Charged fusion product loss measurements using nuclear activation

Research output: Contribution to journalArticle

Authors

  • G. Bonheure
  • M. Hult
  • R. Gonzales de Orduna
  • D. Arnold
  • H. Dombrowski
  • M. Laubenstein
  • E. Wieslander
  • Peter Vermaercke
  • A. Murari
  • S. Popovichev
  • J. Mlynar

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Abstract

In ITER, a particle loss measurements will be required in order to understand the alpha particle physics. Techniques capable of operating in a fusion reactor environment need further development. Recent experimental studies on JET demonstrated the potential of nuclear activation to measure the flux of escaping MeV ions. New results from MeV ion induced activation of metallic, ceramic, and crystal samples placed near the plasma edge are reported. Actiation products were measured as function of orientation with respect to the magnetic field as well as function of the distance to the plasma. Sample activity was measured using ultralow-level gamma-ray spectrometry. Distribution of 14.68 MeV fusion proton induced activation products is strongly anisotropic in agreement with simulations and falls off sharply with increasing distance to the plasma. Prospects for using the technique in ITER are discussed.

Details

Original languageEnglish
Pages (from-to)10D331-10D331
JournalReview of Scientific Instruments
Volume81
Issue number10
DOIs
Publication statusPublished - Nov 2010

Keywords

  • Charged Fusion nuclear activation

ID: 344726