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摘要：
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| 本文利用Geant4模拟了FD3013数字γ辐射仪探测器探测晶体，对137Cs（0.661MeV）的γ射线的探测效率，和TH-PPL CT教学仪防护铅罐对137Cs源的防护效果，并建立了简易人体模型，仿真计算了人体吸收剂量，结果显示防护铅罐屏蔽后的辐射剂量在可接受的水平内。 |
| This paper simulates the detection efficiency of the detector crystal of FD3013 digital gamma ray radiation instrument to 137Cs gamma source using Monte Carlo simulation tool kit Geant4. The protection lead tin’s protective effect of TH-PPL CT teaching instrument is also studied. To simulate the trunk dosage, a simple trunk model is established, the simulation results show that the protective effect is acceptable. |
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参考文献：
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[1] CERN. Geant 4[DB/OL]. (2006-08-02)[2009-09-06]. http://geant4.web.cern.ch/geant4/User- Documentation/Welcome/IntroductionToGeant4/html/introductionToGeant4.html#1.
[2] Agostinelli S. Geant4 |
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