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  Highly sensitive measurements of radioactive noble gas nuclides in the Borexino solar neutrino experiment

Simgen, H., Heusser, G., & Zuzel, G. (2004). Highly sensitive measurements of radioactive noble gas nuclides in the Borexino solar neutrino experiment. Applied Radiation and Isotopes, 61(1-2), 213-217. doi:10.1016/j.apradiso.2004.03.048.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0011-8B8A-0 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0011-8B8B-E
Genre: Journal Article

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 Creators:
Simgen, H.1, Author              
Heusser, G.1, Author              
Zuzel, G.1, Author              
Affiliations:
1Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society, ou_904549              

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Free keywords: Borexino; Chromatography; Noble gases; Proportional counter; Solar neutrinos
 Abstract: Low background miniaturized proportional counters as developed for the Gallex solar neutrino experiment can be applied to the detection of radioactive noble gas nuclides at very low activities. We have developed an apparatus that allows the activity of trace amounts of isotopes of the four noble gases Ar, Kr, Xe and Rn to be measured. The technique includes contamination-free chromatographic purification of raw gas samples and subsequent low-level counting. Minimum detectable activities of 100 μBq and below have been attained. The developed techniques can be used to determine the 222Rn and 85Kr concentration in nitrogen for the solar neutrino experiment Borexino. By applying efficient techniques to concentrate noble gases from nitrogen, minimum detectable activity concentrations below 1 μBq/m3 of nitrogen (STP) have been reached for both nuclides.

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Language(s): eng - English
 Dates: 2004-08
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 282457
DOI: 10.1016/j.apradiso.2004.03.048
 Degree: -

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Title: Applied Radiation and Isotopes
  Alternative Title : Appl. Rad. Isot.
Source Genre: Journal
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Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 61 (1-2) Sequence Number: - Start / End Page: 213 - 217 Identifier: -