Isospin effects in intermediate energy heavy ion collisions

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dc.creatorGaitanos, T.
dc.creatorDi Toro, M.
dc.creatorFerini, G.
dc.creatorColonna, M.
dc.creatorWolter, H. H.
dc.date2004-02-12
dc.date.accessioned2026-07-07T05:40:11Z
dc.date.available2026-07-07T05:40:11Z
dc.descriptionWe investigate the density dependence of the symmetry energy in a relativistic description by decomposing the iso-vector mean field into contributions with different Lorentz properties. We find important effects of the iso-vector, scalar $δ$ channel on the density behavior of the symmetry energy. Finite nuclei studies show only moderate effects originating from the virtual $δ$ meson. In heavy ion collisions from Fermi to relativistic energies up to $1-2 AGeV$ one finds important contributions on the dynamics arising from the different treatment of the microscopic Lorentz structure of the symmetry energy. We discuss a variety of possible signals which could set constraints on the still unknown density dependence of the symmetry energy, when experimental data will be available. Examples of such observables are isospin collective flow, threshold production of pions and kaons, isospin equilibration and stopping in asymmetric systems like $Au+Au$, $Sn+Sn$ and $Ru(Zr)+Zr(Ru)$.
dc.description9 pages, 5 figures, proceedings of the XLII International Winter Meeting On Nuclear Physics, Bormio (Italy) January 256-February 1, 2004
dc.identifierhttps://arxiv.org/abs/nucl-th/0402041
dc.identifierhttp://arxiv.org/abs/nucl-th/0402041
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/82178
dc.subjectNuclear Theory
dc.titleIsospin effects in intermediate energy heavy ion collisions
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