Feasibility of charge exchange spectroscopy fast helium measurements on ITER

A. Kappatou, E. Delabie, R.J.E. Jaspers, M.G. von Hellermann

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Abstract

The feasibility to measure fast alpha particles using Active Charge Exchange Recombination Spectroscopy (CXRS) on ITER is investigated. Through modelling of the charge exchange spectral line for fast ions together with the expected background emission, the signal-to-noise ratio has been calculated as a function of the diagnostic design parameters. Combining the CXRS data from both the heating and the diagnostic neutral beams on ITER, information on the fast ion energy spectrum up to 1 MeV can be obtained for the parameters of the ITER core CXRS diagnostic design, provided that the signal is binned in 100 keV bins and a time resolution of Isec is used.

Original languageEnglish
Title of host publication38th EPS Conference on Plasma Physics 2011, EPS 2011 - Europhysics Conference Abstracts
Pages769-772
Number of pages4
Volume35 1
Publication statusPublished - 1 Dec 2011
Event38th EPS Conference on Plasma Physics 2011, (EPS2011) - Strasbourg, France
Duration: 27 Jun 20111 Jul 2011

Conference

Conference38th EPS Conference on Plasma Physics 2011, (EPS2011)
Abbreviated titleEPS2011
CountryFrance
CityStrasbourg
Period27/06/111/07/11

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