State-selective single-electron capture in very slow collisions between metastable N-2(2+) ions and neutral atoms and molecules

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Kamber E., AKGÜNGÖR K., Safvan C., Mathur D.

CHEMICAL PHYSICS LETTERS, vol.258, no.3-4, pp.336-341, 1996 (SCI-Expanded)

• Publication Type: Article / Article
• Volume: 258 Issue: 3-4
• Publication Date: 1996
• Doi Number: 10.1016/0009-2614(96)00687-2
• Journal Name: CHEMICAL PHYSICS LETTERS
• Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
• Page Numbers: pp.336-341
• Dokuz Eylül University Affiliated: No

Abstract

State-selective, non-dissociative electron capture processes by very slow nitrogen dications from atoms (He, Ne and Ar) and molecules (D-2, N-2 and O-2) has been studied experimentally at impact energies of 28 eV by means of ion translational energy spectrometry and theoretically by means of ab initio configuration interaction calculations of the potential energy curves involved in the electron capture process. Information is obtained on the principal quantal states involved in the incoming and outgoing channels; indications are obtained that the electron capture occurs primarily into electronically-excited states of N-2(+) and that the dynamics may involve non-Franck-Condon routes.