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Mass spectrometric study of dissociative attachment in diatomic molecules:II. NO and O 2

Authors
Journal
International Journal of Mass Spectrometry and Ion Physics
0020-7381
Publisher
Elsevier
Publication Date
Volume
4
Issue
5
Identifiers
DOI: 10.1016/0020-7381(70)85051-3

Abstract

Abstract The dissociative attachment ( da) processes of O − ions in nitric oxide and oxygen are investigated using a 60° sector field mass spectrometer. In nitric oxide O − appears at (7.43±0.2) eV and analysis of the da curve indicates the probable existence of two other processes at 8.1 eV and 9.0 eV. In oxygen, only one process is observed at (3.45±0.3) eV. For both molecules an attempt is made, using a Morse function, to establish the shape and the relative positions of the potential energy curves for the electronic states of the transient negative molecular species involved.

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