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- W1603351570 abstract "We study the equation of state of beta-stable dense matter and models of neutron stars in the relativistic mean field theory with the isovector scalar mean field corresponding to the delta-meson [a_0(980)]. A range of values of the delta-meson coupling compatible with the Bonn potentials is explored. Parameters of the model in the isovector sector are constrained to fit the nuclear symmetry energy, E_s=30 MeV. We find that the quantity most sensitive to the delta-meson coupling is the proton fraction of neutron star matter. It increases significantly in the presence of the delta-field. The energy per baryon also increases but the effect is smaller. The equation of state becomes slightly stiffer and the maximum neutron star mass increases for stronger delta-meson coupling." @default.
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- W1603351570 date "1998-02-24" @default.
- W1603351570 modified "2023-09-27" @default.
- W1603351570 title "Neutron Stars in Relativistic Mean Field Theory with Isovector Scalar Meson" @default.
- W1603351570 hasPublicationYear "1998" @default.
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