An Electromagnetic Calorimeter for the JLab Real Compton Scattering Experiment
D. J. Hamilton, A. Shahinyan, B. Wojtsekhowski, J. R. M. Annand, T.-H., Chang, E. Chudakov, A. Danagoulian, P. Degtyarenko, K. Egiyan, R. Gilman, V., Gorbenko, J. Hines, E. Hovhannisyan, C. E. Hyde-Wright, C.W. de Jager, A., Ketikyan, V. H. Mamyan, R. Michaels, A. M. Nathan
TL;DR
This paper describes the design, construction, and performance of a lead-glass calorimeter used in the Jefferson Lab Real Compton Scattering experiment, capable of measuring photon coordinates and energies with high precision in a high luminosity setting.
Contribution
It introduces a novel lead-glass hodoscope calorimeter optimized for high luminosity experiments and details its performance in measuring scattered photons in the GeV range.
Findings
Achieved 5 mm spatial resolution for photon detection
Attained 6%/b3E energy resolution for GeV photons
Demonstrated reliable operation in high luminosity environment
Abstract
A lead-glass hodoscope calorimeter that was constructed for use in the Jefferson Lab Real Compton Scattering experiment is described. The detector provides a measurement of the coordinates and the energy of scattered photons in the GeV energy range with resolutions of 5 mm and 6%/\sqrt(E{\gamma} [GeV]). Features of both the detector design and its performance in the high luminosity environment during the experiment are presented.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Particle Detector Development and Performance · Dark Matter and Cosmic Phenomena