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          Institute: MPI für Kernphysik     Collection: Neutrino Physics     Display Documents



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ID: 207268.0, MPI für Kernphysik / Neutrino Physics
Radon permeability through nylon at various humidities used in the BOREXINO experiment
Authors:Wójcik, Marcin; Zuzel, Grzegorz
Language:English
Research Context:Low-level radioactivity, solar neutrinos
Date of Publication (YYYY-MM-DD):2004-05-21
Title of Journal:Nuclear Instruments & Methods in Physics Research Section A-Accelerators Spectrometers Detectors & Associated Equipment
Journal Abbrev.:NIM A
Volume:524
Issue / Number:1-3
Start Page:355
End Page:365
Number of Words:4840
Copyright:ELSEVIER SCIENCE BV
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:We have investigated the radon permeation through a nylon film at various humidities. The measurement method and the instrumentation applied, as well as a mathematical model of the Rn-222 diffusion are described. The dependence
of the radon diffusion, solubility and permeability coefficients for the nylon film on the relative ambient humidity and the nylon moisture content has been found. No significant change in these parameters was observed as the relative humidity was increased from 0% to 30%. However, in the range from 30% to 100% the radon permeability increases by about two orders of magnitude. In the range from 30% to 60%, which is of particular importance for Borexino, the Rn-222 permeability is about one order of magnitude higher than it is through dry nylon.
Free Keywords:Borexino experiment; Radon diffusion and solubility; Polymers
External Publication Status:published
Document Type:Article
Affiliations:MPI für Kernphysik/Independent Research Group S. Schönert/Neutrino Physics
External Affiliations:M. Smoluchowski Institute of Physics, Jagellonian University, Reymonta 4, 30-059 Kraków, Poland
Identifiers:URL:http://www.sciencedirect.com/science?_ob=ArticleUR...
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