Initial field measurements with the Multisensor Airborne Radiation Survey (MARS) high purity germanium (HPGe) detector array

The Multi-sensor Airborne Radiation Survey (MARS) project has developed a new single cryostat detector array design for high purity germanium (HPGe) gamma ray spectrometers that achieves the high detection efficiency required for stand-off detection and actionable characterization of radiological th...

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Bibliographic Details
Main Authors: Fast, J E, Bonebrake, C A, Dorow, K E, Glasgow, B D, Jensen, J L, Morris, S J, Orrell, J L, Pitts, W K, Rohrer, J S, Todd, L C
Format: Conference Proceeding
Language:English
Subjects:
Arrays
Boats
characterization
Crystals
Detectors
Energy resolution
Gamma-ray spectroscopy
germanium
HPGe
Mars
Sea measurements
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Summary:The Multi-sensor Airborne Radiation Survey (MARS) project has developed a new single cryostat detector array design for high purity germanium (HPGe) gamma ray spectrometers that achieves the high detection efficiency required for stand-off detection and actionable characterization of radiological threats. This approach is necessary since a high efficiency HPGe detector can only be built as an array due to limitations in growing large germanium crystals. The system is ruggedized and shock mounted for use in a variety of field applications. This paper reports on results from initial field measurements conducted in a truck and on two different boats.
DOI:10.1109/THS.2010.5654937