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- W4361193432 abstract "We construct new effective interactions using the relativistic mean-field models with the isoscalar- and isovector-meson mixing, $sigma^{2}bm{delta}^{2}$ and $omega_{mu}omega^{mu}bm{rho}_{nu}bm{rho}^{nu}$. Taking into account the particle flow data in heavy-ion collisions, the observed mass of PSR J0740$+$6620, and the tidal deformability of a neutron star from binary merger events, GW170817 and GW190814, we study the ground-state properties of finite, closed-shell nuclei, and try to explain the recent results from the PREX-2 and CREX experiments. It is found that the $sigma$--$delta$ mixing is very powerful to understand the terrestrial experiments and astrophysical observations of neutron stars self-consistently. We can predict the large neutron skin thickness of $^{208}$Pb, $R_{rm skin}^{208}=0.243$~fm, using the slope parameter of nuclear symmetry energy, $L=70$~MeV, which is consistent with the PREX-2 result. However, to explain the CREX data, it is preferable to adopt the small value of $L=20$~MeV. It is very difficult to understand the PREX-2 and CREX results simultaneously within relativistic mean-field models." @default.
- W4361193432 created "2023-03-31" @default.
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- W4361193432 date "2023-03-26" @default.
- W4361193432 modified "2023-09-27" @default.
- W4361193432 title "Can the PREX-2 and CREX results be understood by relativistic mean-field models with the astrophysical constraints?" @default.
- W4361193432 doi "https://doi.org/10.48550/arxiv.2303.14763" @default.
- W4361193432 hasPublicationYear "2023" @default.
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