Proton Radiography and Fast Electron Propogation Through Cyliderically Compressed Targets (Articolo in rivista)

Type
Label
  • Proton Radiography and Fast Electron Propogation Through Cyliderically Compressed Targets (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Alternative label
  • Jafer R., Volpe L., Batani D., Koenig M., Baton S., Brambrink E., Perez F., Dorchies F., Santos J. J., Fourment C., Hulin S., Nicolai P., Vauzour B., Lancaster K., Galimberti M., Heathcote R., Tolley M., Spindloe Ch., Koester P., Labate L., Gizzi LA., Ben (2010)
    Proton Radiography and Fast Electron Propogation Through Cyliderically Compressed Targets
    in Journal of the Korean Physical Society (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Jafer R., Volpe L., Batani D., Koenig M., Baton S., Brambrink E., Perez F., Dorchies F., Santos J. J., Fourment C., Hulin S., Nicolai P., Vauzour B., Lancaster K., Galimberti M., Heathcote R., Tolley M., Spindloe Ch., Koester P., Labate L., Gizzi LA., Ben (literal)
Pagina inizio
  • 305 (literal)
Pagina fine
  • 310 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 57 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Milano Bicocca, Dipartimento Fis G Occhialini, Milan, Italy; Ecole Polytech, Lab Utilisat Lasers Intenses, F-91128 Palaiseau, France; Univ Bordeaux, CNRS, CEA, Bordeaux, France; CNR, I-56100 Pisa, Italy; Univ Bologna, Dipartimento Fis, I-40126 Bologna, Italy; Univ Roma Tor Vergata, I-00173 Rome, Italy; Univ York, York YO10 5DD, N Yorkshire England; Univ Calif San Diego, San Diego, CA 92103 USA; Lawrence Livermore Natl Lab, Livermore, CA USA; Korea Atom Energy Res Inst, Seoul, South Korea (literal)
Titolo
  • Proton Radiography and Fast Electron Propogation Through Cyliderically Compressed Targets (literal)
Abstract
  • The paper describes the key points contained in the short term HiPER (High Power laser Energy Research) experimental road map, as well as the results of two phases of the experiment performed in \"HiPER dedicated time slots. Experimental and theoretical results of relativistic electron transport in cylindrically compressed matter are presented. This experiment was achieved at the VULCAN laser facility (UK) by using four long pulse beams (similar to 4 x 50 J, 1 us, 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)). In the first phase of the experiment, protons accelerated by a picosecond laser pulse were used to radiograph a cylinder filled with 0.1 g/cc foam. Point projection proton backlighting was used to measure the degree of compression as well as the stagnation time. Results were compared to those from hard X-ray radiography. Finally, Monte Carlo simulations of proton propagation in cold and compressed targets allowed a detailed, comparison with 2D numerical hydro simulations. 2D simulations predict a density of 2-5 g cm(-3) and a plasma temperature up to 100 eV at maximum compression. In the second phase of the experiment, a short pulse (10 ps, 160 J) beam generated fast electrons that propagated through the compressed matter by irradiating a nickel foil at an intensity of 5 x 10(18) Wcm(-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. (literal)
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