Measurement of Decay Rate Variation of 7Be in Pt and Al

LI Cheng-bo; WEN Qun-gang; MENG Qiu-ying; LIU Zhi-yi; ZHOU Shu-hua; LI Xiao-mei; ZHOU Jing; FU Yuan-yong; HU Shou-yang; ZHOU Feng; LI Shou-ping

doi:10.11804/NuclPhysRev.25.03.236

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Volume 25 Issue 3

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Article Navigation > Nuclear Physics Review > 2008 > 25(3): 236-239

LI Cheng-bo, WEN Qun-gang, MENG Qiu-ying, LIU Zhi-yi, ZHOU Shu-hua, LI Xiao-mei, ZHOU Jing, FU Yuan-yong, HU Shou-yang, ZHOU Feng, LI Shou-ping. Measurement of Decay Rate Variation of 7Be in Pt and Al[J]. Nuclear Physics Review, 2008, 25(3): 236-239. doi: 10.11804/NuclPhysRev.25.03.236

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LI Cheng-bo, WEN Qun-gang, MENG Qiu-ying, LIU Zhi-yi, ZHOU Shu-hua, LI Xiao-mei, ZHOU Jing, FU Yuan-yong, HU Shou-yang, ZHOU Feng, LI Shou-ping. Measurement of Decay Rate Variation of 7Be in Pt and Al[J]. Nuclear Physics Review, 2008, 25(3): 236-239. doi: 10.11804/NuclPhysRev.25.03.236

Measurement of Decay Rate Variation of 7Be in Pt and Al

doi: 10.11804/NuclPhysRev.25.03.236

China Institute of Atomic Energy, Beijing 102413, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2008-09-20

Abstract

We measured the variation of the decay rate of ⁷Be implanted in Pt and Al host materials by detecting the 478 keV γray emitted from the first excited state of ⁷Li which is produced by EC decay of ⁷Be with two HPGe detectors simultaneously, and found no difference of ⁷Be decay rate in Pt from that in Al within our experimental error (<0.14%). We discussed the relation of the decay rate variation with the electronic affinities and effective electron densities near the implanted ions in the two different host materials.
- EC,
- decay rate,
- electronic affinity,
- effective electron density
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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