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SPIN AND VIBRONIC COUPLING IN EXCITED ELECTRONIC STATES OF $NO_{2} \Sigma$

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/16233

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Title: SPIN AND VIBRONIC COUPLING IN EXCITED ELECTRONIC STATES OF $NO_{2} \Sigma$
Creators: Hardwick, J. L.; Chan, W. H.; Ser, K. E.; Brand, J. C. D.
Issue Date: 1974
Abstract: vibronic states of the $^{2}B_{1}$ electronic state of $NO_{2}$ display little Zeeman effect when observed under a variety of magnetic fields up to 8 kiloGauss, $\Sigma$ vibronic states of the nearby $B_{2}$ electronic state, on the other hand, suffer severe displacement and broadening at a field of 5 kG. In some instances, this displacement has facilitated assignment of rotational quantum numbers. $N_{18}O_{2}$, when excited at 5145 {\AA} by an Argon laser, fluoresces to ground state levels which are vibrationally excited in multiple quanta of $v_{1}$ and $V_{2}$ as well as the $v_{3}$ fundamental vibration. Normal and $^{15}$N-enriched $NO_{2}$ exhibit fluorescence obeying the selection rules $\Delta K = 0, \pm 2$. The interpretation of this behavior in terms of spin and vibronic coupling will discussed.
URI: http://hdl.handle.net/1811/16233
Other Identifiers: 1974-FB-7
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