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Λ and Sigma potentials in dense matter based on chiral EFT: Bridging heavy-ion collisions, hypernuclei, and neutron stars
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Λ and Sigma potentials in dense matter based on chiral EFT: Bridging heavy-ion collisions, hypernuclei, and neutron stars
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The $\Lambda$ and $\Sigma$ directed flows at $\sqrt{s_{NN}}=4.5~\mathrm{GeV}$ are investigated to examine their sensitivity to the hyperon single-particle potentials. The single-particle potentials are obtained from $G$-matrix calculations with two- and three-body forces based on SU(3) chiral effective field theory. The $\Lambda+\Sigma^0$ directed flow shows sensitivity to the variation in the $\Sigma$ single-particle potential. Its effect is more pronounced for the $\Sigma^0$ directed flow.
Forward citations
Cited by 2 Pith papers
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Neutrino-induced hyperon final-state interactions as constraints on the in-medium hyperon potential
Neutrino hyperon final-state interactions at SBND/DUNE constrain the sub-saturation U_Λ and U_Σ potentials, mapping them through a GM1 EOS to a neutron-star maximum-mass posterior set mainly by external priors.
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Accelerator neutrinos as a probe of in-medium hyperon potentials
StrangeMC forecasts that SBND/DUNE hyperon FSI observables constrain U_Λ(ρ0) to ~6 MeV after slope marginalization, with systematics distinct from hypernuclear data.
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