Abstract
The in-medium properties of \(\eta \) mesons are studied in hot and dense isospin asymmetric strange magnetized matter using the chiral SU(3) hadronic mean-field model. The scalar and vector density of baryons are expressed in terms of thermal distribution functions at finite temperature and magnetic field and have a dependence on the scalar fields \(\sigma \), \(\zeta \), and \(\delta \) through the effective mass of baryons and the dependence on the vector fields \(\omega , \rho \), and \(\phi \) through the effective chemical potential. The properties of \(\eta \) mesons get modified in a hot and dense magnetized environment through the medium-modified nucleons and hyperons. The negative mass shift obtained gives rise to optical potential, which is attractive in the medium and suggests a possibility of \(\eta \)-mesic bound states formation. The addition of hyperons in the medium enhances the attractive interactions and causes an increased negative mass shift for \(\eta \) mesons.
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Tiwari, S., Kumar, R., Kumari, M. et al. \(\eta \) meson in strange magnetized matter. Eur. Phys. J. Plus 139, 310 (2024). https://doi.org/10.1140/epjp/s13360-024-05098-y
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DOI: https://doi.org/10.1140/epjp/s13360-024-05098-y