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Sequential over-barrier ionization of multi-electron atoms in the tens-to-hundreds keV/u energy range |
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| Authors: | Zou Xian-Rong Liu Lan-Diao Ji Ming-Chao Feng Dong Chen Xi-Meng and Shao Jian-Xiong |
| Institution: | School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China |
| Abstract: | Our previous work on the classical over-barrier ionization model for helium double ionization is extended to the complex multi-electron system of Ne. The total and q-fold ionization cross sections are calculated at energies ranging from a few tens to several hundred keV/u. The calculation results are in good agreement with the experimental data, and the energy dependence of the cross sections suggests that the multi-ionization of a strong perturbated complex atom is probably the sequential over-barrier ionization process. |
| Keywords: | multi-electron system multi-ionization over-barrier ionization |
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