PRODUCTION OF EXCITED HYDROGEN ATOMS BY IMPACT OF FAST ELECTRONS ON WATER VAPOR

被引:53
作者
VROOM, DA
DEHEER, FJ
机构
[1] F.O.M. -, Instituut voor Atoom- en Molecuulfysica Kruislaan 407, Amslerdam
[2] National Research Council of Canada, Gulf General Atomic, Inc., San Diego, CA
关键词
D O I
10.1063/1.1671284
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Lyman-α and Balmer-α, β, γ, and δ radiation has been observed resulting from dissociative excitation of water vapor by fast electrons. Absolute cross sections for emission of this radiation are reported in the electron energy range from 50-6000 eV. The results are analyzed by means of the Bethe approximation. Of all the relevant dissociative states of the molecule formed during the collision process, those which are populated by optically allowed transitions predominate. The relatively large cross sections for dissociative excitation producing excited hydrogen atoms may indicate the importance of such species in the radiolysis of water.
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页码:1883 / +
页数:1
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