原子能科学技术2016，Vol.50Issue(7)：1301-1306,6.DOI:10.7538/yzk.2016.50.07.1301
基于数字脉冲成形技术的 HPGe γ谱仪系统研究
Study on HPGe γSpectrometry Based on Digital Pulse Shaping Technology
摘要
Abstract
In order to meet the requirement of γ spectrometry for high energy resolu-tion,a HPGe γ spectrometry based on digital pulse shaping technology was designed. The HPGeγspectrometry with the full energy scale of 8 1 92 channels,consists of front-end circuit,digital pulse processing module and upper computer software.The design of front-end circuit and the selection of the digital pulse shaping parameters in the digital pulse processing module were introduced.Meanwhile,the sources of 60 Co,1 34 Cs,1 3 7 Cs and 1 5 2 Eu were applied to test the HPGe γspectrometry.The test results show that the energy resolution for 1 332 keV peak of 60 Co is 1.8 keV.The linear fitting factor R 2 between peaks of 1 5 2 Eu and their corresponding channels can reach 0.999 993.The designed HPGe γ spectrometry can meet the requirement of γ spectrometry for high energy resolution.关键词
HPGe γ谱仪/数字脉冲成形/能量分辨率Key words
HPGe γ spectrometry/digital pulse shaping/energy resolution分类
能源科技引用本文复制引用
马英杰,洪旭,周建斌,王敏,周伟,刘易..基于数字脉冲成形技术的 HPGe γ谱仪系统研究[J].原子能科学技术,2016,50(7):1301-1306,6.基金项目
国家自然科学基金资助项目(11475036,41404108) （11475036,41404108）
