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Role of hyperons and pions in neutron stars and supernova
Authors:N K Glendenning
Institution:1. Nuclear Science Division, Lawrence Berkeley Laboratory, University of California, Berkeley, California, USA
Abstract: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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