Chinese Physics C > 1992, Vol. 16 > Issue(S2): 135-140

Experimental Investigation of the Decay Rate of Orthopositronium

Institute of High Energy Physics, the Chinese Academy of Sciences. Beijing, China

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A method for the measurement of the vacuum decay rate λ ₀of orthopositronium is presented and the preliminary result is λ ₀=7.034 ±0.013 μs ^-1. The possibility of improving the experiment is discussed.

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Zhang Tianbao, Yang Guangming, Guo Baonian and Wang Haidong. Experimental Investigation of the Decay Rate of Orthopositronium[J]. Chinese Physics C, 1992, 16(S2): 135-140.

Zhang Tianbao, Yang Guangming, Guo Baonian and Wang Haidong. Experimental Investigation of the Decay Rate of Orthopositronium[J]. Chinese Physics C, 1992, 16(S2): 135-140. shu

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Received: 1991-09-05

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Supported by the National Natural Science Foundation of China.

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沈阳化工大学材料科学与工程学院沈阳 110142

Experimental Investigation of the Decay Rate of Orthopositronium

Institute of High Energy Physics, the Chinese Academy of Sciences. Beijing, China

Received Date:1991-09-05

Fund Project:Supported by the National Natural Science Foundation of China.

Abstract:A method for the measurement of the vacuum decay rateλ₀of orthopositronium is presented and the preliminary result isλ₀=7.034 ±0.013μs^-1. The possibility of improving the experiment is discussed.