CAJ | 학술논문

利用蒙特卡罗程序包Geant4，模拟了14 MeV中子在水、聚乙烯、碳酸钙和氧化铁4种不同介质中的非弹性散射时间与俘获时间；通过分析脉冲宽度为10μs的14 MeV脉冲中子在这4种不同介质中的非弹性散射与俘获时间分布，得到非弹性散射与俘获时间门的宽度；利用得到的非弹性散射与俘获时间门，获得了14 MeV脉冲中子在聚乙烯介质中的净非弹性散射γ谱与净俘获γ谱。
이용몽특잡라정서포Geant4，모의료14 MeV중자재수、취을희、탄산개화양화철4충불동개질중적비탄성산사시간여부획시간；통과분석맥충관도위10μs적14 MeV맥충중자재저4충불동개질중적비탄성산사여부획시간분포，득도비탄성산사여부획시간문적관도；이용득도적비탄성산사여부획시간문，획득료14 MeV맥충중자재취을희개질중적정비탄성산사γ보여정부획γ보。
The inelastic and capture time of 14 MeV neutron with a pulse width of 10 μs into H2 O、Polyethy-lene、CaCO3、Fe2O3 were simulated using Geant4,a Monte Carlo simulation software.The inelastic and capture time distribution of 14 MeV neutron in these materials were analyzed ,and the inelastic and capture time -gating windows were selected .The inelastic and capture γspectra of 14 MeV neutron in Polyethylene were acquired u-sing the inelastic and capture time -gating windows .