Analytical Model of Transversal Cooling and Heating of Channeled Ionsстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:A theoretical model is developed explaining the atomic-number dependence of the velocity at which a transition occurs from the heating of the transverse energy of multiply charged channeled ions to its cooling. The model is based on the previously proposed interpretation of the influence of ion charge exchange on the redistribution of the ion flux passed through a thin single crystal with an isotropic distribution of the incident beam. The transition from heating to cooling is explained by the change in the ratio of the average charge of channeled ions to the average charge of ions with random motion in the crystal. In particular, the absence of such a transition for light ions is explained.