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Kinetic energy distribution of excited N atoms produced through dissociative photoionization excitation of N2using the fluorescence photon-photoion coincidence technique

Authors
Journal
Chemical Physics Letters
0009-2614
Publisher
Elsevier
Publication Date
Volume
145
Issue
5
Identifiers
DOI: 10.1016/0009-2614(88)80201-x
Disciplines
  • Physics

Abstract

Abstract We have measured the kinetic energy distribution of excited nitrogen atoms produced in the dissociative photoionization excitation of N 2 by He II 304 Å photons. A fluorescence photon-photoion coincidence technique has been utilized in the present study. We observed coincidence peaks in the 26–33 μs region suggesting that the initial kinetic energies of excited N photofragments cover the range of 0.0 to 2.58 eV. A large fraction, 0.89, of the excited N atoms produced has kinetic energy higher than 0.18 eV.

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