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The importance of strange mesons in neutron star properties

In order to obtain the properties of compact stellar objects, appropriate equations of state have to be used. In the literature, strange meson fields, namely the scalar meson field $σ^*(975)$ and the vector meson field $ϕ(1020)$, had to be considered in order to reproduce the observed strongly attractive $ΛΛ$ interaction. The introduction of these strange mesons makes the equations of state harder (EOS) due to the repulsive effect of the $ϕ(1020)$ meson. In this work the inclusion of these mesons in the equation of state and their influence on the properties of the neutron stars are investigated.

preprint2005arXivOpen access
Rafael CavagnoliDebora Peres Menezes
nucl-th
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Rafael CavagnoliDebora Peres Menezes

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