Dosimetric telescope for radiation dose measurements in a human phantom on the International Space Station

Details Dosimetric telescope for radiation dose measurements in a human phantom on the International Space Station Dosimetric telescope for radiation dose measurements in a human phantom on the International Space Station

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja......237s&link_type=abstract

EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #237

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Described is the Liulin-5 active dosimetric telescope designed for measurement of the space radiation dose depth - distribution in a human phantom on the Russian Segment of the International Space Station (ISS). The Liulin-5 experiment is a part of the international project MATROSHKA-R on ISS. The MATROSHKA-R project is aimed to study the depth- dose distribution of the different components of the orbital radiation field at the sites of critical organs of the human body, using fully instrumented models of human body - anthropomorphic (ESA Facility MATROSHKA) and spherical tissue equivalent (Russia) phantoms. The aim of Liulin-5 experiment is long term (4-5 years) investigation of the radiation environment dynamics inside the spherical tissue equivalent phantom, mounted in different places of the Russian Segment of ISS. Energy deposition spectra, linear energy transfer spectra, and flux and dose rates for charged particles will be measured simultaneously with near real time resolution at different depths of the phantom by means of three silicon detectors, arranged as a dosimetric telescope. The doses in different organs, as well as the depth dose curve in the phantom body will be determined. Data obtained together with data from other active and passive dosimeters of the phantom will be used to estimate the radiation risk to the crewmembers, and to verify the models of radiation environment in low Earth orbit. Presented are the laboratory test results of the prototype unit. The launch of Liulin- 5 instrument is expected in 2004 year.

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