蒙特卡罗方法测定土壤样品中不均匀性对伽马射线探测效率的影响。
Monte Carlo determination of inhomogeneity effect on gamma-ray detection efficiency in soil samples.
作者信息
Celik Necati, Cevik Ugur
机构信息
Department of Physics, Karadeniz Technical University, Trabzon, Turkey.
出版信息
Radiat Prot Dosimetry. 2010 Sep;141(2):178-82. doi: 10.1093/rpd/ncq153. Epub 2010 May 20.
PMID:20488974
Abstract
Inhomogeneity effect on full energy peak (FEP) efficiency in a soil sample was determined using the Monte Carlo simulation technique. The dependence of the FEP efficiency on the homogeneity in the soil was obtained for some particular photon energies ranging from 60 keV to 2 MeV and, as a result, the corresponding correction factors were obtained. This effect was more significant at lower energies and for higher inhomogeneity rates.
摘要
利用蒙特卡罗模拟技术确定了土壤样品中不均匀性对全能峰（FEP）效率的影响。针对60 keV至2 MeV范围内的一些特定光子能量，得出了FEP效率对土壤均匀性的依赖性，从而获得了相应的校正因子。这种影响在较低能量和较高不均匀率情况下更为显著。
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