MEGA: a low-background radiation detector

The multiple-element gamma assay (MEGA) is a low-background detector designed to support environmental monitoring and national security applications. MEGA also demonstrates technology needed for Majorana, a next generation neutrino mass experiment. It will employ active and passive shielding to redu...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 2004-06, Vol.51 (3), p.1029-1033
Main Authors: Kazkaz, K., Aalseth, C.E., Hossbach, T.W., Gehman, V.M., Kephart, J.D., Miley, H.S.
Format: Article
Language:English
Subjects:
ASSAY
DETECTOR
Environmental monitoring
GAMMA
Gamma ray detection
Gamma ray detectors
Germanium
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
Isotopes
Laboratories
LOW-BACKGROUND
MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
MONITORING
MULTIPLE-ELEMENT
NATIONAL SECURITY
NEUTRINOS
Pilot plants
Pollution measurement
RADIATION DETECTORS
Radioactive isotopes
Security
Signatures
Spectroscopy
TESTING
WASTES
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Summary:The multiple-element gamma assay (MEGA) is a low-background detector designed to support environmental monitoring and national security applications. MEGA also demonstrates technology needed for Majorana, a next generation neutrino mass experiment. It will employ active and passive shielding to reduce backgrounds. It will also exploit multicoincidence signatures to identify specific radioactive isotopes. MEGA is expected to begin testing in late 2003 for eventual installation at the Waste Isolation Pilot Plant, Carlsbad, NM.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.2004.829528