A capacitance servo control plunger for accurate lifetime measurement

The recoil distance Doppler shift method has been widely used in the study of nuclear structure to determine the level lifetime and absolute transition probabilities.A capacitance servo control plunger based on this method has been successfully developed by the Nuclear Structure Group of the China I...

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Published inChinese physics C Vol. 38; no. 3; pp. 45 - 50
Main Author 汪金龙 吴晓光 贺创业 李广生 樊启文 杜英辉 吴义恒 胡世鹏 郑云 李聪博 李红伟 刘嘉健 罗朋威 姚顺和
Format Journal Article
LanguageEnglish
Published 01.03.2014
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ISSN1674-1137
0254-3052
DOI10.1088/1674-1137/38/3/036201

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Summary:The recoil distance Doppler shift method has been widely used in the study of nuclear structure to determine the level lifetime and absolute transition probabilities.A capacitance servo control plunger based on this method has been successfully developed by the Nuclear Structure Group of the China Institute of Atomic Energy.Three microscopes were employed to check the parallelism and can therefore guarantee a delicate measurement of the distance between the target and the stopper.This new plunger made a successful performance in the test experiment and the measured lifetime of the 2~+→0~+ transition in ~(78)Kr is in agreement with the previous value.
Bibliography:11-5641/O4
lifetime RDDS plunger capacitance method servo control
The recoil distance Doppler shift method has been widely used in the study of nuclear structure to determine the level lifetime and absolute transition probabilities.A capacitance servo control plunger based on this method has been successfully developed by the Nuclear Structure Group of the China Institute of Atomic Energy.Three microscopes were employed to check the parallelism and can therefore guarantee a delicate measurement of the distance between the target and the stopper.This new plunger made a successful performance in the test experiment and the measured lifetime of the 2~+→0~+ transition in ~(78)Kr is in agreement with the previous value.
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ISSN:1674-1137
0254-3052
DOI:10.1088/1674-1137/38/3/036201