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Doublet→quartet and doublet→doublet electronic transitions in NO2 by electron impact

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The electron-impact energy-loss spectrum of nitrogen dioxide (NO2) has been measured at impact energies of 25, 50, and 75 eV, and scattering angles varying from 5° to 80°. A previously unreported spin-forbidden doublet→quartet transition was observed at 4.49 eV, in excellent agreement with theoretical calculations. Doublet→doublet transitions were observed at 2.95, 5.81, 7.48, 8.64, 9.69, 10.52, 10.68, 10.94, and 11.20 eV, in agreement with previous experimental and theoretical work. In addition, numerous doublet→doublet transitions to superexcited states were observed.
Title: Doublet→quartet and doublet→doublet electronic transitions in NO2 by electron impact
Description:
The electron-impact energy-loss spectrum of nitrogen dioxide (NO2) has been measured at impact energies of 25, 50, and 75 eV, and scattering angles varying from 5° to 80°.
A previously unreported spin-forbidden doublet→quartet transition was observed at 4.
49 eV, in excellent agreement with theoretical calculations.
Doublet→doublet transitions were observed at 2.
95, 5.
81, 7.
48, 8.
64, 9.
69, 10.
52, 10.
68, 10.
94, and 11.
20 eV, in agreement with previous experimental and theoretical work.
In addition, numerous doublet→doublet transitions to superexcited states were observed.

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