Abstract
Current and upcoming experiments at the ELectron Stretcher Accelerator (ELSA) facility will determine polarization (or spin) observables for photoproduction processes involving baryon resonances. Differences between the predictions for these observables can be large, and so conversely they provide strong constraints in the analyses that aim at studying the properties of known resonances and at searching for hitherto unobserved states. The current effort with the Crystal Barrel/TAPS detector at ELSA is to utilize highly-polarized frozen-spin (butanol) and deuterium targets in combination with polarized photon beams. I will discuss recent spectroscopy results and present a brief status of the polarization program.
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