Deuteron-to-Proton Mass Ratio from the Cyclotron Frequency Ratio of H2+ to D+ with H2+ in a Resolved Vibrational State

被引：28

作者：

Fink, David J. ^{[1
]}

Myers, Edmund G. ^{[1
]}

机构：

[1] Florida State Univ, Dept Phys, Tallahassee, FL 32306 USA

来源：

PHYSICAL REVIEW LETTERS | 2020年 / 124卷 / 01期

基金：

美国国家科学基金会;

关键词：

ATOMIC MASS; ION; ELECTRON; H2+;

D O I：

10.1103/PhysRevLett.124.013001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have measured cyclotron frequency ratios of H-2(+) to D+ with sufficient precision to resolve the mass increase of H-2(+) due to vibrational energy. Additional discrimination against excited vibrational levels was provided by increasing the rate of vibrational decay through Stark quenching. From our results we obtain a value for the deuteron-to-proton mass ratio, m(d)/m(p) = 1.999 007 501 274(38), which has an uncertainty three times smaller than the current CODATA value.

引用

页数：5

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