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Rev Sci Instrum. 2018 Oct;89(10):10D131. doi: 10.1063/1.5038930.

Application of the VUV and the soft x-ray systems on JET for the study of intrinsic impurity behavior in neon seeded hybrid discharges.

The Review of scientific instruments

N Krawczyk, A Czarnecka, I Ivanova-Stanik, R Zagórski, C Challis, D Frigione, C Giroud, J Graves, M J Mantsinen, S Silburn,

Affiliations

  1. Institute of Plasma Physics and Laser Microfusion, Hery 23, Warsaw 01-497, Poland.
  2. CCFE, Culham Science Centre, Abingdon, Oxon OX14 3DB, United Kingdom.
  3. Associazione EURO-ENEA, C.R.E. Frascati, Frascati, Italy.
  4. Centre de Recherches en Physique des Plasmas, EPFL, Lausanne, Switzerland.
  5. ICREA, Barcelona, Spain.

PMID: 30399789 DOI: 10.1063/1.5038930

Abstract

This paper reports on impurity behavior in a set of hybrid discharges with Ne seeding-one of the techniques considered to reduce the power load on reactor walls. A series of experiments carried out with light gas injection on JET with the ITER-Like-Wall (ILW) suggests increased tungsten release and impurity accumulation [C. Challis

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