Baryon Masses in the 1/N Expansion

TL;DR

This paper analytically investigates baryon and heavy quark baryon masses using a 1/N expansion, showing strong agreement with experimental data and highlighting the effectiveness of the theoretical approach.

Contribution

It introduces an analytical method applying 1/N expansion to baryon masses, incorporating SU(3) flavor and heavy-quark symmetry breaking effects.

Findings

Measured baryon masses align with 1/N hierarchy predictions

The approach effectively accounts for flavor and heavy-quark symmetry breaking

Analytical results match experimental data closely

Abstract

The masses of baryons and heavy quark baryons are studied analytically in an expansion in 1/N, SU(3) flavor symmetry breaking and heavy-quark symmetry breaking. The measured baryon masses are in striking agreement with the 1/N hierarchy.