Large Decay Rate Variation of 7Be in Pd and Au

Zhou Shu-Hua; Liu Zhi-Yi; Zhou Jing; Meng Qiu-Ying; Li Cheng-Bo; Lian Gang; Wang Bao-Xiang; Bai Xi-Xiang

doi:10.1088/0256-307X/22/3/013

Chinese Physics Letters

Large Decay Rate Variation of ⁷Be in Pd and Au

Zhou Shu-Hua¹, Liu Zhi-Yi¹, Zhou Jing¹, Meng Qiu-Ying¹, Li Cheng-Bo¹, Lian Gang¹, Wang Bao-Xiang¹ and Bai Xi-Xiang¹

Published under licence by IOP Publishing Ltd
Chinese Physics Letters, Volume 22, Number 3 Citation Zhou Shu-Hua et al 2005 Chinese Phys. Lett. 22 565 DOI 10.1088/0256-307X/22/3/013

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¹ China Institute of Atomic Energy, PO Box 275(18), Beijing 102413

Dates

Received 11 November 2004

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Abstract

Platinum and gold have the similar crystal structure but different electronic affinities, as well as different effective electron densities near the implanted ions. Both the differences favour larger decay rate of ⁷Be in Pd than that in Au. We measured the variation of the decay rate of ⁷Be implanted in Pd and Au host materials. We have found that the decay rate of ⁷Be in Pd is larger than that in Au by 0.8%.

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