Production of ground state OH following electron impact on H2O

被引：61

作者：

Harb, T ^{[1
]}

Kedzierski, W ^{[1
]}

McConkey, JW ^{[1
]}

机构：

[1] Univ Windsor, Dept Phys, Windsor, ON N9B 3P4, Canada

来源：

JOURNAL OF CHEMICAL PHYSICS | 2001年 / 115卷 / 12期

关键词：

D O I：

10.1063/1.1397327

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：

Laser-induced fluorescence (LIF) measurements of OH(X (2)Pi) production following electron impact on water have been carried out over an energy range from threshold to 300 eV. Data have been made absolute using existing measurements of OH(X) production via dissociative attachment. The cross section reaches a maximum value of 2.1 X 10(-16) cm(2) at an energy of 75 eV. Dipole-allowed processes are shown to dominate the production of OH(X) particularly via the A(B-1(1)) repulsive state, though significant population of higher rotational levels is demonstrated, indicating the relevance of other channels as in photodissociation. (C) 2001 American Institute of Physics.

引用

页码：5507 / 5512

页数：6

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