Abstract
The origin of background events from internal and external sources is reviewed and methods of passive and active shielding are presented. It is shown that the shape of the background under a peak or multiplet can be evaluated directly from the experimental data without the use of a mathematical model shape. An algorithm for the computerized sub-division of a spectrum into regions is shown and problems associated with smoothing and automatic photopeak, or full energy-peak, detection methods are discussed. A time-dependent spectral analysis is taken as an example to demonstrate the use of averaging or trend analyses in quantitative spectrometry.
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More From: International Journal of Radiation Applications & Instrumentation. Part A, Applied Radiation & Isotopes
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