Space radiation quality factor investigations with “NAUSICAA”-device on board the “MIR” space station

The estimation of radiation quality factor in space flights is a serious problem of space dosimetry. The solution of this problem is based on LET-spectra measurements. The “NAUSICAA”-device installed on the “MIR” station has a detector with a large geometric factor, that gives the possibility of mea...

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Bibliographic Details
Published in:Advances in space research 1996, Vol.18 (12), p.167-170
Main Authors: Benghin, V.V, Petrov, V.M, Ivanov, Yu.V, Shurshakov, V.A, Kozlova, S.B, Nguyen, V.D, Bottollier, J.F, Siegrist, M
Format: Article
Language:English
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Summary:The estimation of radiation quality factor in space flights is a serious problem of space dosimetry. The solution of this problem is based on LET-spectra measurements. The “NAUSICAA”-device installed on the “MIR” station has a detector with a large geometric factor, that gives the possibility of measuring LET-spectra with sufficient statistic in relatively short time interval and hence the corresponding Q. LET-spectra are accumulated through 24 hour periods and equivalent dose (H), absorbed dose (D), quality factor and flux (F) are measured every 10 minutes. The obtained data permit the estimate of the diurnal Q and Q in South Atlantic Anomaly. These values vary in the range of 1.4 – 2.2. The analysis of these values including their comparison with the calculated results is given in this paper.
ISSN:0273-1177
1879-1948
DOI:10.1016/0273-1177(96)00035-X