Observation of a motional Stark effect to determine the second-order Doppler effect

被引：16
|
作者：
Hagel, G [1 ]
Battesti, R [1 ]
Nez, F [1 ]
Julien, L [1 ]
Biraben, F [1 ]
机构：
[1] Univ Paris 06, Lab Kastler Brossel, Dept Phys, Ecole Normale Super, F-75252 Paris 05, France
来源：
PHYSICAL REVIEW LETTERS | 2002年 / 89卷 / 20期
关键词：
D O I：
10.1103/PhysRevLett.89.203001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The high resolution two-photon spectroscopy of hydrogen is often limited by the second-order Doppler effect. To determine this effect, we apply a magnetic field perpendicular to the atomic beam. This field induces a quadratic motional Stark shift proportional, as the second-order Doppler effect, to v(2) (v atomic velocity). For some magnetic field, these two effects are opposite and the total shift due to the atomic velocity is reduced. We present the first observation of this effect for the 1S-3S transition in hydrogen.
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页数：4
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