Zeeman relaxation of CaF in low-temperature collisions with helium

被引：62

作者：

Maussang, K ^{[1
]}

Egorov, D

Helton, JS

Nguyen, SV

Doyle, JM

机构：

[1] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA

[2] MIT, Dept Phys, Cambridge, MA 02139 USA

[3] Harvard MIT Ctr Ultracold Atoms, Cambridge, MA 02138 USA

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.94.123002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The collision-induced Zeeman relaxation rate for collisions of CaF X-2 Sigma(v '' = 0) with He-3 is measured to be Gamma(Z) = (7.7+5.4/-2.5) x 10(-15) cm(3)/s at 2 K. This rate is a direct measurement of the influence of spin-rotation coupling on Zeeman relaxation in the first rotational level of CaF. The relationship of this rate to known molecular constants is consistent with recent theory of cold molecular collisions and outlines the (2)Sigma molecules conducive to magnetic trapping.

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页码：1 / 4

页数：4

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