Two-photon spectroscopy of the francium 8S1/2 level

被引：31
|
作者：
Simsarian, JE [1 ]
Zhao, WZ [1 ]
Orozco, LA [1 ]
Sprouse, GD [1 ]
机构：
[1] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA
来源：
PHYSICAL REVIEW A | 1999年 / 59卷 / 01期
关键词：
D O I：
10.1103/PhysRevA.59.195
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the spectroscopy of the 8S(1/2) energy level in Fr-210 by two-photon excitation of atoms confined and cooled in a magneto-optical trap. The resonant intermediate level is the upper; state of either the 7P(3/2) trapping transition or the 7P(1/2) repumping transition. The center-of-gravity energy difference between the 7S(1/2) ground level and the 8S(1/2) level is 19 732.523 +/- 0.004 cm(-1). The hyperfine separation of the 8S(1/2), F=11/2 and F=13/2 states is 10 256 +/- 7 MHz, giving a magnetic dipole hyperfine constant A of 1577.8+/-1.1 MHz. [S1050-2947(99)01201-9].
引用
收藏
页码：195 / 199
页数：5
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