Development of hard X-ray spectrometer with full digital data acquisition for runaway electron studies at HL-2M

被引：4

作者：

Cheng, Shikui ^{[1
]}

Zhang, Jie ^{[1
]}

Zhang, Yipo ^{[1
]}

He, Li ^{[2
]}

Xu, Hongbing ^{[1
]}

Zhu, Yuxuan ^{[1
]}

Zhan, Xuwen ^{[1
]}

Shi, Zhongbing ^{[1
]}

Zhong, Wulv ^{[1
]}

机构：

[1] Southwestern Inst Phys, Chengdu 610041, Sichuan, Peoples R China

[2] Chengdu Univ Technol, Coll Nucl Technol & Automat Engn, Chengdu 610059, Sichuan, Peoples R China

来源：

JOURNAL OF INSTRUMENTATION | 2023年 / 18卷 / 02期

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

Nuclear instruments and methods for hot plasma diagnostics; Gamma detectors (scin- tillators; CZT; HPGe; HgI etc); X-ray detectors; DISRUPTIONS; BEHAVIOR;

D O I：

10.1088/1748-0221/18/02/T02006

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The development of hard X-ray (HXR) spectrometers with full digital data acquisition for runaway electron studies on the HL-2M tokamak is presented. Consisting of large-sized NaI:Tl detectors and high-performance multichannel analyzers, this system can realize the measurement of HXR with energies ranging from 0.5 to 10 MeV, and spectrum temporal resolution of 1 ms. An average energy resolution of 56 keV at 662 keV has been achieved at counts rates of about 100 kcps. The spectra data is acquired by a digital-based data acquisition system with fast digitization and software signal processing technology. The energy calibrations are performed by using several radioisotope gamma-ray sources, and the detection efficiencies are simulated by MCNP code. First experimental results from HL-2M Ohmic discharges are presented in this paper.

引用

页数：12

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