Singly heavy baryons in nuclear matter from an SU(3) chiral soliton model

TL;DR

This paper studies how the masses of singly heavy baryons change in nuclear matter using a medium-modified SU(3) chiral soliton model, highlighting the sensitivity to heavy meson mass modifications.

Contribution

It extends the SU(3) chiral soliton model to include medium effects and heavy-meson interactions, providing new insights into heavy baryon mass shifts in nuclear matter.

Findings

Heavy baryon masses are sensitive to medium modifications of heavy meson masses.

The model incorporates explicit SU(3) symmetry breaking as a perturbation.

Mass spectrum calculations show notable shifts in nuclear medium.

Abstract

We investigate how the masses of the singly heavy baryons undergo changes in nuclear matter, based on a medium-modified SU(3) chiral soliton model. Having explained the bulk properties of nuclear matter, we discuss the masses of the singly heavy baryons in nuclear matter. We generalize the vector-meson Lagrangian including the heavy-meson soliton interaction. The mass spectrum of the singly heavy baryon are obtained with the effects of explicit SU(3) symmetry breaking considered as a perturbation. The results show that the mass of the singly heavy baryon mass in nuclear medium is rather sensitive to the medium modifications of the heavy meson mass.