Distributions of ions in a cluster plasma created by a laser pulse |
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Authors: | A A Katasonov M B Smirnov |
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Institution: | (1) Moscow Institute of Physics and Technology, Dolgoprudnyi, Moscow oblast, 141700, Russia;(2) Russian Research Centre “Kurchatov Institute”, Moscow, 123182, Russia |
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Abstract: | Energy and charge distributions of ions are calculated for a cluster beam irradiated by a high-power ultrashort laser pulse. It is shown that the self-consistent field of a cluster ionized by the laser beam strongly affects the characteristics of the ion distributions obtained after the cluster explodes. The mean concentration of atoms bound into clusters in a beam, the cluster size distribution, and the focal-spot diameter are found to have a weak effect on both energy and charge distributions of the ions, whereas the energy spectrum of the produced ions is determined by the mean cluster size. |
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