中国散裂中子源伴生质子辐照实验平台及其技术参数的确定  

Associated Protons Experimental Platform of China SpallationNeutron Source and Determination of Its Technical Parameters

作　　者：谭志新 敬罕涛 樊瑞睿 黄良生 蒋伟 李强[1,2] 何泳成 王林[1,2] 于永积 宁常军 黄蔚玲[1,2] 邱瑞阳 曾磊 孙晓阳 曹秀霞 马娜 李论[1,2] TAN Zhixin;JING Hantao;FAN Ruirui;HUANG Liangsheng;JIANG Wei;LI Qiang;HE Yongcheng;WANG Lin;YU Yongji;NING Changjun;HUANG Weiling;QIU Ruiyang;ZENG Lei;SUN Xiaoyang;CAO Xiuxia;MA Na;LI Lun(Spallation Neutron Source Science Center,Accelerator Technology Department,Dongguan,Guangdong province 523803,China;Institute of High Energy Physics,Chinese Academy of Sciences,Beijing,100049,China)

机构地区：[1]散裂中子源科学中心加速器技术部,广东东莞523803 [2]中国科学院高物理研究所东莞研究部,北京100049

出　　处：《现代应用物理》2024年第2期94-102,共9页Modern Applied Physics

基　　金：国家重大科研仪器研制基金资助项目(52127817);广东省粤莞联合基金资助项目(2021B1515140007)。

摘　　要：为了利用负氢离子加速器中伴随产生的质子成分,中国散裂中子源(China Spallation Neutron Source,CSNS)在直线加速器末端建设了伴生质子辐照实验平台(associated protons experimental platform,APEP)。为了确定其性能参数,采用散射测量、束斑照相、同位素活化法等实验方法对伴生质子辐照实验平台的主要参数进行了刻度。实验证实,该辐照平台可以提供的质子能量范围为10~80 MeV,束斑分布均匀,束流强度范围为1.2×10^(7)~4.0×10^(9) cm^(-2)·s^(-1)。伴生质子辐照实验平台运行稳定,每年提供超过5000 h的束流时间,可以满足宇航器件可靠性测试、探测器刻度、辐照育种以及材料抗辐照特性测试等多种应用需求。The China Spallation Neutron Source(CSNS)is a large-scale multi-discipline user facility based on high energy particle accelerators.To utilize the accompanying protons generated in the negative hydrogen ion accelerator,an associated proton experimental platform(APEP)is constructed by CSNS at the end of Linac.Its main parameters are calibrateded through scattering measurement,beam spot photography,isotope activation method,and other experiment methods.The experimental results show that its energy range is from 10 to 80 MeV,and the beam intensity covers from 1.2×10^(7) to 4.0×10^(9) cm^(-2)·s^(-1).The beam spot is uniform and adjustable in size.The APEP operates stably,providing over 5000 h of beam time per year.It can meet the application requirements of device reliability test,detector calibration,irradiation breeding,and material radiation resistance characteristic test.

关 键 词：中国散裂中子源 伴生质子束 负氢离子 能量刻度 参数测试 

分 类 号：TL929[核科学技术—核燃料循环与材料]