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Database: Current Contents(tm) from ISI
Copyright 1992, 1995 Institute for Scientific Information, all rights reserved.
Author: WU-C-Y-R*
Title: FLUORESCENCE EXCITATION-FUNCTION OF NI 1200-ANGSTROM A AND
CROSS-SECTIONS FOR FLUORESCENCE PHOTON-PHOTOION COINCIDENCE
PRODUCED THROUGH PHOTOEXCITATION OF N2
Source: JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, vol. 99,
issue A5, (MAY 1, 1994) : pp. 8971-8979.
Abstract: The absolute fluorescence excitation function of the NI
1200-angstrom emission through photoexcitation of N2 has been
measured in the 250-620 angstrom region using synchrotron
radiation as the continuous tunable light source. The
dissociative photoionization excitation of N2 involving the
production of NI 1200-angstrom emission and N+ ion has also been
studied at several selected photon wavelengths shortward of 360
angstrom using a coincidence technique to detect the NI
1200-angstrom fluorescence photon and the N+ ion. The maximum
quantum yields for producing these processes are of the order of
6 x 10(-2). It was found that dissociative excitation processes
can be competitive with the dissociative ionization excitation
processes for the multiple-electron transition states. The
present results suggest that the electronic states of N2 in the
320-340 angstrom region consist of both ion states of N2+
(Langhoff et al., 1981) and neutral states of N2, which could be
the Rydberg states converging to N2++ (Sambe and Ramaker, 1986).
Authors Abstract: N
English Abstract: Y
Language: eng
Pub. Type: ARTICLE
References: 49
ISSN: 0148-0227
ISI Order #: NK217 (For ordering reprints from ISI) |
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