Standardisation of positron-emitters in gas with the NPL primary gas counting system.

Abstract

A primary standard for positron-emitters in gas has been developed. The method involves internal gas proportional counting and the use of the PENELOPE Monte Carlo code to determine corrections for counting losses. The development work was carried out using (11)C, although the method can be applied to other positron emitters. The results were compared with… (More)
DOI: 10.1016/j.apradiso.2009.11.014

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