Abstract

The spectrum of GeO was excited in a carbon arc and the relative band intensities were measured by using photographic photometry and were then interpreted in terms of Franck-Condon factors. It was found that the electronic transition moment varies as Re( r)=constant×(1-0.476 r-0.061 r 2), where 1.62⩽ r, Λ⩽1.82. Using this relation, smoothed band strengths, band-oscillator strengths and Einstein coefficients of the bands were calculated using expressions given by Penner. The effective vibrational temperature is estimated to be 1090 K. The average life times of the v′=0 and 1 vibrational levels have also been estimated.

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