2010
DOI: 10.1103/physrevc.81.055802
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Prediction of underground argon content for dark matter experiments

Abstract: In this paper, we demonstrate the use of physical models to evaluate the production of 39 Ar and 40 Ar underground. Considering both cosmogenic 39 Ar production and radiogenic 40 Ar production in situ and from external sources, we can derive the ratio of 39 Ar to 40 Ar in underground sources. We show for the first time that the 39 Ar production underground is dominated by stopping negative muon capture on 39 K and (α,n) induced subsequent 39 K(n,p) 39 Ar reactions. The production of 39 Ar is shown as a functio… Show more

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Cited by 20 publications
(24 citation statements)
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“…Similar calculations were previously performed by Fabryka-Martin (1988); Andrews et al (1989Andrews et al ( , 1991; Lehmann et al (1993); Lehmann and Purtschert (1997). Mei et al (2010) calculated rates of 39 Ar production for one representative granitic rock composition. We assume that their reported Th and U abundance values were erroneously interchanged in their manuscript, as we are not aware of any granites where Th to U ratio is < 1.…”
Section: Comparison To Previous Resultssupporting
confidence: 55%
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“…Similar calculations were previously performed by Fabryka-Martin (1988); Andrews et al (1989Andrews et al ( , 1991; Lehmann et al (1993); Lehmann and Purtschert (1997). Mei et al (2010) calculated rates of 39 Ar production for one representative granitic rock composition. We assume that their reported Th and U abundance values were erroneously interchanged in their manuscript, as we are not aware of any granites where Th to U ratio is < 1.…”
Section: Comparison To Previous Resultssupporting
confidence: 55%
“…We provide a comparison of nucleogenic production rates of neutrons, 21 Ne, and 39 Ar calculated in this study to select recent evaluations (Yatsevich and Honda, 1997;Leya and Wieler, 1999;Mei et al, 2010;Yokochi et al, 2012Yokochi et al, , 2014. Similar calculations were previously performed by Fabryka-Martin (1988); Andrews et al (1989Andrews et al ( , 1991; Lehmann et al (1993); Lehmann and Purtschert (1997).…”
Section: Comparison To Previous Resultsmentioning
confidence: 80%
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