In this work, collision processes between C6+, O8+ and Si13+ ions and H2O molecules that lead to target ionization are studied by means of the classical trajectory Monte Carlo method. We employ an 8-electron model in which the H2O electron densities and energies dynamically adapt during ionization processes to those corresponding to the H2Oq+ ions by assuming vertical transitions between the different molecular ionic states. Net total ionization cross sections and single differential cross sections in energy and angle are shown for 4 MeV/u projectiles and compared to available experimental data and theoretical predictions from distorted wave models.
N. Bachi et al., "The Role of Multiple Electron Processes for Fast Ion H₂O Collisions," AIP Conference Proceedings, vol. 2160, American Institute of Physics (AIP), Aug 2018.
The definitive version is available at https://doi.org/10.1063/1.5127729
25th International Conference on the Application of Accelerators in Research and Industry, CAARI 2018 (2018: Aug. 12-17, Grapevine, TX)
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01 Aug 2018