Ionization of heavy ions in collisions with neutral atoms at relativistic energies |
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Authors: | S N Andreev I L Beigman I Yu Tolstikhina V P Shevelko G Baur T Stöhlker |
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Institution: | (1) Institut für Kernphysik, Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany;(2) GSI, Planckstrasse 1, D-64291 Darmstadt, Germany |
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Abstract: | Ionization processes of heavy ions colliding with atoms and ions at relativistic energies are considered. Formulaes for calculating ionization cross sections in the Born approximation using momentum-transfer representation without regard to magnetic interactions are given as well as those in dipole and impulse approximations. Using the LOSS-R 25] and HERION codes, calculations of relativistic cross sections are performed for H-like multiply changed ions with the nuclear charge Z ≈ 80?90, colliding with neutral atoms and for multiply changed uranium ions colliding with protons and carbon atoms. The results of calculations are compared with available experimental data and calculations performed by other authors. |
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