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          Institute: MPI für Kernphysik     Collection: Physics of Quantum Dynamics in Atomic Fragmentation     Display Documents

ID: 441487.0, MPI für Kernphysik / Physics of Quantum Dynamics in Atomic Fragmentation
Electron Transfer Processes to Continuum in Near-Relativistic Ion-Atom Collisions
Authors:Hagmann, S.; Stöhlker, T.; Surzhykov, A.; Fritzsche, S.; Jakubassa-Amundsen, D.; Najjari, B.; Voitkiv, A.; Kozhuharov, C.; Ullrich, J.; Moshammer, R.; Nofal, M.; Gumberidze, A.; Spillmann, U.; Reuschl, R.; Heß, S.; Trotsenko, S.; Bosch, F.; Liesen, D.; Dörner, R.; Rothard, H.; Lanzanó, G.; de Filippo, E.
Publisher:American Institute of Physics
Place of Publication:Melville, NY
Date of Publication (YYYY-MM-DD):2009-03-10
Title of Proceedings:Application of accelerators in research and industry : Twentieth International Conference
Start Page:121
End Page:124
Title of Series:AIP Conference Proceedings
Volume (in Series):1099
Name of Conference/Meeting:Application of accelerators in research and industry : Twentieth International Conference
Place of Conference/Meeting:Fort Worth, Texas
(Start) Date of Conference/Meeting
End Date of Conference/Meeting 
Copyright:© 2009 American Institute of Physics
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:Theories for electron transfer to the continuum have encountered considerable difficulties to take into account the intrinsic many-electron processes in the capture channel. This may partially be attributed to large momentum transfers involved and thus collision systems are mostly not in the realm of first order perturbation theories. For this reason we have studied collision systems where simultaneously distinct competing electron transfer processes are found to be active, like radiative (RECC) and non-radiative electron capture to continuum (ECC) in the relativistic domain where one or two even active electrons are involved; here another, though distinct, transfer process, the projectile electron loss to continuum (ELC), permits additionally to study the dynamics of ionization very close to threshold. We have studied these electron transfer processes simultaneously in forward electron emission in two systems of different projectile Compton profile, U88++N2 and Sn47++N2 collisions using the forward electron spectrometer at the supersonic jet-target of the ESR storage ring. We report first results and compare with theory.
External Publication Status:published
Document Type:Conference-Paper
Affiliations:MPI für Kernphysik/Group of J. Ullrich/Strong-Fields Physics (R. Moshammer)
External Affiliations:Institut für Kernphysik, Univ. Frankfurt
GSI, Darmstadt
Physik Institut, Univ. Heidelberg
Mathemat. Inst., LMU-München
CIRIL-Ganil, Caen, France
INFN, Catania, Italy
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