High-resolution photoassociation spectroscopy of the 6Li2 A(11Σu+) state

被引：11

作者：

Gunton, Will ^{[1
]}

Semczuk, Mariusz ^{[1
]}

Dattani, Nikesh S. ^{[2
,3
]}

Madison, Kirk W. ^{[1
]}

机构：

[1] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V5Z 1M9, Canada

[2] Univ Oxford, Dept Chem, Oxford OX1 3QZ, England

[3] Kyoto Univ, Dept Chem, Kyoto 606, Japan

来源：

PHYSICAL REVIEW A | 2013年 / 88卷 / 06期

基金：

加拿大自然科学与工程研究理事会;

关键词：

BORN-OPPENHEIMER BREAKDOWN; HYPERFINE-STRUCTURE; MOLECULES; ATOMS; UNCERTAINTY; LI-7(2); SYSTEM; COLD; GAS;

D O I：

10.1103/PhysRevA.88.062510

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present spectroscopic measurements of seven vibrational levels nu = 29-35 of the A(1(1)Sigma(+)(u)) excited state of Li-2 molecules by the photoassociation of a degenerate Fermi gas of Li-6 atoms. The absolute uncertainty of our measurements is +/- 0.000 02 cm(-1) (+/- 600 kHz) and we use these new data to further refine an analytic potential for this state. This work provides high accuracy photoassociation resonance locations essential for the eventual high-resolution mapping of the X(1(1)Sigma(+)(g)) state enabling further improvements to the s-wave scattering length determination of Li and enabling the eventual creation of ultracold ground- state Li-6(2) molecules.

引用

页数：5

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