Fast capillary discharge plasma as a preformed medium for longitudinally pumped collisional x-ray lasers
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Simulations of plasma dynamics in a fast capillary discharge are presented. The temporal dependence of the plasma column's resistance validates the one-dimensional model that was used in the numerical simulations. Numerical analysis of the laser absorption determines the pump parameter range for efficient excitation of longitudinally pumped transient collisional x-ray lasers.