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Some physical problems of very low 222Rn concentration measurements with the proportional counter

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Abstract

Deposition of radon atoms on the detector walls has been shown to occur during measurements by means of a proportional counter filled with a 222RnCO2 mixture. This paper describes studies of the phenomenon in a range of temperatures. A quantitative model based on the assumption of condensation of radon atoms on the CO2 film adsorbed on the detector walls is considered. Further experiments to verify this hypothesis are proposed.

Original languageEnglish
Pages (from-to)299-303
Number of pages5
JournalNuclear Instruments and Methods
Volume167
Issue number2
DOIs
Publication statusPublished - 20 Dec 1979

ASJC Scopus subject areas

  • General Medicine

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