Probing the internal structure of baryons

TL;DR

This paper discusses recent measurements of electromagnetic form factors of various baryons at BESIII, providing new insights into their internal structure and the strong interaction, with high precision data for several baryons.

Contribution

It presents the first or most precise measurements of baryon form factors in the time-like region at BESIII, enhancing understanding of baryon internal structure.

Findings

First measurements of baryon form factors in the time-like region.

High-precision data for proton, neutron, Lambda, and Lambda_c.

Insights into the strong interaction and baryon structure.

Abstract

Electromagnetic form factors are fundamental observables that describe the electric and magnetic structure of hadrons and provide keys to understand the strong interaction. At the Beijing Spectrometer (BESIII), form factors have been measured for different baryons in the time-like region for the first time or with the best precision. The results are presented with examples focus on but not limited to the proton/neutron, the $\Lambda$, with a strange quark, and the $\Lambda_c$, with a charm quark.