Two-Photon Rotational Action Spectroscopy of Cold OH- at 1 ppb Accuracy

被引：60

作者：

Jusko, Pavol ^{[1
]}

Asvany, Oskar ^{[1
]}

Wallerstein, Ann-Christin ^{[1
]}

Bruenken, Sandra ^{[1
]}

Schlemmer, Stephan ^{[1
]}

机构：

[1] Univ Cologne, Inst Phys 1, D-50937 Cologne, Germany

来源：

PHYSICAL REVIEW LETTERS | 2014年 / 112卷 / 25期

关键词：

22-POLE ION-TRAP; INFRARED-SPECTRUM; TRANSITION-STATE; CLUSTER IONS; PHOTODETACHMENT; H3O;

D O I：

10.1103/PhysRevLett.112.253005

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The fundamental rotational transition J = 1 <- 0 of the anion OH- has been measured by cooling mass-selected OH- ions to 10 K in a 22-pole ion trap and applying a novel rotational-rovibrational two-photon scheme. A transition frequency of (1 123 101.0410 +/- 0.0014) MHz was obtained with so far unprecedented accuracy. The general application of the presented action-spectroscopy scheme to other anions and cations is discussed.

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页数：4

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