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Photonuclear Fission from High Energy Electrons from Ultraintense Laser-Solid Interactions

Authors
  • Cowan, T.E.
  • Hunt, A.W.
  • Phillips, T.W.
  • Wilks, S.C.
  • Perry, M.D.
  • Brown, C.
  • Fountain, W.
  • Hatchett, S.
  • Johnson, J.
  • Key, M.H.
  • Parnell, T.
  • Pennington, D.M.
  • Snavely, R.A.
  • Takahashi, Y.
Publication Date
Jan 31, 2000
Identifiers
DOI: 10.1103/PhysRevLett.84.903
OAI: oai:inspirehep.net:551546
Source
INSPIRE-HEP
License
Unknown
External links

Abstract

A new regime of laser-matter interactions in which the quiver motion of plasma electrons is fully relativistic, with energies extending well above the threshold for nuclear processes, is studied using a petawatt laser system. In solid target experiments with focused intensities exceeding 1020W/cm2, high energy electron generation, hard bremsstrahlung, and nuclear phenomena have been observed. We report here a quantitative comparison of the high energy electrons and the bremsstrahlung spectrum, as measured by photonuclear reaction yields, including the photoinduced fission of 238U.

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