Fully Differential Single Ionization Cross Sections of Helium by Relativistic Heavy-Ion Impact
We present three-dimensional images of fully differential cross sections for ionization of He by 1 GeV/amu U92+ impact. This collision system corresponds to a relatively large perturbation (projectile charge to velocity ratio η = 0.8) in spite of a relativistic projectile speed of 90% speed of light, representing a kinematic regime which so far is to a large extent still unexplored. Here, in spite of the large perturbation, higher-order contributions in the projectile-electron interaction are very small, but at the same time we find the projectile-residual target-ion interaction to be quite important.
M. Schulz et al., "Fully Differential Single Ionization Cross Sections of Helium by Relativistic Heavy-Ion Impact," Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Elsevier, Jan 2005.
The definitive version is available at http://dx.doi.org/10.1016/j.nimb.2005.03.227
Gesellschaft fur Schwerionenforschung
German Research Association. Leibniz-Programm
National Science Foundation (U.S.)
Keywords and Phrases
Angular Distribution; Relativistic Collisions; Single Ionization; Ions
Article - Journal
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