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|Type:||Artigo de evento|
|Title:||Study On The Influence Of Cr-39 Detector Size On Radon Progeny Detection In Indoor Environments|
Lixandrao F. A.L.
|Abstract:||It is well known that radon daughters up to 214Po are the real contaminants to be considered in case of indoor radon contamination. Assemblies consisting of 6 circular bare sheets of CR-39, a nuclear track detector, with radius varying from 0.15 to 1.2 cm were exposed far from any material surface for periods of approximately 6 months in 13 different indoor rooms (7 workplaces and 6 dwellings), where ventilation was moderate or poor. It was observed that track density was as greater as smaller was the detector radius. Track density data were fitted using an equation deduced based on the assumption that the behavior of radon and its progeny in the air was described by Fick's Law, i.e., when the main mechanism of transport of radon progeny in the air is diffusion. As many people spend great part of their time in closed or poorly ventilated environments, the confirmation they present equilibrium between radon and its progeny is an interesting start for dosimetric calculations concerning this contamination.|
|Editor:||American Institute of Physics Inc.|
|Citation:||Aip Conference Proceedings. American Institute Of Physics Inc., v. 1625, n. , p. 135 - 139, 2014.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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