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Analogy of meteorite impacts in laboratory conditions
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SYSNO ASEP 0359355 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Analogy of meteorite impacts in laboratory conditions Author(s) Desai, T. (IT)
Bussoli, M. (IT)
Dezulian, R. (IT)
Villa, A. (IT)
Krouský, Eduard (FZU-D) RID
Aliverdiev, A.A. (RU)
Kubkowska, M. (PL)
Wolowski, J. (PL)Source Title Physica Scripta. - : Institute of Physics Publishing - ISSN 0031-8949
T142, č. 1 (2010), s. 1-5Number of pages 5 s. Language eng - English Country SE - Sweden Keywords laser generated plasma ; craters ; astrophysics Subject RIV BH - Optics, Masers, Lasers R&D Projects LC528 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z10100523 - FZU-D (2005-2011) UT WOS 000285777700029 DOI 10.1088/0031-8949/2010/T142/014027 Annotation n this work, we report on the possibility of using laser-generated craters to investigate planetary events such as meteorite impact craters. Experiments using a 0.44 mu m/350 ps wavelength laser beam on aluminum foil targets are performed. We obtain simple and complex craters similar in contour to those formed due to meteorite impacts on the terrestrial surface. Our preliminary results show that the central peak of complex craters seems to be higher because of the turbulence beneath the crater floor. Results obtained using a two-dimensional radiation hydrodynamic code, MULTI, show that the laser ablation surface modifies and rises. This could be one of several factors explaining the central peak existence. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2012
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