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X-ray spectroscopic diagnostics of ultrashort laser-cluster interaction at the stage of the nonadiabatic scattering of clusters |
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| Authors: | A. Ya. Faenov A. I. Magunov T. A. Pikuz I. Yu. Skobelev D. Giulietti S. Betti M. Galimberti A. Gamucci A. Giulietti L. A. Gizzi L. Labate T. Levato P. Tomassini J. R. Marques N. Bourgeois S. Dobosz-Dufrenoy T. Ceccotti P. Monot F. Reau H. Popescu P. D’Oliveira Ph. Martin Y. Fukuda A. S. Boldarev S. V. Gasilov V. A. Gasilov |
| Affiliation: | (1) Joint Institute of High Temperatures, Russian Academy of Sciences, Izhorskaya ul. 13/19, Moscow, 127412, Russia;(2) General Physics Institute, Russian Academy of Sciences, ul. Vavilova 38, Moscow, 117942, Russia;(3) Laboratory of Superintense Laser Radiation, Pisa Division, National Research Center, 56124 Pisa, Italy;(4) Faculty of Physics, Pisa University, Pisa, Italy;(5) Pisa Division, National Institute of Nuclear Physics, Pisa, Italy;(6) Frascati National Laboratory, National Institute of Nuclear Physics, Roma, Italy;(7) Laboratory of the Use of Intense Lasers, Polytechnic School, 91128 Paleso, France;(8) High Intensity Physics Group, Saclay Laboratory, 91191, France;(9) Kansai Photon Science Institute, Japan Atomic Energy Agency, 619-0215 Kyoto, Japan;(10) Institute of Mathematical Modeling, Russian Academy of Sciences, Moscow, 125047, Russia |
| Abstract: | X-ray spectroscopic diagnostics of laser-cluster interaction at the stage of nonadiabatic scattering of clusters and formation of a spatially uniform plasma channel has been performed. The experimental investigations have been carried out on a Ti:Sa laser setup with a pulse duration of about 65 fs and an energy up to 600 mJ. It has been shown that, within 10 ps from the beginning of a laser femtosecond pulse, the laser-cluster interaction forms a uniform plasma channel with a length of 0.4 to 1 mm with the parameters N e ～ 1019?1020 cm?3 and T e ～ 100 eV. |
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