Fast-electron transport in cylindrically laser-compressed matter

Year: 2009

Authors: Perez F., Koenig M., Batani D., Baton S.D., Beg F.N., Benedetti C., Brambrink E., Chawla S., Dorchies F., Fourment C., Galimberti M., Gizzi LA., Heathcote R., Higginson D.P., Hulin S., Jafer R., Koester P., Labate L., Lancaster K., MacKinnon A.J., McPhee A.G., Nazarov W., Nicolai P., Pasley J., Ravasio A., Richetta M., Santos J. J., Sgattoni A., Spindloe C., Vauzour B., Volpe L.

Autors Affiliation: Lab Utilisat Lasers Intenses, Palaiseau, France;
Univ Milano Bicocca, Dipartimento Fis, Milan, Italy;
Univ Calif San Diego, San Diego, CA 92103 USA;
Univ Bologna, Dipartimento Fis, I-40126 Bologna, Italy;
Univ Bordeaux, CNRS, CEA, Ctr Lasers Intenses & Applicat, F-33405 Talence, France;
Rutherford Appleton Lab, Cent Laser Facil, Didcot OX11 0QX, Oxon England;
CNR, LIL IPCF, Pisa, Italy;
Lawrence Livermore Natl Lab, Livermore, CA USA;
Univ St Andrews, St Andrews KY16 9AJ, Fife Scotland;
Univ York, Dept Phys, York YO10 5DD, N Yorkshire England;
Univ Roma Tor Vergata, Dipartimento Ingn Meccan, I-00173 Rome, Italy

Abstract: Experimental and theoretical results of relativistic electron transport in cylindrically compressed matter are presented. This experiment, which is a part of the HiPER roadmap, was achieved on the VULCAN laser facility (UK) using four long pulses beams (similar to 4 x 50 J, 1 ns, at 0.53 mu m) to compress a hollow plastic cylinder filled with plastic foam of three different densities (0.1, 0.3 and 1 g cm(-3)). 2D simulations predict a density of 2-5 g cm(-3) and a plasma temperature up to 100 eV at maximum compression. Ashort pulse (10 ps, 160 J) beam generated fast electrons that propagate through the compressed matter by irradiating a nickel foil at an intensity of 5 x 10(18) W cm(-2). X-ray spectrometer and imagers were implemented in order to estimate the compressed plasma conditions and to infer the hot electron characteristics. Results are discussed and compared with simulations.


Volume: 51 (12)      Pages from: 124035  to: 124035

More Information: Proceedings Paper: 36th European-Physical-Society Conference on Plasma Physics, Sofia, BULGARIA, JUN 29-JUL 03, 2009
KeyWords: centered lagrangian scheme; flow problems;
DOI: 10.1088/0741-3335/51/12/124035

Citations: 29
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