single electron capture in slow collisions of doubly charged ions with dinuclear molecules单电子俘获在缓慢的双离子碰撞双核的分子.pdf

Int. J. Mol. Sci. 2002, 3, 209-219 International Journal of Molecular Sciences ISSN 1422-0067 © 2002 by MDPI /ijms/ Single Electron Capture in Slow Collisions of Doubly Charged Ions with Dinuclear Molecules 1 2 Mihaela Albu , Libor Mrazek , Friedrich Aumayr and Hannspeter Winter Institut für Allgemeine Physik, Vienna University of Technology Wiedner Hauptstrasse 8-10, A-1040 Wien, Austria. Tel.: 0043 1 58801 13401, Fax: 0043 1 58801 13499. E-mail winter@iap.tuwien.ac.at, URL: http://www.iap.tuwien.ac.at 1 Permanent address: National Institute for Physics and Nuclear Engineering Horia Holubei, RO- 76900 Bucharest-Magurele, Romania 2 Postdoctoral fellow from J. Heyrovsky Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, CZ-18223 Praha, Czech Republic. Received: 11 January 2002 / Accepted: 30 January 2002 / Published: 28 March 2002 Abstract: We have performed translational-spectroscopical measurements on single electron capture (SEC) by impact of slow (impact energy ≤ 1 keV) doubly charged ions on dinuclear molecules. For impact of C2+ and N2+ ions the influence of their metastable fractions on the SEC probability has been studied. For impact of 4He2+ on O and CO direct 2 and dissociative SEC have been investigated. For all collision systems studied the principal SEC