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Report No.

Space radiation dosimetry in Kibo module, 1; Measurement

Nagamatsu, Aiko*; Sato, Tatsuhiko   ; Kitajo, Keiichi*; Shimada, Ken*; Sakane, Sayuri*; Takeda, Kazuo*; Niita, Koji*

Continuous space-radiation dosimetry is one of the key missions at the International Space Station (ISS) for radiation health management of crew members and for scientific activities. Since the Japanese Experiment Module KIBO was attached to the ISS in 2008, we have been performing continuous space radiation dosimetry using a passive and integrating dosimeters, PADLES (Passive Dosimeter for Life-Science Experiments in Space). To date, several hundreds of PALDES having returned from the ISS showed anisotropy of the radiation environment and changes in the dose rate due to ISS attitudes and differences in shielding conditions. On this occasion, an overview of JAXA's continuous radiation dosimetry activities and the preliminary results will be presented with the discussions, which based on the simulation analysis with Particle and Heavy Ion Transport code System PHITS.



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