新型高能锗探测器在INPP/NCSR“Demokritos”上的表征以及未来的(n,2n)反应

M. Peoviti, M. Axiotis, E. Georgali, S. Harissopulos, A. Lagoyannis, N. Patronis
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引用次数: 0

摘要

在本工作中,NCSR“Demokritos”核与粒子物理研究所的HPGe探测器在其效率方面得到了充分的表征。最近在CALIBRA项目的框架内获得了三个n型80%相对效率的HPGe。所有探测器都配备了碳环氧树脂窗口,允许检测低能γ射线。除了效率表征外,还利用GEANT4对三种探测器进行了全面建模。在所有情况下,模拟的探测器几何形状都经过了微调,以便完全再现不同源到探测器距离下的实验效率数据。最后,为了证明新提供的能力,三种HPGe探测器的效率表征和GEANT4建模用于中重核可能/未来(n,2n)活化测量的可行性研究。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Characterisation of the new HPGe detectors at INPP/NCSR “Demokritos”... and future (n,2n) reactions to be studied
Within the present work the HPGe detectors of the Institute of Nuclear and Particle Physics at NCSR “Demokritos” were fully characterized in terms of their efficiency. The three n-type 80% relative efficiency HPGe were recently acquired in the framework of the CALIBRA project. All detectors are equipped with carbon epoxy windows that allow detection of low energy γ-rays. Beside the efficiency characterization, the three detectors were fully modeled by means of GEANT4. In all cases the simulated detector geometries were fine-tuned so as to fully reproduce the experimental efficiency data at different source-to-detector distances. Finally, as a demonstration of the new offered abilities, the efficiency characterization and the GEANT4 modeling of the three HPGe detectors was used for a feasibility study of possible/future (n,2n) activation measurements on medium-weight nuclei.
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