Applying Monte-Carlo simulations to optimize an inelastic neutron scattering system for soil carbon analysis

被引：17
|
作者：
Yakubova, Galina [1 ]
Kavetskiy, Aleksandr [1 ]
Prior, Stephen A. [1 ]
Torbert, H. Allen [1 ]
机构：
[1] USDA ARS, Natl Soil Dynam Lab, 411 South Donahue Dr, Auburn, AL 36832 USA
来源：
APPLIED RADIATION AND ISOTOPES | 2017年 / 128卷
关键词：
Inelastic neutron scattering; Soil carbon measurement; Monte-Carlo simulation; Geant4; MDL and sensitivity of INS system; GAMMA-SPECTROSCOPY; ACTIVATION; CHLORINE; SCIENCE;
D O I：
10.1016/j.apradiso.2017.07.003
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Computer Monte-Carlo (MC) simulations (Geant4) of neutron propagation and acquisition of gamma response from soil samples was applied to evaluate INS system performance characteristic [minimal detectible level (MDL), sensitivity] for soil carbon measurement. The INS system model with best performance characteristics was determined based on MC simulation results. Measurements of MDL using an experimental prototype based on this model demonstrated good agreement with simulated data. This prototype will be used as the base engineering design for a new INS system.
引用
收藏
页码：237 / 248
页数：12
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