Thermalization times of positrons in molecular gases

被引：31

作者：

Al-Qaradawi, I ^{[1
]}

Charlton, M ^{[1
]}

Borozan, I ^{[1
]}

Whitehead, R ^{[1
]}

机构：

[1] UCL, Dept Phys & Astron, London WC1E 6BT, England

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2000年 / 33卷 / 14期

关键词：

D O I：

10.1088/0953-4075/33/14/309

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The time taken for positrons to reach thermal equilibrium in a number of simple molecular gasps has been estimated using the gas mixture technique devised by Paul and Leung (Paul D A L and Leung C Y Can. J. Phys. 46 2779-88), Times below 100 ps Amagat have been found for a number of species, suggesting their use as efficient coolers for rapid-cycle positron traps and accumulators.

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页码：2725 / 2732

页数：8

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