Role of pions and hyperons in neutron stars and supernovae

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

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987panu.confq....g&link_type=abstract

Presented at the 11th International Conference on Particles and Nuclei, Kyoto, Japan, 20 Apr. 1987

Physics

Hyperons, Neutron Stars, Pions, Stellar Mass, Supernovae, Equations Of State, Field Theory (Physics), Particle Density (Concentration)

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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