Precision measurement of the ratio of scalar to tensor transition polarizabilities for the cesium 6S-7S transition

被引:30
作者
Cho, D
Wood, CS
Bennett, SC
Roberts, JL
Wieman, CE
机构
[1] UNIV COLORADO, JOINT INST LAB ASTROPHYS, BOULDER, CO 80309 USA
[2] UNIV COLORADO, DEPT PHYS, BOULDER, CO 80309 USA
来源
PHYSICAL REVIEW A | 1997年 / 55卷 / 02期
关键词
D O I
10.1103/PhysRevA.55.1007
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The ratio of scalar to tensor transition polarizabilities (alpha/beta) for the cesium 6S(1/2)F = 3 to 7S(1/2)F' = 3 transition has been measured using a spin-polarized atomic beam and an interference technique. We use an electric- and magnetic-field configuration where the Stark-induced electric dipole transition amplitudes arising from the scalar and tensor polarizabilities interfere, giving rise to large changes in the 6S-7S transition rate. The measured ratio is alpha/beta=-9.905+/-0.011. This result represents a tenfold improvement in precision, and agrees well with previous measurements and calculations. The ratio alpha/beta is of critical importance for cesium atomic parity violation experiments.
引用
收藏
页码:1007 / 1011
页数:5
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