Electroweak properties of octet baryons in light-cone quark-diquark model

TL;DR

This paper models the electroweak properties of octet baryons using a relativistic light-cone quark-diquark approach, successfully matching experimental data for magnetic moments and form factors.

Contribution

It introduces a relativistic quark-spectator-diquark model with light-front formalism to accurately describe octet baryon electroweak properties at low momentum transfer.

Findings

Magnetic moments agree with experimental data

Form factors match theoretical predictions

Weak transition charges are accurately modeled

Abstract

We study the electroweak properties of ground state octet baryons in a relativistic quark-spectator-diquark model, with light-front formalism applied to take relativistic effects into account. Our model provides a consistent picture of the electroweak properties of the ground state octet baryons in the low momentum transfer region. The Melosh-Wigner rotation is applied as the transformation relation between spinors in the instant form and front form. Numerical results are presented for the magnetic moments, weak transition charges and Sachs form factors. Our results are in good agreement with experimental measurements and other theoretical results.