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@ARTICLE{Beg:37782,
      author       = {Beg, F. N. and Wei, M. S. and Clark, E. L. and Dangor, A.
                      E. and Evans, R. G. and Gibbon, P. and Gopal, A. and
                      Lancaster, K. L. and Ledingham, K. W. D. and McKenna, P. and
                      Norreys, D. A. and Tatarakis, M. and Zepf, M. and
                      Krushelnick, K.},
      title        = {{R}eturn current and proton emission from short pulse laser
                      interactions with wire targets},
      journal      = {Physics of plasmas},
      volume       = {11},
      issn         = {1070-664X},
      address      = {[S.l.]},
      publisher    = {American Institute of Physics},
      reportid     = {PreJuSER-37782},
      pages        = {2806 - 2813},
      year         = {2004},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Results are presented from laser-plasma interaction
                      experiments using the VULCAN laser at the Rutherford
                      Appleton Laboratory. Wire targets were used to elucidate the
                      role of the return currents generated by the relativistic
                      electron beam leaving the target at laser intensities up to
                      5x10(19) W cm(-2). For some shots an additional wire or a
                      foil was placed near the target wire. In other shots, a foil
                      was used as the target with a wire behind. Three main
                      observations were made: (i) Z-pinch behavior in the wires
                      due to the return currents, (ii) optical transition
                      radiation (OTR) at the second harmonic of the laser, and
                      (iii) proton emission. The OTR and the proton emission were
                      observed from both the primary wire target and the adjacent
                      wire. The OTR emission is associated with electron bunches
                      at twice the laser frequency due to ponderomotive JxB
                      acceleration by the laser. The proton emission from the
                      adjacent target was likely due to field emission of
                      electrons by the large potential produced from charging of
                      the primary wire target. The observations agree with
                      simulations using the three-dimensional tree code PEPC and
                      the two-and-one-half-dimensional particle-in-cell code
                      OSIRIS. (C) 2004 American Institute of Physics.},
      keywords     = {J (WoSType)},
      cin          = {ZAM},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB62},
      pnm          = {Betrieb und Weiterentwicklung des Höchstleistungsrechners},
      pid          = {G:(DE-Juel1)FUEK254},
      shelfmark    = {Physics, Fluids $\&$ Plasmas},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000221122600127},
      doi          = {10.1063/1.1704643},
      url          = {https://juser.fz-juelich.de/record/37782},
}