COLLISIONAL EXCITATION TRANSFER BETWEEN LITHIUM ISOTOPES

被引：5
|
作者：
BRUST, J [1 ]
VEZA, D [1 ]
MOVRE, M [1 ]
NIEMAX, K [1 ]
机构：
[1] UNIV ZAGREB,INST PHYS,ZAGREB 41001,CROATIA
来源：
ZEITSCHRIFT FUR PHYSIK D-ATOMS MOLECULES AND CLUSTERS | 1995年 / 32卷 / 04期
关键词：
D O I：
10.1007/BF01437274
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
Excitation transfer between the 3S(1/2) states of the lithium isotopes Li-6 and Li-7 is measured in a thermionic diode. The 3S level is excited by off-resonant two-photon transitions with a single mode cw laser. The relative densities of the directly excited and collisionally populated levels are probed by further laser excitation to the 12P levels. An energy transfer cross section of 585 Angstrom(2) +/- 160 Angstrom(2) is found at the experimental temperature of about 850 K. A simple semiclassical calculation yields a cross section of 450 Angstrom(2).
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页码：305 / 309
页数：5
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