On-line ion cooling and bunching for collinear laser spectroscopy -: art. no. 094801

被引：154
|
作者：
Nieminen, A
Campbell, P
Billowes, J
Forest, DH
Griffith, JAR
Huikari, J
Jokinen, A
Moore, ID
Moore, R
Tungate, G
Aystö, J
机构：
[1] Univ Manchester, Schuster Lab, Manchester M13 9PL, Lancs, England
[2] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England
[3] Univ Jyvaskyla, Dept Phys, FIN-40351 Jyvaskyla, Finland
来源：
PHYSICAL REVIEW LETTERS | 2002年 / 88卷 / 09期
关键词：
D O I：
10.1103/PhysRevLett.88.094801
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A new method has been developed for increasing the sensitivity of collinear laser spectroscopy. The method utilizes an ion-trapping technique in which a continuous low-energy ion beam is cooled and accumulated in a linear Paul trap and subsequently released as a short (10-20 mus) bunch. In collinear laser measurements the signal-to-noise ratio has been improved by a factor of 2 x 10(4), allowing spectroscopic measurements to be made with ion-beam fluxes of similar to50 ions s(-1). The bunching method has been demonstrated in an on-line isotope shift and hyperfine structure measurement on radioactive Hf-175.
引用
收藏
页码：948011 / 948014
页数：4
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