Mixing of 1/2^- Octets under SU(3) Symmetry

TL;DR

This paper studies the mixing of 1/2^- baryon octets under SU(3) symmetry, predicting decay widths and mass ranges, and analyzing how octets with similar quantum numbers interact before mixing with singlets.

Contribution

It introduces a detailed analysis of octet mixing in 1/2^- baryons under SU(3) symmetry, including decay width predictions and mass range estimations.

Findings

Most decay widths align with experimental data

Predicted two possible $\\Xi$ mass ranges for the octets

Analysis of mixing effects before singlet interaction

Abstract

We investigate the J^p=1/2^- baryons in the octets based on flavor SU(3) symmetry. Since baryons with same quantum numbers can mix with each other, we consider the mixing between two octets before their mixing with the singlet. Most predicted decay widths are consistent with the experimental data, and meanwhile we predict two possible $\Xi$ mass ranges of the two octets.