Triplet s-wave resonance in Li-6 collisions and scattering lengths of Li-6 and Li-7

被引：187
|
作者：
Abraham, ERI
McAlexander, WI
Gerton, JM
Hulet, RG
Cote, R
Dalgarno, A
机构：
[1] RICE UNIV, RICE QUANTUM INST, HOUSTON, TX 77251 USA
[2] HARVARD SMITHSONIAN CTR ASTROPHYS, CAMBRIDGE, MA 02138 USA
来源：
PHYSICAL REVIEW A | 1997年 / 55卷 / 05期
关键词：
D O I：
10.1103/PhysRevA.55.R3299
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The triplet s-wave scattering length of Li-6 is determined using two-photon photoassociative spectroscopy of the diatomic a (3) Sigma(u)(+) State of Li-6(2). The measured binding energy of the highest-lying bound state, combined with knowledge of the potential, determines the s-wave scattering length to be (-2160+/-250)a(0), where a(0) is the Bohr radius. This extraordinarily large scattering length signifies a near-threshold resonance. A complete table of singlet and tripler scattering lengths for collisions involving Li-6 and Li-7 determined from this and our previous spectroscopic investigations is given.
引用
收藏
页码：R3299 / R3302
页数：4
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