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Chiral symmetry and quantum hadro-dynamics

Abstract : Using the linear sigma model, we study the evolutions of the quark condensate and of the nucleon mass in the nuclear medium. Our formulation of the model allows the inclusion of both pion and scalar-isoscalar degrees of freedom. It guarantees that the low energy theorems and the constrains of chiral perturbation theory are respected. We show how this formalism incorporates quantum hadro-dynamics improved by the pion loops effects.
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Contributor : Sylvie Flores Connect in order to contact the contributor
Submitted on : Thursday, November 22, 2001 - 4:30:27 PM
Last modification on : Friday, October 8, 2021 - 10:46:05 AM

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G. Chanfray, M. Ericson, P.A.M. Guichon. Chiral symmetry and quantum hadro-dynamics. Physical Review C, American Physical Society, 2001, 63, pp.055202. ⟨in2p3-00009824⟩



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