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Type: Artigo de periódico
Title: Can we see the hadron-quark transition happening in neutron stars?
Author: Grassi, F
Abstract: In order to actually see the hadron-quark transition happening in a neutron star, we point out and study two static conditions (the transition hadronic density must be lower than the neutron star maximum hadronic density; the neutron star mass at the transition hadronic density must be in the observed range approximate to 1.4 M.) and one dynamical condition (nucleation must occur during the star lifetime). We find that the minicollapse accompanying the transition from metastable hadronic matter to quark matter may be relevant to explain macro-glitches and gamma-ray bursts, but that the mechanism increasing the star density must be relatively fast, e.g., accretion, but not slowing down. This rules out a scenario for gamma-ray bursts proposed recently.
Subject: dense matter
elementary particles
gamma rays, bursts
stars, neutron
Country: EUA
Editor: Univ Chicago Press
Rights: aberto
Identifier DOI: 10.1086/305042
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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