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

页码：948011 / 948014

页数：4

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