Light Baryon Spectroscopy using the CLAS Spectrometer at Jefferson Laboratory

TL;DR

This paper discusses recent experimental efforts at Jefferson Laboratory using the CLAS spectrometer to study the excited states of baryons, providing insights into nucleon structure and strong nuclear forces.

Contribution

It presents new double-polarization experimental results that enhance understanding of baryon excitation spectra and nucleon matter.

Findings

Preliminary results on baryon excited states.

Use of polarized targets and photon beams.

Insights into strong nuclear interactions.

Abstract

Baryons are complex systems of confined quarks and gluons and exhibit the characteristic spectra of excited states. The systematics of the baryon excitation spectrum is important to our understanding of the effective degrees of freedom underlying nucleon matter. High-energy electrons and photons are a remarkably clean probe of hadronic matter, providing a microscope for examining the nucleon and the strong nuclear force. Current experimental efforts with the CLAS spectrometer at Jefferson Laboratory utilize highly-polarized frozen-spin targets in combination with polarized photon beams. The status of the recent double-polarization experiments and some preliminary results are discussed in this contribution.