Zeeman-Tuned Rotational Level-Crossing Spectroscopy in a Diatomic Free Radical

被引：40

作者：

Cahn, S. B. ^{[1
]}

Ammon, J. ^{[1
]}

Kirilov, E. ^{[1
]}

Gurevich, Y. V. ^{[1
]}

Murphree, D. ^{[1
]}

Paolino, R. ^{[2
]}

Rahmlow, D. A. ^{[1
]}

Kozlov, M. G. ^{[3
]}

DeMille, D. ^{[1
]}

机构：

[1] Yale Univ, Dept Phys, New Haven, CT 06520 USA

[2] US Coast Guard Acad, Dept Sci, New London, CT 06320 USA

[3] Petersburg Nucl Phys Inst, Gatchina 188300, Russia

来源：

PHYSICAL REVIEW LETTERS | 2014年 / 112卷 / 16期

基金：

美国国家科学基金会;

关键词：

PARITY NONCONSERVATION; HYPERFINE-STRUCTURE; BAF; MOLECULES; CONSTANTS; SPECTRUM; MOMENTS; DIPOLE;

D O I：

10.1103/PhysRevLett.112.163002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Rotational levels of molecular free radicals can be tuned to degeneracy by using laboratory-scale magnetic fields. Because of their intrinsically narrow width, these level crossings of opposite-parity states have been proposed for use in the study of parity-violating interactions and other applications. We experimentally study a typical manifestation of this system using (BaF)-Ba-138. Using a Stark-mixing method for detection, we demonstrate level-crossing signals with spectral width as small as 6 kHz. We use our data to verify the predicted line shapes, transition dipole moments, and Stark shifts and to precisely determine molecular magnetic g factors. Our results constitute an initial proof of concept for use of this system to study nuclear spin-dependent parity-violating effects.

引用

页数：5

共 29 条

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