Observation of ultracold ground-state potassium molecules

被引：183

作者：

Nikolov, AN ^{[1
]}

Eyler, EE ^{[1
]}

Wang, XT ^{[1
]}

Li, J ^{[1
]}

Wang, H ^{[1
]}

Stwalley, WC ^{[1
]}

Gould, PL ^{[1
]}

机构：

[1] Univ Connecticut, Dept Phys, Storrs, CT 06269 USA

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 04期

关键词：

D O I：

10.1103/PhysRevLett.82.703

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Ultracold potassium molecules are produced in the X (1)Sigma(g)(+) electronic ground state by photoassociation in a magneto-optical trap. They are detected sensitively and selectively by use of two-color resonant ionization, followed by time-of-flight mass spectroscopy. We observe deeply bound molecules with nu congruent to 36, at a temperature of about 300 mu K. Presently about 1000 molecules/sec are produced, and much higher production rates should be attainable in the future.

引用

页码：703 / 706

页数：4

共 26 条

[1] Laser cooling and trapping of neutral atoms [J].