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

Abstract
HTML
Reference
Related

PDF

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.

[1]	Jie Wang , Yi Wang , Bo Xie , Pengfei Lv , Fuyue Wang , Baohong Guo , Dong Han , Yuanjing Li . Online aging study of a high rate MRPC. Chinese Physics C, 2016, 40(5): 056002. doi: 10.1088/1674-1137/40/5/056002
[2]	Yu-Shou Song , Ying-Wei Hou , Li-Yuan Hu , Hui-Lan Liu , Hong-Yi Wu . Influence of experimental conditions on the spectroscopy investigation of ¹⁴Be by Coulomb breakup reaction. Chinese Physics C, 2016, 40(5): 056203. doi: 10.1088/1674-1137/40/5/056203
[3]	YU Jing-Yi , WANG Zhe , CHEN Shao-Min . A precise calculation of delayed coincidence selection efficiency and accidental coincidence rate. Chinese Physics C, 2015, 39(5): 056201. doi: 10.1088/1674-1137/39/5/056201
[4]	SHI Ben-Liang , HUANG Sheng , ZHU Kun , LU Yuan-Rong . Experimental study of the plasma window. Chinese Physics C, 2014, 38(1): 018201. doi: 10.1088/1674-1137/38/1/018201
[5]	SHEN Xiao-Kang , CAO Shu-Chun , ZHANG Zi-Min , JING Yi , FENG Yu-Cheng , WANG Hui , ZHAO Hong-Wei , ZHAO Quan-Tang , LIU Ming , LI Zhong-Ping . Experimental investigation of a pulse line ion accelerator in Lanzhou. Chinese Physics C, 2014, 38(11): 117008. doi: 10.1088/1674-1137/38/11/117008
[6]	WANG Xin-Hua , GUO Hai-Ping , MOU Yun-Feng , ZHENG Pu , LIU Rong , YANG Xiao-Fei , YANG Jian . Measurement of tritium production rate distribution fora fusion-fission hybrid conceptual reactor. Chinese Physics C, 2013, 37(5): 056202. doi: 10.1088/1674-1137/37/5/056202
[7]	LIU Da , LU Chen-Gui , DUAN Li-Min , YANG He-Run , LU Yan-Xia , HU Rong-Jiang , LI Zu-Yu , ZHANG Jin-Xia , HU Zheng-Guo , SUN You-Mei , XU Zhi-Guo , MA Peng , GENG Peng , TANG Shu-Wen , WANG Wen-Xin , ZHOU Jian-Rong . Investigation of the energy resolution with a RETGEM detector. Chinese Physics C, 2010, 34(4): 479-481. doi: 10.1088/1674-1137/34/4/011
[8]	MA Qiao-Sheng , LIU Zhong , WU Yong , JIN Xiao . Experimental investigation of the relativistic backward wave oscillator with a periodic guiding magnetic field. Chinese Physics C, 2010, 34(4): 499-501. doi: 10.1088/1674-1137/34/4/016
[9]	WANG Mian , CHEN Yong-Shou , LI Zhi-Hong , LIU Wei-Ping , SHU Neng-Chuan . Calculation of astrophysical reaction rate of ⁸²Ge(n,γ)⁸³Ge. Chinese Physics C, 2009, 33(S1): 79-81. doi: 10.1088/1674-1137/33/S1/026
[10]	MIAO Ting-Ting , SHANG Yong , LIU Zhan-Wen , ZHAO Hong-Wei , SUN Liang-Ting , ZHANG Xue-Zhen , ZHAO Huan-Yu , WANG Hui , MA Bao-Hua , LI Xi-Xia , ZHU Yu-Hua , FENG Yu-Cheng , LI Jing-Yu . Experimental results of helicon sources. Chinese Physics C, 2009, 33(10): 892-896. doi: 10.1088/1674-1137/33/10/013
[11]	ZHENG Yu-Zhan , LU Wu , REN Di-Yuan , WANG Gai-Li , YU Xue-Feng , GUO Qi . ELDRS and dose-rate dependence of vertical NPN transistor. Chinese Physics C, 2009, 33(1): 47-49. doi: 10.1088/1674-1137/33/1/010
[12]	QI Hui-Rong , LI Yuan-Jing , LI Yu-Lan , LI Jin . Investigation of Gas attachment with GEM-TPC detector. Chinese Physics C, 2008, 32(S2): 229-231.
[13]	MA Qiao-Sheng , ZHOU Chuan-Min , WU Yong . Theoretical investigation of a backward wave oscillator. Chinese Physics C, 2008, 32(4): 290-293. doi: 10.1088/1674-1137/32/4/010
[14]	ZHONG Bin , PING Rong-Gang , XIAO Zhen-Jun . Study of Λ decay parameter in J/ψ→ΛΛ decay. Chinese Physics C, 2008, 32(9): 692-696. doi: 10.1088/1674-1137/32/9/003
[15]	ZHU Wen-Han , ZHAO Yan-E , ZHANG Yun-Long , XU Zi-Zong , WANG Xiao-Lian . Experimental study of multi-photon contamination on the measurement offluorescent decay time. Chinese Physics C, 2008, 32(11): 912-915. doi: 10.1088/1674-1137/32/11/013
[16]	MA Qiao-Sheng , WU Yong , FAN Zhi-Kai , GAN Yan-Qing , JIN Xiao , ZHOU Chuan-Ming . Experimental investigation of backward wave oscillator with low magnetic field. Chinese Physics C, 2008, 32(3): 222-226. doi: 10.1088/1674-1137/32/3/013
[17]	Guo Zhongyan , Zhan Wenlong , Zhou Jianqun , Zao Youxiong , Wang Jinchuan , Luo Yongfeng , Liu Guanhua , Lei Huihong , Zhang Wansheng , Qi Zhong , Lin Yuangen . RIBLL1 Terminal Experimental Setup. Chinese Physics C, 1996, 20(S3): 225-232.
[18]	Jia Huanyu , Cao Zhen , Zhang Huimin . Meteorological Effects on the Trigger Rate of Air Showers Observed with the Tibet Air Shower Array. Chinese Physics C, 1994, 18(S3): 235-242.
[19]	BES Collaboration . Experimental Study of f₂(1270) in the J/ψ Hadronic Decay. Chinese Physics C, 1992, 16(S4): 385-393.
[20]	GOU Liang , HUANG Tao . PROTON DECAY RATE AND THE PROTON WAVEFUNCTION. Chinese Physics C, 1984, 8(1): 45-51.

Access

Get Citation

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

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 1991-09-05

Fund

Supported by the National Natural Science Foundation of China.

Article Metric

Article Views(596)
PDF Downloads(2)
Cited by(0)

Policy on re-use

To reuse of subscription content published by CPC, the users need to request permission from CPC, unless the content was published under an Open Access license which automatically permits that type of reuse.

通讯作者: 陈斌, bchen63@163.com

1.
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 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.