Studies on vibrational excitation differential cross-sections of
low-energy electron scattering from N2 molecule |
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| Authors: | W Dai W G Sun H Feng L Shen |
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| Institution: | (1) Institute of Atomic and Molecular Physics, Sichuan University, Chengdu, 610065, P.R. China;(2) College of Physics, Sichuan University, Chengdu, 610065, P.R. China |
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| Abstract: | The vibrational excitation differential cross-sections
(DCS) of low-energy electron-N2
scattering are studied using vibrational close-coupling (VCC) method and
vibrational scattering potentials which include static, exchange and
polarization contributions. By including the contributions of 18 partial
waves, 20 vibrational states, and 16 molecular symmetries (up to Λ=7), the converged vibrational excitation (0↦2, 0↦3, 0↦4)
DCS agree well with experimental results. Also obtained are converged
vibrational (1↦0, 1↦1, 1↦2, 1↦3) DCS, with the impact
energies being those of the main resonant peaks (1.92 eV, 1.90 eV, 1.62 eV,
1.63 eV). |
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| Keywords: | 34 80 Bm Elastic scattering of electrons by atoms and molecules |
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