A more rugged ZnS(Ag) alpha scintillation detector

An alpha scintillation detector more rugged and durable than conventional models has been developed. The newly developed scintillator assembly consists of a mixture of silver-activated zinc sulfide (ZnS(Ag)) and clear epoxy. The ZnS(Ag) scintillation powder is mixed with a low-viscosity, optically t...

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Veröffentlicht in:	IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (USA) 1990-04, Vol.37 (2), p.868-872
Hauptverfasser:	McElhaney, S.A., Ramsey, J.A., Bauer, M.L., Chiles, M.M.
Format:	Artikel
Sprache:	eng
Schlagworte:	400500 > Photochemistry 440103 > Radiation Instrumentation-- Nuclear Spectroscopic Instrumentation ALLOYS ALPHA DETECTION Alpha particles ALPHA SPECTROMETERS Assembly CHALCOGENIDES CHARGED PARTICLE DETECTION COMPUTER CODES DESIGN DETECTION ENVIRONMENT ENVIRONMENTAL SCIENCES ENVIRONMENTAL TRANSPORT EPOXIDES ESTERS INORGANIC PHOSPHORS INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY Laboratories MASS TRANSFER MATERIALS MATERIALS TESTING MEASURING INSTRUMENTS MYLAR Optical attenuators OPTICAL PROPERTIES ORGANIC COMPOUNDS ORGANIC OXYGEN COMPOUNDS ORGANIC POLYMERS PETROCHEMICALS PETROLEUM PRODUCTS PHOSPHORS PHYSICAL PROPERTIES PLASTICS POLYESTERS POLYMERS R CODES RADIATION DETECTION RADIATION DETECTORS RADIONUCLIDE MIGRATION SCINTILLATION COUNTERS SHIELDS SILVER ADDITIONS SILVER ALLOYS SOLID SCINTILLATION DETECTORS SPECTROMETERS Stimulated emission SULFIDES SULFUR COMPOUNDS SURVEYS SYNTHETIC MATERIALS TESTING Zinc compounds ZINC COMPOUNDS 540130 > Environment, Atmospheric-- Radioactive Materials Monitoring & Transport-- (1990-) ZINC SULFIDES
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Beschreibung
Zusammenfassung:	An alpha scintillation detector more rugged and durable than conventional models has been developed. The newly developed scintillator assembly consists of a mixture of silver-activated zinc sulfide (ZnS(Ag)) and clear epoxy. The ZnS(Ag) scintillation powder is mixed with a low-viscosity, optically transparent epoxy and poured into a glass-smooth mold of desired shape and size. The scintillator particles settle to the bottom of the epoxy, leaving a smooth scintillator that can be easily covered with an opaque material once the epoxy has cured. Results have shown this detector to be strong, durable, and slightly more efficient than conventional alpha scintillation detectors. The extra ruggedness offered by this monolithic assembly makes the detector more durable for field surveys; therefore, it requires less maintenance than conventional alpha detectors using Mylar entrance windows.< >
ISSN:	0018-9499 1558-1578
DOI:	10.1109/23.106728