Charge transfer in cluster-atom collisions

被引:31
作者
Knospe, O
Jellinek, J
Saalmann, U
Schmidt, R
机构
[1] Argonne Natl Lab, Div Chem, Argonne, IL 60439 USA
[2] Tech Univ Dresden, Inst Theoret Phys, D-01062 Dresden, Germany
[3] Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany
关键词
D O I
10.1007/s100530050221
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Charge transfer in collisions Na-n(+) + Cs --> Na-n + Cs+ (4 less than or equal to n less than or equal to 11) is investigated theoretically within a microscopic framework. It is shown that an understanding of the measured charge transfer cross-sections can be obtained only if the competing reaction channels (electronic excitations and fragmentation) are treated simultaneously and, in addition, if the initial temperature of the clusters in the beam is taken into account. The energy dependence of the cross-sections is predicted. An exotic charge transfer channel producing Cs- is found to have a finite probability.
引用
收藏
页码:1 / 4
页数:4
相关论文
共 28 条
[1]   NEUTRALIZATION OF MASS-SEPARATED LEAD-CLUSTER IONS IN SODIUM VAPOR [J].
ABSHAGEN, M ;
KOWALSKI, J ;
MEYBERG, M ;
PUTLITZ, GZ ;
SLABY, J ;
TRAGER, F .
CHEMICAL PHYSICS LETTERS, 1990, 174 (05) :455-460
[2]   INTERACTION OF SLOW HIGHLY-CHARGED IONS WITH ATOMS, CLUSTERS AND SOLIDS - A UNIFIED CLASSICAL BARRIER APPROACH [J].
BARANY, A ;
SETTERLIND, CJ .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1995, 98 (1-4) :184-186
[3]   PRODUCTION OF MASS-SELECTED NEUTRAL CLUSTERS OF RUBIDIUM [J].
BHASKAR, ND ;
FRUEHOLZ, RP ;
KLIMCAK, CM ;
COOK, RA .
CHEMICAL PHYSICS LETTERS, 1989, 154 (03) :175-180
[4]   ON THE CLUSTER-SIZE DEPENDENCE OF ELECTRON-CAPTURE CROSS-SECTIONS IN ION-CLUSTER COLLISIONS [J].
BORVE, KJ ;
HANSEN, JP .
ZEITSCHRIFT FUR PHYSIK D-ATOMS MOLECULES AND CLUSTERS, 1993, 25 (03) :247-251
[5]  
Bransden B.H., 1992, Charge Exchange and the Theory of Ion-Atom Collisions
[6]   CHARGE-EXCHANGE IN ALKALI CLUSTER COLLISIONS [J].
BRECHIGNAC, C ;
CAHUZAC, P ;
CARLIER, F ;
LEYGNIER, J ;
HERTEL, IV .
ZEITSCHRIFT FUR PHYSIK D-ATOMS MOLECULES AND CLUSTERS, 1990, 17 (01) :61-67
[7]   DIRECT OBSERVATION OF CHARGE-EXCHANGE COLLISIONS BETWEEN MASS-SELECTED NAN+ CLUSTERS AND CS ATOMS [J].
BRECHIGNAC, C ;
CAHUZAC, P ;
LEYGNIER, J ;
PFLAUM, R ;
WEINER, J .
PHYSICAL REVIEW LETTERS, 1988, 61 (03) :314-317
[8]   Analysis of collision induced dissociation of Na-2(+) molecular ions [J].
Brenot, JC ;
Dunet, H ;
Fayeton, JA ;
Barat, M ;
Winter, M .
PHYSICAL REVIEW LETTERS, 1996, 77 (07) :1246-1249
[9]   IONIZATION AND FRAGMENTATION OF METALLIC CLUSTERS (NA-N) INDUCED BY ION IMPACT [J].
CHANDEZON, F ;
GUET, C ;
HUBER, BA ;
JALABERT, D ;
MAUREL, M ;
MONNAND, E ;
RISTORI, C ;
ROCCO, JC .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1995, 98 (1-4) :482-487
[10]   TEMPERATURE-DEPENDENCE OF THE OPTICAL-RESPONSE OF SMALL, OPEN-SHELL SODIUM CLUSTERS [J].
ELLERT, C ;
SCHMIDT, M ;
SCHMITT, C ;
REINERS, T ;
HABERLAND, H .
PHYSICAL REVIEW LETTERS, 1995, 75 (09) :1731-1734