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2003 Volume 20 Issue 6
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WU Jian-Hua(吴建华), YUAN Jian-Min(袁建民). 2003: Low-Lying Resonance States of Slow Electron Collisions With Atomic Oxygen, Chinese Physics Letters, 20(6): 841-844.
Citation: WU Jian-Hua(吴建华), YUAN Jian-Min(袁建民). 2003: Low-Lying Resonance States of Slow Electron Collisions With Atomic Oxygen, Chinese Physics Letters, 20(6): 841-844.
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Low-Lying Resonance States of Slow Electron Collisions With Atomic Oxygen

  • Department of Applied Physics, National University of Defense Technology, Changsha 410073

  • Available Online: 30/06/2003
  • Fund Project: the National Science Fund for Distinguished Young Scholars under Grant No 10025416, the National Natural Science Foundation of China under Grant No 19974075, the National High-Tech ICF Committee in China, and China Research Association of Ato
  • A 39-target state close-coupling calculation of low-energy electron scattering from atomic oxygen is carried out with core-valence electron correlation by using R-matrix method. It is shown that the elastic cross section has a huge and sharp increase with the electron energy going down below 1eV. This remarkable structure is attributed to a few very low-lying potential resonances and the features of these resonances are given with partial cross sections. It is also shown that after considering excitations of two electrons from 2s shell, the three lowest atomic energy levels are in agreement with experimental results better than that just considering excitations of two electrons from the 2p shell as well as only one electron from the 2s shell. Elastic and two excitation (3P → 1 D and 3p → 1S) cross sections are given and compared with the other theoretical and experimental results.
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Low-Lying Resonance States of Slow Electron Collisions With Atomic Oxygen

  • Available Online: 30/06/2003

Abstract: A 39-target state close-coupling calculation of low-energy electron scattering from atomic oxygen is carried out with core-valence electron correlation by using R-matrix method. It is shown that the elastic cross section has a huge and sharp increase with the electron energy going down below 1eV. This remarkable structure is attributed to a few very low-lying potential resonances and the features of these resonances are given with partial cross sections. It is also shown that after considering excitations of two electrons from 2s shell, the three lowest atomic energy levels are in agreement with experimental results better than that just considering excitations of two electrons from the 2p shell as well as only one electron from the 2s shell. Elastic and two excitation (3P → 1 D and 3p → 1S) cross sections are given and compared with the other theoretical and experimental results.

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