Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2006-10-11
Nucl.Instrum.Meth.A579:91-93,2007
Physics
Nuclear Physics
Nuclear Experiment
Paper presented at the SORMA XI Conference, Ann Arbor, MI, May 2006
Scientific paper
10.1016/j.nima.2007.04.024
A high purity germanium crystal was operated in liquid argon as a Compton suppressed radiation spectrometer. Spectroscopic quality resolution of less than 1% of the full-width half maximum of full energy deposition peaks was demonstrated. The construction of the small apparatus used to obtain these results is reported. The design concept is to use the liquid argon bath to both cool the germanium crystal to operating temperatures and act as a scintillating veto. The scintillation light from the liquid argon can veto cosmic-rays, external primordial radiation, and gamma radiation that does not fully deposit within the germanium crystal. This technique was investigated for its potential impact on ultra-low background gamma-ray spectroscopy. This work is based on a concept initially developed for future germanium-based neutrinoless double-beta decay experiments.
Aalseth Craig E.
Amsbaugh John F.
Doe Peter J.
Hossbach Todd W.
Orrell John L.
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