KMID : 1038720140250020095
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Progress in Medical Physics 2014 Volume.25 No. 2 p.95 ~ p.99
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Research of Efficiency for Gas Electron Multiplier Detector to Monitor Low Energy Gamma-Ray and Beta-Ray
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Lee Soon-hyouk
Jung Jae-Hoon Lee Re-Na
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Abstract
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Radiation monitoring is one of the most important process in all places where radioactive material is used including hospital. In this preliminary study, we made GAS electron multiplier (GEM) detector and acquired relative efficiencies in order to see if GEM detector can be useful in radiation monitoring system. The relative efficiency was acquired by using the ratio of GEM detector efficiency to CdTe detector efficiency. The relative efficiency of 72% and 4% was acquired for beta-ray and gamma-ray respectively.
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KEYWORD
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GEM detector, Efficiency
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