Journal
RADIATION MEASUREMENTS
Volume 140, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.radmeas.2020.106505
Keywords
Etched track detector; Solid-state nuclear track detector; CR-39; Track data analysis; Space secondaries; Target nuclear fragments; High-energy protons
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Funding
- Quantum Medical Science Directorate of the National Institutes for Quantum and Radiological Science and Technology (QST-QMSD) (JP): Joint research project with heavy ions at QST HIMAC under the Memorandum with IBMP RAS [H376]
- Russian Academy of Science (RU): General Research Project of the Russian Academy of Science [65.2]
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This article presents and compares two etched track detector methods for measuring short-range particles, one involving intermittent etching and the other one-step etching. Both methods have been proven effective in identifying target nuclear fragments.
In this article, two etched track detector methods for measuring short-range particles are presented and compared. The primary method employs observations of the evolution of the track geometry in intermittent etching, with the use of the appropriate track scanning procedures. The alternative method requires one-step etching and a specific analysis of the track parameters. Both methods proved to be effective in identifying target nuclear fragments amongst a high background from primary cosmic radiation. Additionally, the linear energy transfer (LET) spectrum of the target nuclear fragments, obtained onboard the International Space Station, was found to be consistent with the results from high-energy proton beams in ground-based experiments.
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