Sensitivity determination and optimisation of a cylindrical diffusion chamber, for radon measurements, with a CR39 detector

Dragoslav Nikezić, Carmen Baixeras, Dragana Kostić

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17 Citations (Scopus)

Abstract

This paper deals with the determination of the sensitivity of the CR39 detector for radon measurements. The sensitivity was calculated by applying the Monte Carlo method for a detector in a diffusion cylindrical chamber with different radii and heights. The sensitivity is reduced as the chamber dimension decreased. The uncertainty of radon concentration determination associated with the unknown radon progeny deposition on the inner chamber walls is discussed. This uncertainty can be almost completely avoided by using a chamber narrower than 1.25 cm and higher than 5 cm. Such design of the diffusion chamber can enable better and more accurate radon measurements to be achieved.
Original languageEnglish
Pages (from-to)290-298
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume373
Issue number2
DOIs
Publication statusPublished - 21 Apr 1996

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