IONIZATION OF LI+ TO LI3+ BY ELECTRON IMPACT

被引：44

作者：

PEART, B

DOLDER, T

机构：

来源：

JOURNAL OF PHYSICS PART B ATOMIC AND MOLECULAR PHYSICS | 1969年 / 2卷 / 11期

关键词：

D O I：

10.1088/0022-3700/2/11/306

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The crossed-beam method for measuring electron impact ionization cross sections of ions has been developed so that very small cross sections (similar 10-21 cm2) can now be determined with an accuracy approaching ±10%. The reaction Li+ +e->Li3+ +3e has been investigated for incident electron energies between threshold (198 ev) and 2·5 kev. The cross section reached a maximum value of 1·04 × 10-20 cm2 and fell to 4·5 × 10 -21 cm2 at 2·5 kev. The results are discussed and compared with theoretical and experimental values for the double ionization of helium.

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页码：1169 / &

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