Journal Article

A simple method for measuring thoron spatial distributions

E. Gargioni and R. Model

in Radiation Protection Dosimetry

Volume 113, issue 3, pages 321-325
Published in print April 2005 | ISSN: 0144-8420
Published online March 2005 | e-ISSN: 1742-3406 | DOI: http://dx.doi.org/10.1093/rpd/nch467
A simple method for measuring thoron spatial distributions

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A simple but effective method that allows the measurement of the 220Rn spatial distribution in working or living environments using a solid-state detector is presented in this paper. The method is based on measurements of the alpha particles emitted by 216Po (the first 220Rn progeny) directly deposited on the detector surface at different distances from a 220Rn exhalation source. The validity of the method is shown by comparing the results of an experiment, where the 220Rn activity concentration is measured under conditions of diffusion at constant temperature, with finite-element calculations.

Journal Article.  2108 words.  Illustrated.

Subjects: Nuclear Chemistry, Photochemistry, and Radiation

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