$\eta$ meson in strange magnetized matter

TL;DR

This paper investigates how the properties of $ta$ mesons change in hot, dense, and magnetized strange matter, revealing potential for bound state formation due to medium-induced mass shifts.

Contribution

It introduces a detailed study of $ta$ meson modifications in strange magnetized matter using a chiral SU(3) mean-field model, including hyperon effects.

Findings

Negative mass shift indicates attractive optical potential for $ta$ mesons.

Hyperons increase the negative mass shift, enhancing attraction.

Potential for $ta$-mesic bound states in such environments.

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 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.