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Hyperons and Neutron Stars
Authors: I. Vidaña
Ref.: Nuclear Physics A 914, 367 (2013)
Abstract: In this work we briefly review some of the effects of hyperons on neutron and proto-neutron star properties. We revise the problem of the strong softening of the EoS, and the consequent reduction of the maximum mass, due to the presence of hyperons, a puzzle which has become more intriguing due the recent measurements of the unusually high masses of the millisecond pulsars PSR J1614-2230 (1.97±0.04M⊙) and PSR J1903+0327 (1.667±0.021M⊙). We examine also the role of hyperons on the cooling properties of newly born neutron stars and on the so-called r-mode instability.
