Energy dependence of the intramultiplet mixing cross section in Hg-N2 collisions: Conical intersection mechanism, indication at tunneling and interference

E. I. Dashevskaya, E. E. Nikitin, K. Ohmori, M. Okunishi, I. Oref, Y. Sato

研究成果: Article査読

抄録

Experimental results on the energy dependence of the cross section for the intramultiplet transitions in Hg atom induced by collisions with the rotationally cold nitrogen molecules, 3P1,v = 0→3P0,v = 1, v being the vibrational quantum number of N2 (M. Okunishi, J. Hashimoto, H. Chiba, K. Ohmori, K. Ueda and Y. Sato, J. Phys. Chem. A, 1999, 103, 1742.) are interpreted within rotationally sudden versions of the Landau-Zener and generalized Landau-Zener-Teller models. The broad threshold region of the cross section is ascribed to noticeable dependence of the avoided crossing seam energy on the collision angle between two conical intersection points (linear and T-shaped configurations) and to the tunneling/interference effects in the transition probability. The experimental energy dependence of the cross section is consistent with the anticipated values of the crossing-point energy at the optimal configuration.

本文言語English
ページ(範囲)1198-1204
ページ数7
ジャーナルPhysical Chemistry Chemical Physics
5
6
DOI
出版ステータスPublished - 2003 3 15

ASJC Scopus subject areas

  • 物理学および天文学(全般)
  • 物理化学および理論化学

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