2S state and Lamb shift in muonic hydrogen

被引:12
作者
Pohl, Randolf [1 ]
机构
[1] Max Planck Inst Quantum Opt, Garching, Germany
来源
HYPERFINE INTERACTIONS | 2009年 / 193卷 / 1-3期
关键词
Muonic hydrogen; Metastable 2S state; Long-lived population; Coulomb deexcitation; Radiative quenching; Kinetic energy; Cascade time; EXCITED-STATES; HELIUM ION; ATOMS; DEUTERIUM; CASCADE; SEARCH; LASER; GAS; MU;
D O I
10.1007/s10751-009-0054-1
中图分类号
O64 [物理化学(理论化学)、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号
070203 ; 070304 ; 081704 ; 1406 ;
摘要
The metastable 2S state in muonic hydrogen is particularily interesting because a measurement of the Lamb shift could reduce the uncertainty in the proton charge radius by an order of magnitude. The most important prerequisite for such a measurement is a sufficiently large population and lifetime of the 2S state. We have determined the long-lived and short-lived 2S population, the deexcitation mechanisms and lifetimes, and the cascade time in mu p.
引用
收藏
页码:115 / 120
页数:6
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