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Conference papers

Hyperons in neutron star matter within relativistic mean-field models

Abstract : Since the discovery of neutron stars with masses around 2M ⊙ the composition of matter in the central part of these massive stars has been intensively discussed. Within this paper we will (re)investigate the question of the appearance of hyperons. To that end we will perform parameter study within relativistic mean field models. We will show that it is possible to obtain high mass neutron stars with a substantial amount of hyperons and a spinodal instability at the onset of hyperons. The results depend strongly on the interaction in the hyperon-hyperon channels, on which only very little information is available from terrestrial experiments up to now.
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Submitted on : Tuesday, December 15, 2015 - 2:24:39 PM
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M. Oertel, C. Providencia, F. Gulminelli, A. R. Raduta. Hyperons in neutron star matter within relativistic mean-field models. 32th Max Born Symposium and HECOLS Workshop : Three days of phase transitions in compact stars, heavy-ion collisions and supernovae, Feb 2014, Wroclaw, Poland. pp.830-834, ⟨10.1134/S1063779615050214⟩. ⟨in2p3-01244049⟩



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