Stopping power and atomic process in plasmas

来源 :The 20th International Symposium on Heavy Ion Inertial Fusio | 被引量 : 0次 | 上传用户:cr_idealism
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The plasmas are usually in partially ionized states for most experiments of the stopping power for ions in plasmas.As far as we know,the first relevant experiment was done more than 30 years ago [1],where the stopping of 1MeV deuterons in warm Al plasmas was measured and found enhanced compared with the cold targets.The related theoretical investigation was started about 36 years ago [2] for fast protons in hot Au target.After that some phenomenal models [3] were suggested to estimate the stopping power for energetic ions in intermediate or high-Z plasmas.In recent time a model [4] was developed by us to study the problem based on the average atomic model [5],where some bound electrons may distribute at excited states in hot plasmas so that the excitation and ionization as well as their reverse processes have contribution to the inelastic stopping.
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