Study of Gas Amplification Impact on Plateau Curve Characteristics in Boron-Coated Proportional Counters

Yaolong Liu, Zhi Chen (), Youjun Huang, Tingfang Luo, Hongliang Zhu and Wenchao Wu
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Yaolong Liu: National Key Laboratory of Nuclear Reactor Technology, Nuclear Power Institute of China, Chengdu 610213, China
Zhi Chen: National Key Laboratory of Nuclear Reactor Technology, Nuclear Power Institute of China, Chengdu 610213, China
Youjun Huang: National Key Laboratory of Nuclear Reactor Technology, Nuclear Power Institute of China, Chengdu 610213, China
Tingfang Luo: National Key Laboratory of Nuclear Reactor Technology, Nuclear Power Institute of China, Chengdu 610213, China
Hongliang Zhu: National Key Laboratory of Nuclear Reactor Technology, Nuclear Power Institute of China, Chengdu 610213, China
Wenchao Wu: National Key Laboratory of Nuclear Reactor Technology, Nuclear Power Institute of China, Chengdu 610213, China

Energies, 2024, vol. 17, issue 22, 1-16

Abstract: The characteristics of the plateau curve, specifically its length and slope, in boron-coated proportional counters are key performance indicators that impact the detector’s overall performance. Currently, the lack of research on the plateau curve of boron-coated proportional counters is holding back progress in engineering design and scientific research. This study harnesses the Diethorn formula, a calculation method for gas gain, to explore the relationship between gas amplification and the plateau curve in a boron-coated proportional counter. Based on the analysis of experimental data, this study proposes methods for improving the characteristics of the plateau curve in a proportional counter, including modifications to the counter structure and gas pressure, along with an evaluation method for assessing the effectiveness of these improvements. First, the causes of the plateau curve in a boron-coated proportional counter are analyzed through a physical process perspective, identifying factors that influence gas amplification and subsequently affect the plateau curve. Building upon this foundation, the Diethorn formula is utilized to explore the effects of structural parameters and gas pressure on gas multiplication. Finally, experimental validation is conducted, resulting in the proposal of three methods for improving the characteristics of the plateau curve and an evaluation method for assessing the effectiveness of improvements.

Keywords: boron-coated proportional counter; gas amplification; plateau curve (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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