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Radiation Protection Dosimetry 2005 116(1-4):228-231; doi:10.1093/rpd/nci059
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© The Author 2005. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Some recent measurements onboard spacecraft with passive detector

F. Spurny* and I. Jadrnícková

Department of Radiation Dosimetry, Nuclear Physics Institute, Na Truhlárce 39/64, 180 86 Praha 8, Czech Republic

* Corresponding author: spurny{at}ujf.cas.cz

Several passive detectors were used to estimate dosimetry and microdosimetry characteristics of radiation field onboard spacecraft, namely: thermoluminescent detectors (TLDs), mainly to appreciate the contribution of radiation with low-linear energy transfer (LET); Si diode, to try to establish the contribution of fast neutrons; an LET spectrometer based on the chemically etched polyallyldiglycolcarbonate etched track detectors (PADC-TEDs). Detectors have been exposed onboard MIR and International Space Station (ISS) since 1997, they were also used during the MESSAGE 2 biological experiment, October 2003. The results are presented, analysed and discussed. Particular attention is devoted to the possibility of estimating neutron contribution based on data obtained with PADC-TED spectrometer of LET.


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