BaF<SUB>2</SUB> Scintillator Coupling with a Low-pressure Multistep Avalanche Chamber

HU Tao; CHEN Hong-Fang; XU Zi-Zong; ZHENG Hai-Sheng; WANG Zhao-Min

Chinese Physics C> 1992, Vol. 16> Issue(6) : 481-486

BaF₂ Scintillator Coupling with a Low-pressure Multistep Avalanche Chamber

Department of Modern Physics,University of Science and Technology of Ching,Hefei 230026

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Abstract：
We studied the properties of a UV light sensitive low-pressure multistep avalanche chamber containing pure TMAE vapour.The gain of two chambers with different constructure at various temperatures is measured.With pure TMAE vapour at 40°C the gain of one chamber was 4×10⁵,the time resolution was 4.1ns.Coupling the chamber with a 2×2×2.4cm³ BaF₂ scintillator we successfully observed the signal of ¹³⁷Cs γ-ray of 0.661MeV.

References

[1]

M. Laval, et al, Nucl. Instr. and Meth., A206 (1983), 169.[2] J. Seguinot, et al., Nucl. Instr. and Meth., A142 (1977), 377.[3] D. F. Anderson, et al., Nucl. Instr. and Meth., A217 (1983), 217.[4] D. F. Anderson, et al., Nucl. Instr. and Meth., A225 (1984), 8.[5] P. Schotanus, Nucl. Instr. and Meth., A252 (1986), 255,[6] C. L. Woody, et al., IEEE Tran. Nucl., Sci., NS-33 (1986), 136.[7] 胡涛，"BaF2=藕合低气压多步雪崩室”(中国科技大学近代物理系内部报告).[8] Kai Siegbahn ”αβ γ Ray Spectroscopy" Vol. 1, p. 25.

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HU Tao, CHEN Hong-Fang, XU Zi-Zong, ZHENG Hai-Sheng and WANG Zhao-Min. BaF₂ Scintillator Coupling with a Low-pressure Multistep Avalanche Chamber[J]. Chinese Physics C, 1992, 16(6): 481-486.

HU Tao, CHEN Hong-Fang, XU Zi-Zong, ZHENG Hai-Sheng and WANG Zhao-Min. BaF₂ Scintillator Coupling with a Low-pressure Multistep Avalanche Chamber[J]. Chinese Physics C, 1992, 16(6): 481-486. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

BaF₂ Scintillator Coupling with a Low-pressure Multistep Avalanche Chamber

Corresponding author: HU Tao,

Department of Modern Physics,University of Science and Technology of Ching,Hefei 230026

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1992-06-05

Abstract: We studied the properties of a UV light sensitive low-pressure multistep avalanche chamber containing pure TMAE vapour.The gain of two chambers with different constructure at various temperatures is measured.With pure TMAE vapour at 40°C the gain of one chamber was 4×10⁵,the time resolution was 4.1ns.Coupling the chamber with a 2×2×2.4cm³ BaF₂ scintillator we successfully observed the signal of ¹³⁷Cs γ-ray of 0.661MeV.