Anomalous vibrational excitation of O2in collisions with protons at 10 eV when compared with N2, CO and NO
- 28 February 1981
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 14 (4) , 667-677
- https://doi.org/10.1088/0022-3700/14/4/015
Abstract
Structured time-of-flight spectra of protons scattered from O2 have been measured at scattering angles 5 degrees cmcm=9.5 eV. A comparison with similar measurements for N2, CO and NO reveals a factor of three greater vibrational energy transfer and roughly a factor of two less rotational energy transfer. On the basis of molecular orbitals an explanation involving a charge transfer mechanism is presented for the enhancement of vibrational excitation in O2.Keywords
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