Reduced Compton Effect Scintillation Spectrometer
- 1 October 1956
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 27 (10) , 830-832
- https://doi.org/10.1063/1.1715387
Abstract
To assess the effectiveness of plastic phosphors in the reduction of Compton effect in scintillation spectrometers, a spectrometer with a small NaI(Tl) crystal surrounded by a large plastic phosphor has been constructed. The output from the plastic phosphor is put in anticoincidence with the output from the NaI(Tl) crystal. A reduction of Compton contribution in the scintillation spectrum to about 35% of original value is obtained. Comparison of results with, and without, the shield enables certain spectral features to be identified. Possible applications are discussed. Transistor anticoincidence circuits are used.Keywords
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