1. Determination of the photon-contribution of a 238Pu–Be source.
- Author
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Mayer, Sabine, Otto, Thomas, and Golnik, Natalia
- Subjects
- *
GAMMA rays , *PHOTONS , *IONIZATION chambers , *ARGON - Abstract
Gamma radiation of a 238Pu–Be source at CERN was measured with two neutron insensitive ionisation chambers, i.e. a graphite chamber filled with CO2 and a steel chamber filled with argon, in order to determine the photon-contribution to ambient dose equivalent. These straightforward measurements were confronted with a novel method using a recombination chamber, with which a coarse spectrum in LET of the mixed radiation field can be obtained. The lowest LET part of the spectrum corresponds to the photon-contribution to the absorbed dose of mixed radiation. The comparison of the different methods showed very good agreement within the measurement uncertainties. [Copyright &y& Elsevier]
- Published
- 2004
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