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Hyperon-hyperon interactions and properties of neutron star matter
Authors: I. Vidaña, A. Polls, A. Ramos, L. Engvik & M. Hjorth-Jensen
Ref.: Phys. Rev. C 62, 035801 (2000)
Abstract: We present results from Brueckner-Hartree-Fock calculations for β-stable neutron star matter with nucleonic and hyperonic 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 emerging in β-stable matter up to total baryonic densities of 1.2 fm−3 are Σ− and Λ. The corresponding equations of state are then used to compute properties of neutron stars such as masses and radii.
