Precision measurement of the metastable 3P2 lifetime of neon -: art. no. 010501

被引：41
|
作者：
Zinner, M [1 ]
Spoden, P [1 ]
Kraemer, T [1 ]
Birkl, G [1 ]
Ertmer, W [1 ]
机构：
[1] Leibniz Univ Hannover, Inst Quantenphys, D-30167 Hannover, Germany
来源：
PHYSICAL REVIEW A | 2003年 / 67卷 / 01期
关键词：
D O I：
10.1103/PhysRevA.67.010501
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The lifetime of the metastable P-3(2) state of neon has been determined as 14.73(14) s [decay rate 0.067 90(64) s(-1)] by measuring the decay in fluorescence of an ensemble of Ne-20 atoms trapped in a magneto-optical trap (MOT). Due to low background gas pressure (p<5x10(-11) mbar) and low relative excitation to the D-3(3) state (0.5 % excitation probability) only small corrections have to be included in the lifetime extrapolation. Together with a careful analysis of residual loss mechanisms in the MOT a lifetime determination to high precision is achieved.
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页数：4
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