Experimental Investigation of the Decay Rate of Orthopositronium

Zhang Tianbao; Yang Guangming; Guo Baonian; Wang Haidong

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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Abstract：
A method for the measurement of the vacuum decay rate λ₀ of orthopositronium is presented and the preliminary result is λ₀=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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