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Correlator mixing and mass reduction as signals of chiral symmetry restoration

J. Delorme 1 M. Ericson 2 P.A.M. Guichon a W. Thomas
2 Théorie
IP2I Lyon - Institut de Physique des 2 Infinis de Lyon
Abstract : Chiral symmetry restoration in a dense medium is to some extent a consequence of the nuclear pion cloud. These pions induce a mixing of the axial and vector current contributions in the axial and vector correlators. We discuss their influence on hadron masses and investigate the signal produced by the remaining contribution associated with chiral symmetry restoration. Using the quark-meson coupling model we find that the latter is associated with the reduction of hadron masses.
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J. Delorme, M. Ericson, P.A.M. Guichon, a W. Thomas. Correlator mixing and mass reduction as signals of chiral symmetry restoration. Physical Review C, American Physical Society, 2000, 61, pp.02202. ⟨in2p3-00014576⟩

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