Hydrogen-deuterium 1S-2S isotope shift and the structure of the deuteron

被引：167
|
作者：
Huber, A
Udem, T
Gross, B
Reichert, J
Kourogi, M
Pachucki, K
Weitz, M
Hansch, TW
机构：
[1] Max Planck Inst Quantum Opt, D-85748 Garching, Germany
[2] Tokyo Inst Technol, Midori Ku, Yokohama, Kanagawa 226, Japan
[3] Univ Warsaw, Inst Theoret Phys, PL-00681 Warsaw, Poland
来源：
PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 03期
关键词：
D O I：
10.1103/PhysRevLett.80.468
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have determined the hydrogen-deuterium isotope shift of the 1S-2S two-photon resonance with a 150-fold increase in accuracy compared tct previous measurements. Our experimental result of 670994 334.64(15) kHz has been obtained with an optical frequency comb generator and a CH4-stabilized He-Ne reference laser which provides the frequency stability of our spectrometer while switching between the isotopes. From this measurement we derive values for thr difference of the mean square charge radii of the proton and deuteron r2/d - r2/p = 3.8212(15) fm(2), and for the deuteron structure radius r(str) = 1.975 35(85) fm.
引用
收藏
页码：468 / 471
页数：4
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