presented at the Nuclear Physics Study Weekend on Extreme States of Nuclei, Abingdon, October 1995)
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