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http://dx.doi.org/10.5140/JASS.2013.30.2.107

Development and Characterization of Tissue Equivalent Proportional Counter for Radiation Monitoring in International Space Station  

Nam, Uk-Won (Korea Astronomy and Space Science Institute)
Lim, Chang Hwy (Korea Atomic Energy Research Institute)
Lee, Jae Jin (Korea Astronomy and Space Science Institute)
Pyo, Jeonghyun (Korea Astronomy and Space Science Institute)
Moon, Bong-Kon (Korea Astronomy and Space Science Institute)
Lee, Dae-Hee (Korea Astronomy and Space Science Institute)
Park, Youngsik (Korea Astronomy and Space Science Institute)
Kim, Hyun Ok (Korea Atomic Energy Research Institute)
Moon, Myungkook (Korea Atomic Energy Research Institute)
Kim, Sunghwan (Cheongju University)
Publication Information
Journal of Astronomy and Space Sciences / v.30, no.2, 2013 , pp. 107-112 More about this Journal
Abstract
Tissue equivalent proportional counter (TEPC) can measure the Linear Energy Transfer (LET) spectrum and calculate the equivalent dose for the complicated radiation field in space. In this paper, we developed and characterized a TEPC for radiation monitoring in International Space Station (ISS). The prototype TEPC which can simulate a 2 ${\mu}m$ of the site diameter for micro-dosimetry has been tested with a standard alpha source ($^{241}Am$, 5.5 MeV). Also, the calibration of the TEPC was performed by the $^{252}Cf$ neutron standard source in Korea Research Institute of Standards and Science (KRISS). The determined calibration factor was $k_f=3.59{\times}10^{-7}$ mSv/R.
Keywords
tissue equivalent proportional counter; linear energy transfer; international space station;
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