Ríos Huguet, ArnauPolls Martí, ArturRamos Gómez, ÀngelsVidaña Haro, Isaac2010-01-292010-01-2920050556-2813https://hdl.handle.net/2445/11016Bulk and single-particle properties of hot hyperonic matter are studied within the Brueckner-Hartree-Fock approximation extended to finite temperature. The bare interaction in the nucleon sector is the Argonne V18 potential supplemented with an effective three-body force to reproduce the saturating properties of nuclear matter. The modern Nijmegen NSC97e potential is employed for the hyperon-nucleon and hyperon-hyperon interactions. The effect of temperature on the in-medium effective interaction is found to be, in general, very small and the single-particle potentials differ by at most 25% for temperatures in the range from 0 to 60 MeV. The bulk properties of infinite matter of baryons, either nuclear isospin symmetric or a Beta-stable composition that includes a nonzero fraction of hyperons, are obtained. It is found that the presence of hyperons can modify the thermodynamical properties of the system in a non-negligible way.10 p.application/pdfeng(c) The American Physical Society, 2005Astrofísica nuclearEstructura nuclearNuclear astrophysicsNuclear structureinfo:eu-repo/semantics/article528046info:eu-repo/semantics/openAccess