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

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dc.creatorHuguet, R.
dc.creatorCaillon, J. C.
dc.creatorLabarsouque, J.
dc.date2007-12-21
dc.date2008-06-09
dc.date.accessioned2026-07-07T11:54:48Z
dc.date.available2026-07-07T11:54:48Z
dc.descriptionWe investigate the possibility to describe nuclear matter in an approach constrained by the prominent 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 using in-medium chiral perturbation theory. A saturation point, although unrealistic, is obtained without any free parameter. A realistic description of nuclear matter saturation properties has been obtained with the inclusion of a small phenomenological correction term to the short range part of the self-energy.
dc.descriptionRevised Version, 30 pages, 9 figures, 4 tables, Accepted for publication in Nuclear Physics A
dc.identifierhttps://arxiv.org/abs/0712.3661
dc.identifierhttp://arxiv.org/abs/0712.3661
dc.identifierNucl.Phys.A809:189-210,2008
dc.identifierdoi:10.1016/j.nuclphysa.2008.06.002
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/205032
dc.subjectNuclear Theory
dc.titleA nuclear matter description based on quark structure of the nucleon and pion exchange
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