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Plastic plasma interaction with plasmas with growing atomic number |
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| Authors: | Andrzej Kasperczuk Tadeusz Pisarczyk Tomasz Chodukowski Zofia Kalinowska Sergey Gus’kov Nikolai Demchenko Jiri Ullschmied Eduard Krousky Miroslav Pfeifer Jiri Skala Daniel Klir Jozef Kravarik Pavel Kubes Jakub Cikhardt Karel Rezac Pawel Pisarczyk |
| Institution: | 1218. Institute of Plasma Physics and Laser Microfusion, 23 Hery St., 00-908, Warsaw, Poland 2218. P.N. Lebedev Physical Institute of RAS, 53 Leninsky Ave., 119 991, Moscow, Russia 3218. Institute of Plasma Physics ASCR, v.v.i., Za Slovankou 3, 182 00, Prague 8, Czech Republic 4218. Institute of Physics ASCR, v.v.i., Na Slovance 2, 182 21, Prague 8, Czech Republic 5218. Czech Technical University in Prague, FEE, Prague, Czech Republic 6218. Warsaw University of Technology, ICS, 15/19 Nowowiejska St., 00-665, Warsaw, Poland |
| Abstract: | This paper describes the investigation of the influence of target material atomic number (Z) on the laser-produced plasma pressure. For this reason, several target materials representing a wide range of atomic numbers (Z = 3.5 - 73), i.e. plastic (CH), Al, Cu, Ag, and Ta, were used. The results presented show that the plasma pressure decreases with growing atomic number but in a limited range of Z only. For higher Z, starting approximately from Z = 47 (Ag), the plasma pressure becomes constant, as confirmed by interferometric measurements and x-ray plasma imaging. |
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