Towards real-time digital pulse process algorithms for CsI(Tl) detector array at External Target Facility in HIRFL-CSR

Tao Liu; Hai-Sheng Song; Yu-Hong Yu; Duo Yan; Zhi-Yu Sun; Shu-Wen Tang; Fen-Hua Lu; Shi-Tao Wang; Xue-Heng Zhang; Xian-Qin Li; Hai-Bo Yang; Fang Fang; Yong-Jie Zhang; Shao-Bo Ma; Hooi-Jin Ong; Cheng-Xin Zhao

doi:10.1007/s41365-023-01272-6

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Towards real-time digital pulse process algorithms for CsI(Tl) detector array at External Target Facility in HIRFL-CSR

NUCLEAR ELECTRONICS AND INSTRUMENTATION | Updated：2023-10-13

- Towards real-time digital pulse process algorithms for CsI(Tl) detector array at External Target Facility in HIRFL-CSR
- Towards real-time digital pulse process algorithms for CsI(Tl) detector array at External Target Facility in HIRFL-CSR
- 核技术（英文版） 2023年34卷第9期文章编号：131
- Affiliations：
  
  1.Northwest Normal University, Lanzhou 730070, China
  2.Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
  3.University of Chinese Academy of Sciences, Beijing 100049, China
- Author bio：
  
  † songhs@nwnu.edu.cn
  ‡ yanduo@impcas.ac.cn
- Funds：
  
  Open Research Project of CAS Large Research Infrastructures, CAS Key Technology Talent Program, and National Natural Science Foundations of China(U2031206;12273086)
- DOI：10.1007/s41365-023-01272-6
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Towards real-time digital pulse process algorithms for CsI(Tl) detector array at External Target Facility in HIRFL-CSR[J]. 核技术（英文版）, 2023,34(9):131

Tao Liu, Hai-Sheng Song, Yu-Hong Yu, et al. Towards real-time digital pulse process algorithms for CsI(Tl) detector array at External Target Facility in HIRFL-CSR[J]. Nuclear Science and Techniques, 2023,34(9):131
Towards real-time digital pulse process algorithms for CsI(Tl) detector array at External Target Facility in HIRFL-CSR[J]. 核技术（英文版）, 2023,34(9):131 DOI： 10.1007/s41365-023-01272-6.

Tao Liu, Hai-Sheng Song, Yu-Hong Yu, et al. Towards real-time digital pulse process algorithms for CsI(Tl) detector array at External Target Facility in HIRFL-CSR[J]. Nuclear Science and Techniques, 2023,34(9):131 DOI： 10.1007/s41365-023-01272-6.

摘要

Abstract

A fully digital data acquisition system based on a field-programmable gate array (FPGA) was developed for a CsI(Tl) array at the External Target Facility (ETF)in the Heavy Ion Research Facility in Lanzhou(HIRFL). To process the CsI(Tl) signals generated by ,γ,-rays and light-charged ions, a scheme for digital pulse processing algorithms is proposed. Every step in the algorithms was benchmarked using standard ,γ, and ,α, sources. The scheme, which included a moving average filter, baseline restoration, leading-edge discrimination, moving window deconvolution and digital charge comparison was subsequently implemented on the FPGA. A good energy resolution of 5.7% for 1.33 MeV ,γ, rays and excellent ,α,-,γ, identification using the digital charge comparison method were achieved, which satisfies CsI(Tl) array performance requirements.

关键词

Keywords

CsI(Tl) arrayOn-line digital algorithmsMoving average filterMoving window deconvolutionOn-line particle identification algorithms

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