CAJ | 학술논문

为了提高北京HI-13串列加速器束流的硅中射程和LET 值，本文开展了高电荷态束流引出技术及pA级弱束流诊断技术研究。采用电刚度和磁刚度模拟技术，配合pA级弱束流束斑观测和束流强度监测技术，获得能量360 MeV、峰总比80％的197 Au离子束流，其在Si中的表面LET为86.1 MeV · cm2· mg -1、射程为30.1μm ，满足单粒子效应（SEE）实验的要求，拓展了北京 HI-13串列加速器上单粒子效应实验所用离子的能量和LET值范围。
위료제고북경HI-13천렬가속기속류적규중사정화LET 치，본문개전료고전하태속류인출기술급pA급약속류진단기술연구。채용전강도화자강도모의기술，배합pA급약속류속반관측화속류강도감측기술，획득능량360 MeV、봉총비80％적197 Au리자속류，기재Si중적표면LET위86.1 MeV · cm2· mg -1、사정위30.1μm ，만족단입자효응（SEE）실험적요구，탁전료북경 HI-13천렬가속기상단입자효응실험소용리자적능량화LET치범위。
In order to get the Beijing HI-13 tandem accelerator beam with the higher range and LET in silicon , the techniques of beam route simulating and pico-ampere beam diagnosing were developed .The magnetic rigidity simulation and electric rigidity simulation techniques combined with beam spot observing and beam intensity measuring techniques were used for getting 360 MeV 197 Au ion beam with the peak-to-total ratio of 80% in the spectrum .The range of 360 MeV 197 Au in silicon is 30.1μm and the LET is 86.1 MeV · cm2 · mg -1 .This meets the requirement of single-event effect test ,and the beam energy range and LET range in Beijing HI-13 tandem accelerator have been obvi-ously enlarged .