E//B中性颗粒分析仪的研究进展

IF 1.6 3区物理与天体物理 Q3 PHYSICS, FLUIDS & PLASMAS

Plasma Science & Technology Pub Date : 2023-11-13 DOI:10.1088/2058-6272/ad0c20

Long Ma, Yufan Qu, Yuan Luo, Dehao Xie, Yanxi Wang, Shuo Wang, Guofeng Qu, Peipei Ren, Xiaobing Luo, Xingquan Liu, Jifeng Han, Roy Wada, Weiping Lin, Linge Zang, Jingjun Zhu

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引用次数: 0

摘要

四川大学和西南物理研究所设计并研制了E//B中性粒子分析仪(NPA)。E//B NPA的主要目的是测量HL-2A/M托卡马克上快离子的分布函数。E//B NPA包含三个主要单元，即剥离单元、分析单元和检测单元。汽提装置采用气提室。给出了汽提室的模拟和波束试验结果，并为分析单元设计和构造了由一块钕铁硼永磁体和两块平行电板提供的平行电场和磁场。磁场和电场的校准在50 kV电子回旋共振离子源(ECRIS)平台上进行。检测单元由32个LYSO探测器模块组成，按2排排列。用241Am、137Cs和152Eu源和50kv ECRIS平台测量了探测器模块的α、氢离子(H+、H+2和H+3)和γ的响应函数。总体结果表明，所设计的E//B NPA装置能够测量能量高于20 keV的中性氢原子和氘核原子的强度。

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The research progress of an E//B neutral particle analyzer

Abstract An E//B neutral particle analyzer (NPA) has been designed and is under development at SichuanUniversity and Southwestern Institute of Physics. The main purpose of the E//B NPA is to measure thedistribution function of fast ions on HL-2A/M tokamak. The E//B NPA contains three main units, i.e.the stripping unit, the analyzing unit and the detection unit. A gas stripping chamber was adopted asthe stripping unit. Results of the simulations and beam tests for the stripping chamber are presented.The parallel electric and magnetic fields provided by a NdFeB permanent magnet and two parallelelectric plates were designed and constructed for the analyzing unit. The calibration of the magneticand electric fields was performed at the 50 kV electron cyclotron resonance ion source (ECRIS)platform. The detection unit consists of 32 LYSO detector modules arranged in 2 rows. The responsefunctions of α, hydrogen ions (H+, H+2 and H+3 ) and γ for a detector module were measured with241Am, 137Cs and 152Eu sources together with the 50 kV ECRIS platform. Overall results indicate thatthe designed E//B NPA device is capable to measure the intensity of neutral hydrogen and deuteron atoms with energy higher than 20 keV.

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来源期刊

Plasma Science & Technology 物理-物理：流体与等离子体

CiteScore

3.10

自引率

11.80%

发文量

3773

审稿时长

3.8 months

期刊介绍： PST assists in advancing plasma science and technology by reporting important, novel, helpful and thought-provoking progress in this strongly multidisciplinary and interdisciplinary field, in a timely manner. A Publication of the Institute of Plasma Physics, Chinese Academy of Sciences and the Chinese Society of Theoretical and Applied Mechanics.