Повышение эффективности генерации многозарядных ионов высоких энергий при взаимодействии фемтосекундных релятивистских лазерных импульсов со смешанными кластерами KrXe
Т.А. Семенов, И.М. Мордвинцев, С.А. Шуляпов, Д.А. Горлова, Андрей Викторович Лазарев, К. А. Иванов, М.С. Джиджоев, А. Б. Савельев, В.М. Гордиенко
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Abstract
A new approach is proposed to the production of high-energy ions from a cluster jet irradiated with relativistic (5×10^18 W/cm2) femtosecond laser pulses, based on the formation of mixed clusters with an Xe core surrounded by a Kr shell. The appearance of distinguished charge states of accelerated ions was registered: instead of low-charge Kr2+, Kr3+, Kr4+, Kr5+ for pure Kr clusters, there are three components Kr8+, Kr14+, Kr20+ for mixed KrXe clusters. The energy range of detected ions expands significantly: from 1–6 MeV for Kr clusters to 2–16 MeV for KrXe clusters.
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