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A nuclear matter description based on quark structure of the nucleon and pion exchange

Abstract : We investigate the possibility to describe nuclear matter in an approach constrained by the proeminent features of quantum chromodynamics. We mapped the in-medium nucleon self-energies of a point coupling relativistic mean-field model on self-energies obtained in effective theories of QCD. More precisely, the contributions to the nucleon self-energy have been separated into the short range part, driven principally by the quark structure of the nucleon described in a quark-diquark picture, and the long range part, dictated by pion dynamics and determined with in-medium chiral perturbation theory. A realistic description of nuclear matter saturation properties has been obtained with the inclusion of small phenomenological correction terms.
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http://hal.in2p3.fr/in2p3-00211719
Contributor : Ludovic Le Noan <>
Submitted on : Monday, January 21, 2008 - 4:26:24 PM
Last modification on : Thursday, January 11, 2018 - 6:12:50 AM

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R. Huguet, J.C. Caillon, J. Labarsouque. A nuclear matter description based on quark structure of the nucleon and pion exchange. Nuclear Physics A, Elsevier, 2008, 809, pp.189-210. ⟨10.1016/j.nuclphysa.2008.06.002⟩. ⟨in2p3-00211719⟩

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