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Effects of ionization in a laser Wakefield accelerator

Research output: Contribution to journalJournal article

Published
  • C. McGuffey
  • W. Schumaker
  • Stefan Kneip
  • T. Matsuoka
  • Valery Yu. Bychenkov
  • I. V. Glazyrin
  • A. V. Karpeev
  • F. J. Dollar
  • Vladimir Chvykov
  • Galina Kalintchenko
  • Victor Yanovsky
  • Alexander George Roy Thomas
  • Anatoly Maksimchuk
  • Karl Krushelnick
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<mark>Journal publication date</mark>11/2010
<mark>Journal</mark>AIP Conference Proceedings
Volume1299
Number of pages6
Pages (from-to)144-149
StatePublished
Original languageEnglish

Abstract

Experimental results are presented from studies of the ionization injection process in laser wakefield acceleration using the Hercules laser with laser power up to 100 TW. Gas jet targets consisting of gas mixtures reduced the density threshold required for electron injection and increased the maximum beam charge. Gas mixture targets produced smooth beams even at densities which would produce severe beam breakup in pure He targets and the divergence was found to increase with gas mixture pressure.