Abstract
Baryon spectroscopy is an essential tool in the study of nucleon resonances. The use of polarization observables can greatly clarify the spectrum of broad and overlapping nucleon excitations. The N* program with the CEBAF Large Acceptance Spectrometer (CLAS) at the Thomas Jefferson National Accelerator Facility includes experimental studies with linearly- and circularly-polarized tagged-photon beams, longitudinally- and transversely-polarized nucleon targets, and recoil polarizations. An overview of these experimental studies and recent results are presented.
Highlights
The CEBAF Large Acceptance Spectrometer (CLAS) Collaboration is pursuing an experimental study of baryon resonances with two components
The CLAS Collaboration is pursuing an experimental study of baryon resonances with two components
The second component of the CLAS N∗ program is the measurement of transition form factors of known resonances in electroproduction experiments to study their internal structure and confining potential
Summary
The CLAS Collaboration is pursuing an experimental study of baryon resonances with two components. The second component of the CLAS N∗ program is the measurement of transition form factors of known resonances in electroproduction experiments to study their internal structure and confining potential. The following gives a brief overview of recent examples of photoproduction experiments that were performed with the CEBAF Large Acceptance Spectrometer (CLAS) detector [1] at the Jefferson National Accelerator Facility (JLab). In these experiments, unpolarized, circularly, or linearly-polarized tagged [2] Bremsstrahlung photon beams were incident on unpolarized, longitudinally, or transversally polarized hydrogen or deuterium targets.
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