Abstract

The main disadvantage of a NaI Compton polarimeter vis-à-vis a Ge(Li) polarimeter is its relatively poor resolution. Two methods of overcoming this difficulty are presented. The first one is a semi-analytical method which can usually be applied to up to three γ-rays present in an unresolved γ-ray peak. The second one consists in fitting to the peaks a gaussian shape superimposed on either a parabolic or linear background. Both methods are illustrated by the analysis of recent measurements in 37Ar.

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