BaF2 Scintillator Coupling with a Low-pressure Multistep Avalanche Chamber |
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| Authors: | HU Tao CHEN Hong-Fang XU Zi-Zong ZHENG Hai-Sheng WANG Zhao-Min |
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| Affiliation: | 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. |
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