QCD sum rules for the baryon octet in nuclear matter

TL;DR

This paper uses QCD sum rules to analyze baryon self-energies in nuclear matter, showing consistency with nuclear physics results and Gell-Mann--Okubo relations.

Contribution

It introduces a QCD sum-rule approach to compute baryon self-energies in nuclear matter, incorporating SU(3) symmetry breaking effects.

Findings

Self-energies satisfy Gell-Mann--Okubo relations.

Results qualitatively agree with standard nuclear physics methods.

Provides a QCD-based framework for baryon properties in nuclear matter.

Abstract

The baryon self-energies are expressed in terms of the QCD condensates of the lowest dimension in symmetric and asymmetric nuclear matter within the QCD sum-rule approach. The self-energies are shown to satisfy the Gell-Mann--Okubo relations in the linear SU(3) breaking approximation. The results are in qualitative agreement with those obtained by the standard nuclear physics methods.