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- W2912181971 abstract "Abstract Chemical potentials of nucleons in asymmetric nuclear matter are calculated in a completely self-consistent manner, using the lowest order constrained variational (LOCV) method. Employing different nucleon–nucleon potentials, threshold density of free hyperons formation and the maximum mass of hypernuclear star are determined. Furthermore, the particles fraction in beta stable and charge neutral matter is calculated as well. The effects of three-body force (TBF) on the onset of hyperons, particle composition and maximum mass of the star are discussed. The results show that, for all different nucleon–nucleon interactions considered, onset of hyperons formation sets in at about 2–3 times of the nuclear saturation density. In particular, it is shown that by considering the TBF, the density of appearance of hyperons shifts to a lower value. The maximum masses of hypernuclear star are obtained about 1 . 3068 M ⊙ and 1 . 1032 M ⊙ with and without TBF respectively. Although these results are much below the ones required by observations of astrophysics, they are in agreement with the previous works based on Brueckner–Hartree–Fock (BHF) approach as well as other non-relativistic potential models." @default.
- W2912181971 created "2019-02-21" @default.
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- W2912181971 date "2019-03-01" @default.
- W2912181971 modified "2023-09-26" @default.
- W2912181971 title "Appearance of hyperons in neutron stars within LOCV method" @default.
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- W2912181971 doi "https://doi.org/10.1016/j.aop.2019.01.008" @default.
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