Nonlinear Effects on Effective Mass of Kaon and Antikaon Mesons
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Graphical Abstract
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Abstract
We investigate the effect of the nuclear vector density ρ_B and the scalar density ρ_S on in-medium kaon and antikaon effective masses. Based on nonlinear σ-ω-ρ model in the relativistic mean-field approximation, we obtained the relation between the two nuclear densities both σ-ω model and σ-ω-ρ model. By (using) the relation, we improve the dependence of in-medium kaon and antikaon effective masses. We also studied the differences of kaon and antikaon effective mass abtained by...
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