Role of hyperons and pions in neutron stars and supernova

Details Role of hyperons and pions in neutron stars and supernova Role of hyperons and pions in neutron stars and supernova

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987zphya.327..295g&link_type=abstract

Zeitschrift für Physik A Atomic Nuclei, Volume 327, Issue 3, pp.295-300

Physics

26

21.65. + F, 97.60.Jd

Scientific paper

Neutron stars are studied in the framework of nuclear relativistic field theory. Hyperons and pions significantly soften the equation of state of neutron star matter at moderate and high density. We conjecture that they are responsible for the softening that is found to be crucial to the bounce scenario in supernova calculations. Hyperons reduce the limiting mass of neutron stars predicted by theory by one half solar mass or more, which is a large effect compared to the range in which theories of matter predict this limit to fall.

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