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X-ray study of microdroplet plasma formation under the action of superintense laser radiation |
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| Authors: | Y Fukuda K Yamakawa Y Akahane M Aoyama N Inoue H Ueda J Abdallah Jr G Csanak A Ya Faenov A I Magunov T A Pikuz I Yu Skobelev A S Boldarev V A Gasilov |
| Institution: | (1) Advanced Photon Research Center, Japan Atomic Energy Research Institute, 619-0215 Kyoto, Japan;(2) Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA;(3) Center for Data on Multicharged Ion Spectra, All-Russia Research Institute of Physicotechnical and Radioelectronic Measurements, Mendeleevo, Moscow region, 141570, Russia;(4) Institute of Mathematical Modeling, Russian Academy of Sciences, Moscow, 125047, Russia |
| Abstract: | We have measured the X-ray emission spectra of a plasma generated by laser radiation with an intensity above 1019W/cm2 and a pulse duration of 30 fs acting upon an argon jet target with a large abundance of micron-sized clusters. The time variation of the X-ray yield from ions of various multiplicities, calculated within the framework of a nonstationary kinetic model, shows a good qualitative agreement with the experimental time-integrated spectrum. |
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