期刊
PHYSICAL REVIEW A
卷 79, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.79.032705
关键词
electron impact excitation; ground states; molecule-electron collisions; nitrogen; ultraviolet spectra; vibrational states
资金
- California State University, Fullerton
- Jet Propulsion Laboratory, California Institute of Technology
- National Aeronautics and Space Administration (NASA)
- National Science Foundation [NSF-PHY-RUI-0653452]
- NASA's Outer Planets and Planetary Atmospheres Research programs
Vibrationally resolved differential cross sections (DCSs) for electron impact from the X (1)Sigma(+)(g)(v(')=0) ground-state level in N-2 are presented for excitation of the C (3)Pi(u)(v(')) state, where v(')=0, 1, 2, 3, and 4. DCSs for the full C (3)Pi(u)(v(')) state, where v(')=0-4, are also presented. The vibrationally resolved DCSs were obtained from energy-loss spectra in the region of 10.75 to 12.75 eV measured at incident energies of 13, 15, 17.5, 20, 25, 30, 50, and 100 eV and for scattering angles ranging from 5 degrees to 130 degrees. Relative excitation probabilities for the vibrational levels of the C (3)Pi(u) state are shown to demonstrate non-Franck-Condon behavior for excitation energies less than approximately 50 eV. These results are compared with existing measurements.
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