Publication details

Neutron/gamma-ray discrimination through measures of fit



Year of publication 2016
Type Article in Proceedings
Conference 2015 4th International Conference on Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA)
MU Faculty or unit

Faculty of Informatics

Field Computer hardware and software
Keywords organic scintillator; counter; statistical test; measures of fit; neutron spectroscopy
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Description Statistical tests and their underlying measures of fit can be utilized to separate neutron/gamma-ray pulses in a mixed radiation field. In this article, first the application of a sample statistical test is explained. Fit measurement-based methods require true pulse shapes to be used as reference for discrimination. This requirement makes practical implementation of these methods difficult; typically another discrimination approach should be employed to capture samples of neutrons and gamma-rays before running the fit-based technique. In this article, we also propose a technique to eliminate this requirement. These approaches are applied to several sets of mixed neutron and gamma-ray pulses obtained through different digitizers using stilbene scintillator in order to analyze them and measure their discrimination quality.
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