Journal
RADIATION MEASUREMENTS
Volume 45, Issue 2, Pages 168-172Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.radmeas.2010.01.020
Keywords
ALTEA; Cosmic rays; ISS; Active particle detector; Ion discrimination; Relative nuclear abundances
Categories
Funding
- Italian Space Agency
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The ALTEA (Anomalous Long Term Effects on Astronauts) detector was used to characterize the radiation environment inside the USLab of the International Space Station (ISS), where it measured the abundances of ions from Be to Fe. We compare the ALTEA results with Alteino results obtained in the PIRS module of the Russian segment of the ISS, and normalize to the high energy Si abundances given by Simpson. These are the first particle spectral measurements, which include ions up to Fe, performed in the USLab. The small differences observed between those made inside the USLab and the Simpson abundances can be attributed to the transport through the spacecraft hull. However, the low abundance of Fe cannot be attributed to only this process. (C) 2010 Elsevier Ltd. All rights reserved.
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