Proton beam dosimetry using a TEPC with a 252Cf neutron calibration

A tissue-equivalent proportional counter (TEPC) can measure the linear energy transfer (LET) of incident radiation and directly calculate the equivalent dose to humans in a complicated radiation field. For radiation monitoring, we developed and characterized a TEPC that can simulate a site diameter...

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Bibliographic Details
Published in:Journal of the Korean Physical Society 2015, 67(8), , pp.1459-1462
Main Authors: Nam, Uk-Won, Park, Won-Kee, Lee, Jaejin, Pyo, Jeonghyun, Moon, Bongkon, Kim, Sunghwan
Format: Article
Language:English
Subjects:
Mathematical and Computational Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Theoretical
물리학
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Summary:A tissue-equivalent proportional counter (TEPC) can measure the linear energy transfer (LET) of incident radiation and directly calculate the equivalent dose to humans in a complicated radiation field. For radiation monitoring, we developed and characterized a TEPC that can simulate a site diameter of 2 µ m for micro-dosimetry. It was calibrated with a 252 Cf neutron standard source at the Korea Research Institute of Standards and Science. The channel to LET calibration factor of the TEPC is about 0.72 keV/ µ m-channel. Also, we evaluated the possibility of usage the TEPC as a proton dosimeter.
ISSN:0374-4884
1976-8524
DOI:10.3938/jkps.67.1459