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          Institute: MPI für Physik Komplexer Systeme     Collection: Atomic and molecular structure     Display Documents



ID: 478570.0, MPI für Physik Komplexer Systeme / Atomic and molecular structure
Simultaneous charge polarization and fragmentation of N2 molecules in slow keV collisions with Kr8+ ions
Authors:Ehrich, M.; Werner, U.; Lutz, H. O.; Kaneyasu, T.; Ishii, K.; Okuno, K.; Saalmann, U.
Language:English
Date of Publication (YYYY-MM-DD):2002-03
Title of Journal:Physical Review A
Journal Abbrev.:Phys. Rev. A
Volume:65
Issue / Number:3
Sequence Number of Article:030702
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:Coulomb fragmentation processes in collisions of Kr8+ ions with nitrogen molecules were studied at projectile energies between 19 and 171 eV/u. At low impact energies (less than or similar to50 eV/u) and small impact parameters, the electron distribution of the fragmenting molecular N-2(q+) ion becomes strongly polarized. This is due to the presence of the slow highly charged projectile during the fragmentation process. Microscopic calculations simultaneously incorporating electron transfer and molecular dissociation give insight into the dynamics of this newly found polarization effect.
External Publication Status:published
Document Type:Article
Communicated by:Heidrun Näther
Affiliations:MPI für Physik Komplexer Systeme/Finite Systems
External Affiliations:Univ Bielefeld, Fak Phys, D-33501 Bielefeld, Germany; Univ Bielefeld, Fak Phys, D-33501 Bielefeld, Germany; Tokyo Metropolitan Univ, Dept Phys, Tokyo 1920397, Japan; Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany
Identifiers:ISI:000174548500007
ISSN:1050-2947
URL:http://ojps.aip.org/getabs/servlet/GetabsServlet?p...
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