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A statistical approach to the choice of channel-width in gamma-ray spectrometry

II. The use of a semi-empirical relation between resolution and gamma-ray energy for NaI(Tl) scintillation detectors

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Abstract

Equations giving the percentage of extra peak-broadening caused by the finite channel-width in multichannel gamma-ray spectrometry were earlier developed by means of a statistical treatment. Empirical straight-line fits were used for the energy vs. resolution curves. In this paper this treatment is applied, but using instead a semi-empirical second-order equation for NaI(Tl) detectors. The disadvantage of the use of two equations to describe one detector is thus overcome. We present four different ways to estimate the extra peak-broadening as a function of channel-width, depending on the degree of precision required. A statistical consideration giving the precision of each estimate is included. It appears that for many cases no specific detector information is required. For these cases a generally applicable plot is given.

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Authors and Affiliations

  1. Laboratory for Analytical Chemistry, University of Amsterdam, Amsterdam, The Netherlands

    R. Furler

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  1. R. Furler
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Furler, R. A statistical approach to the choice of channel-width in gamma-ray spectrometry. J. Radioanal. Chem. 24, 411–421 (1975). https://doi.org/10.1007/BF02518438

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  • DOI: https://doi.org/10.1007/BF02518438

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