Abstract
Band systems of the astrophysically important molecules SiH and SiN have been excited by shock excitation of silane/N2 mixtures. Spectra were digitally recorded by use of an optical multichannel analyzer. They were analyzed by comparison with spectra produced by realistic numerical synthesis methods. Data for the SiH (A2Δ–X2Π) system will be presented. They include band-strengths and the variation of the electronic transition moment with wavelength and internuclear separation. This work has been supported by research grants from Natural Sciences and Engineering Research Council of Canada.
© 1993 Optical Society of America
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