Abstract
IT is interesting to learn that Wiseman has obtained experimental results in general confirmation of my own. The only discrepancy concerns the sensitivity ratio for the different gases. Wiseman finds this ratio to increase through the series nitrogen, argon, oxygen, methane from 1.02 to 1.18, whereas I found the same value (1.05) for all four gases. Certainly some variation would be expected, but there is insufficient basic information available to permit this to be estimated with precision. One can say, however, on the basis of the work of Jesse and Sadauskis, that carbon dioxide would not be expected to give as high a value as 1.62, which Wiseman reports.
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BERRY, R. Comparison of Helium and Argon in Ionization Detectors. Nature 190, 1188 (1961). https://doi.org/10.1038/1901188a0
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DOI: https://doi.org/10.1038/1901188a0
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