NASA NTRS · 19690000343
New shield for gamma-ray spectrometry
Abstract
Gamma-ray shield that can be evacuated, refilled with a clean gas, and pressurized for exclusion of airborne radioactive contaminants effectively lowers background noise. Under working conditions, repeated evacuation and filling procedures have not adversely affected the sensitivity and resolution of the crystal detector.
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Brar, S. S., Gustafson, P. F., Nelson, D. M.. 1969-08-01. New shield for gamma-ray spectrometry. https://ntrs.nasa.gov/citations/19690000343
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