Hyperon-hyperon interactions and properties of neutron matter

Details Hyperon-hyperon interactions and properties of neutron matter Hyperon-hyperon interactions and properties of neutron matter

2000-04-12

arxiv.org/abs/nucl-th/0004031v1

Phys.Rev. C62 (2000) 035801

Physics

Nuclear Physics

Nuclear Theory

27 pages, LateX, includes 8 PostScript figures, (submitted to PRC)

Scientific paper

10.1103/PhysRevC.62.035801

We present results from Brueckner-Hartree-Fock calculatons for beta stable neutron star matter with nucleonic and hyperonic degress degrees of freedom, employing the most recent parametrizations of the baryon-baryon interaction of the Nijmegen group. It is found that the only strange baryons emergin in beta stable matter up to total barionic densities of 1.2 fm^-3 are $\Sigma^-$ and $\Lambda$. The corresponding equations of state are then used to compute properties of neutron stars such as masses and radii.

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