Laser acceleration of light impurity from an ultrathin foil of complex ionic composition |
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| Authors: | I A Andriyash and V Yu Bychenkov |
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| Institution: | (1) Department of Chemical Engineering, University of Vigo, Vigo, Spain;(2) Department of Food and Analytical Chemistry, University of Vigo, Vigo, Spain; |
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| Abstract: | The model of acceleration of light impurity particles from a planar ultrathin foil of complex ionic composition under an ultrashort
high-power high-contrast laser pulse is proposed. Both the mode of pure Coulomb acceleration of ions, characteristic of extremely
high electron energies, and acceleration under conditions of spatial charge separation controlled by a finite characteristic
electron temperature are studied. Accurate and approximate analytical approaches for describing impurity particle acceleration
are formulated. Spatial and spectral characteristics of accelerated particles are determined. Particle dynamics is studied
in both the approximation of test impurity particles and taking into account their intrinsic electrostatic field, depending
on the relative charge density of light particles. |
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| Keywords: | |
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