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Transverse optical diagnostics for intense focused heavy ion beams

  • D. Varentsov
  • , A. D. Fertman
  • , V. I. Turtikov
  • , A. Ulrich
  • , J. Wieser
  • , V. E. Fortov
  • , A. A. Golubev
  • , D. H.H. Hoffmann
  • , A. Hug
  • , M. Kulish
  • , V. Mintsev
  • , P. A. Ni
  • , D. Nikolaev
  • , B. Yu Sharkov
  • , N. Shilkin
  • , V. Ya Ternovoi
  • , S. Udrea
  • GSI Helmholtz Centre for Heavy Ion Research
  • Alikhanov Institute for Theoretical and Experimental Physics
  • Technical University of Munich
  • Coherent GmbH
  • Technische Universität Darmstadt
  • Institute for Chemical Physics Research
  • University of California at Berkeley

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Beam-induced fluorescence of dense gas targets has been studied for its application to measure the transverse intensity distribution of energetic focused heavy ion beams. Mechanisms of light emission are discussed on the basis of measured wavelength- and time-resolved light emission of argon. Gas pressures from 10 mbar up to 1 bar have been used. Transverse beam intensity profiles of 200 - 400 AMeV 238U pulses from the heavy ion synchrotron SIS-18 at the Gesellschaft für Schwerionenforschung, Darmstadt, Germany with up to 5 · 109 particles per pulse focused to a sub-millimeter spot have been recorded with argon and helium as target gases. Beam profiles recorded at the ArII lines by an optical filter resulted in the narrowest, most realistic beam diameters.

Original languageEnglish
Pages (from-to)586-594
Number of pages9
JournalContributions to Plasma Physics
Volume48
Issue number8
DOIs
StatePublished - Oct 2008
Externally publishedYes

Keywords

  • Beam optics
  • Beams in accelerators
  • Charged-particle beams
  • Electron and ion optics
  • Intense particle beams and radiation sources

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