Effect of target heating on ion-induced reactions in high-intensity laser-plasma interactions

P. McKenna, K.W.D. Ledingham, T. McCanny, R.P. Singhal, I. Spencer, E.L. Clark, F.N. Beg, K. Krushelnick, M.S. Wei, J. Galy, J. Magill, R.J. Clarke, K.L. Lancaster, P.A. Norreys, K.M. Spohr, R. Chapman

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22 Citations (Scopus)


Measurements of ion-induced nuclear reactions have been used to diagnose ion acceleration from the interaction of high-intensity (>1019 W cm−2)(>1019 W cm−2) laser light with solid targets. Nuclear activation of catcher materials surrounding the interaction region has been studied using a high-resolution germanium detector. It was found that, when a 100 μm thick Al target foil was preheated, the proton flux produced from the laser–foil interaction was considerably reduced. Observed heavy-ion-induced reactions are used with calculated reaction cross sections to quantify ion acceleration.
Original languageEnglish
Pages (from-to)2763-2765
Number of pages3
JournalApplied Physics Letters
Issue number14
Publication statusPublished - Sep 2003


  • nuclear reactions
  • acceleration measurement
  • heavy ion reactions
  • chemical reaction cross sections
  • protons


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