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[Formula presented] fluorescence measurement of relativistic electron transport in the context of fast ignition

  • R. B. Stephens
  • , R. A. Snavely
  • , Y. Aglitskiy
  • , F. Amiranoff
  • , C. Andersen
  • , D. Batani
  • , S. D. Baton
  • , T. Cowan
  • , R. R. Freeman
  • , T. Hall
  • , S. P. Hatchett
  • , J. M. Hill
  • , M. H. Key
  • , J. A. King
  • , J. A. Koch
  • , M. Koenig
  • , A. J. MacKinnon
  • , K. L. Lancaster
  • , E. Martinolli
  • , P. Norreys
  • E. Perelli-Cippo, M. Rabec Le Gloahec, C. Rousseaux, J. J. Santos, F. Scianitti
  • General Atomics
  • Lawrence Livermore National Laboratory
  • Science Applications International Corporation
  • LULI
  • University of California, Davis
  • University of Milano-Bicocca
  • University of Essex
  • CCLRC Rutherford Appleton Laboratory
  • Commissariat a 1’energie atomique

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

12 Citations (Scopus)

Résumé

Electron transport within solid targets, irradiated by a high-intensity short-pulse laser, has been measured by imaging [Formula presented] radiation from high-[Formula presented] layers (Cu, Ti) buried in low-[Formula presented] (CH, Al) foils. Although the laser spot is [Formula presented] [full width at half maximum (FWHM)], the electron beam spreads to [Formula presented] FWHM within [Formula presented] of penetration into an Al target then, at depths [Formula presented], diverges with a [Formula presented] spreading angle. Monte Carlo and analytic models are compared to our data. We find that a Monte Carlo model with a heuristic model for the electron injection gives a reasonable fit with our data.

langue originaleAnglais
Pages (de - à)7
Nombre de pages1
journalPhysical Review E
Volume69
Numéro de publication6
Les DOIs
étatPublié - 1 janv. 2004

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