Neutron yield measurement system of HL-2A tokamak

Guoliang YUAN; Zuowei WEN; Lingfeng WEI; Jinwen ZHANG; Qingwei YANG

doi:10.1088/2058-6272/ac4f40

Plasma Science and Technology > 2022 > 24(6): 064006. > DOI: 10.1088/2058-6272/ac4f40

Guoliang YUAN, Zuowei WEN, Lingfeng WEI, Jinwen ZHANG, Qingwei YANG. Neutron yield measurement system of HL-2A tokamak[J]. Plasma Science and Technology, 2022, 24(6): 064006. DOI: 10.1088/2058-6272/ac4f40

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Neutron yield measurement system of HL-2A tokamak

Southwestern Institute of Physics, Chengdu 610225, People's Republic of China

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Corresponding author:
Guoliang YUAN, E-mail: yuangl@swip.ac.cn
Received Date: October 29, 2021
Revised Date: January 23, 2022
Accepted Date: January 25, 2022
Available Online: December 12, 2023
Published Date: May 25, 2022

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Abstract

Abstract

This research presents the development of HL-2A neutron yield measurement which includes ²³⁵U fission chamber and BF₃ and ³He proportional counters. Equivalent noise formula of the radiation detection signal amplification system was derived to guide the development of the signal amplification system. Then all detectors were calibrated in situ by using the ²⁵²C_f neutron source. The neutron yield of the HL-2A during neutral beam heating was analyzed. These results indicate that the developed neutron flux diagnostic system can obtain neutron yield results under various experimental conditions of the HL-2A tokamak, and can provide information on neutron yield.
- HL-2A,
- neutron yield,
- neutron flux,
- fission chamber,
- in situ calibration,
- equivalent noise charge

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Acknowledgments

This work was partially supported by the Science & Technology Department of Sichuan Province in China (No. 2021YFSY0018), National Natural Science Foundation of China (No. 11675049).

The authors would like to thank Dr. Luan Chunhong for the English language review.

References (23)

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