Low velocity experiments for collision energy dependence of partial ionization cross-sections of C 2H 2 with He*(2 3S) metastable atoms

Takuya Horio, Takuro Hatamoto, Naoki Kishimoto, Koichi Ohno

研究成果: ジャーナルへの寄稿学術誌査読

7 被引用数 (Scopus)

抄録

Collision energy dependence of partial ionization cross-sections of C 2H 2 by collision with He*(2 3S) metastable atoms in low collision energy regions (20-50 meV) was first observed using a liquid N 2 cooled discharge nozzle source. Negative collision energy dependence was found for ionizations from σ CH molecular orbitals, while positive collision energy dependence has been obtained in higher collision energy region of 100-360 meV. These results can be explained by the anisotropic interaction of the present system, and especially the low collision energy feature should indicate that a shallow attractive well exists around hydrogen atom.

本文言語英語
ページ(範囲)242-246
ページ数5
ジャーナルChemical Physics Letters
397
1-3
DOI
出版ステータス出版済み - 10月 11 2004
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 物理学および天文学一般
  • 物理化学および理論化学

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