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Collapsing Bubble in Metal for High Energy Density Physics Study [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 2011.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
PDF-file: 25 pages; size: 0.9 Mbytes
Additional Creators
Lawrence Berkeley National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
This paper presents a new idea to produce matter in the high energy density physics (HEDP) regime in the laboratory using an intense ion beam. A gas bubble created inside a solid metal may collapse by driving it with an intense ion beam. The melted metal will compress the gas bubble and supply extra energy to it. Simulations show that the spherical implosion ratio can be about 5 and at the stagnation point, the maximum density, temperature and pressure inside the gas bubble can go up to nearly 2 times solid density, 10 eV and a few megabar (Mbar) respectively. The proposed experiment is the first to permit access into the Mbar regime with existing or near-term ion facilities, and opens up possibilities for new physics gained through careful comparisons of simulations with measurements of quantities like stagnation radius, peak temperature and peak pressure at the metal wall.
Report Numbers
E 1.99:llnl-jrnl-480269
llnl-jrnl-480269
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
04/13/2011.
"llnl-jrnl-480269"
High Energy Density Physics, vol. 7, no. 3, September 1, 2011, pp. 203-215 7 3 FT
Yu, S S; Barnard, J J; Ng, S F; Leung, P T.
Funding Information
W-7405-ENG-48
View MARC record | catkey: 14737497