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Hybrid stars with large strange quark cores

Authors: Márcio Ferreira; Renan Câmara Pereira; Constança Providência

Ref.: EPJ Web Conf. (Contribution to Confinement XV) 274, 07001 (2022)

Abstract: The possible existence of hybrid stars is studied using several multiquark interaction channels. The hadronic phase consists of an equation of state (EoS) with presently accepted nuclear matter properties and the quark model is constrained by the vacuum properties of several light mesons. The dependence of several NS properties on the different quark interactions is analyzed. We show that the present constraints from neutron star observations allow for the existence of hybrid stars with large strangeness content and large quark cores.

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