Direct measurement of the ground-state dissociation energy of Na-2

被引：86

作者：

Jones, KM

Maleki, S

Bize, S

Lett, PD

Williams, CJ

Richling, H

Knockel, H

Tiemann, E

Wang, H

Gould, PL

Stwalley, WC

机构：

[1] UNIV HANNOVER, INST ATOM & MOL PHYS, D-30167 HANNOVER, GERMANY

[2] UNIV CONNECTICUT, DEPT PHYS, STORRS, CT 06269 USA

[3] WILLIAMS COLL, DEPT PHYS, WILLIAMSTOWN, MA 01267 USA

[4] ECOLE NORMALE SUPER, F-75231 PARIS 05, FRANCE

[5] UNIV CHICAGO, JAMES FRANCK INST, CHICAGO, IL 60637 USA

来源：

PHYSICAL REVIEW A | 1996年 / 54卷 / 02期

关键词：

D O I：

10.1103/PhysRevA.54.R1006

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report a direct measurement of the Na-2 X(1) Sigma(g)(+) ground-state dissociation energy. Three spectroscopic measurements are combined to directly yield the energy of the lowest (upsilon=O) vibrational level relative to the free-atom limit. The X(1) Sigma(g)(+) (upsilon=0-->31) splitting is measured by double-resonance spectroscopy; X(1) Sigma(g)(+)(upsilon=31)-->A(1) Sigma(u)(+)(upsilon'=165) by laser-induced fluorescence; and free atoms-->A1 Sigma(u)(+)(upsilon'=165) by photoassociation of ultracold atoms. The result is D-0=5942.6880(49) cm(-1). The uncertainty is a factor of 6 improvement over a previous (indirect) determination.

引用

收藏

页码：R1006 / R1009

页数：4

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