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Neutron emission sp...
Neutron emission spectroscopy results for internal transport barrier and mode conversion ion cyclotron resonance heating experiments at JET
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- Giacomelli, L. (author)
- Uppsala universitet,Institutionen för fysik och astronomi
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- Hjalmarsson, A. (author)
- Uppsala universitet,Institutionen för fysik och astronomi
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Källne, J. (author)
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- Hellesen, C. (author)
- Uppsala universitet,Institutionen för fysik och astronomi
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Tardocchi, M. (author)
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- Gorini, G. (author)
- Uppsala universitet,Institutionen för fysik och astronomi
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Van Eester, D. (author)
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Lerche, E. (author)
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- Johnson, Thomas J. (author)
- EURATOM-UKAEA Association, Culham Science Centre, OX14 3DB Abingdon, United Kingdom
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Kiptily, V. (author)
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- Conroy, S. (author)
- Uppsala universitet,Institutionen för fysik och astronomi
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Sundén, A. (author)
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Ericsson, G. (author)
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- Johnson, G. (author)
- Uppsala universitet,Institutionen för fysik och astronomi
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- Sjöstrand, Henrik (author)
- Uppsala universitet,Institutionen för fysik och astronomi
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- Weiszflog, M. (author)
- Uppsala universitet,Institutionen för fysik och astronomi
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(creator_code:org_t)
- AIP Publishing, 2008
- 2008
- English.
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In: Review of Scientific Instruments. - : AIP Publishing. - 0034-6748 .- 1089-7623. ; 79:10, s. 10E514-
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The effect of ion cyclotron resonance heating (ICRH) on ((3)He)D plasmas at JET was studied with the time of flight optimized rate (TOFOR) spectrometer dedicated to 2.5 MeV dd neutron measurements. In internal transport barrier (ITB) plasma experiments with large (3)He concentrations (X((3)He)>15%) an increase in neutron yield was observed after the ITB disappeared but with the auxiliary neutral beam injection and ICRH power still applied. The analysis of the TOFOR data revealed the formation of a high energy (fast) D population in this regime. The results were compared to other mode conversion experiments with similar X((3)He) but slightly different heating conditions. In this study we report on the high energy neutron tails originating from the fast D ions and their correlation with X((3)He) and discuss the light it can shed on ICRH-plasma power coupling mechanisms.
Subject headings
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- fusion reactors
- plasma beam injection heating
- plasma collision processes
- plasma diagnostics
- plasma radiofrequency heating
- plasma toroidal confinement
- Plasma physics
- Plasmafysik
- Physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Giacomelli, L.
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Hjalmarsson, A.
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Källne, J.
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Hellesen, C.
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Tardocchi, M.
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Gorini, G.
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show more...
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Van Eester, D.
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Lerche, E.
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Johnson, Thomas ...
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Kiptily, V.
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Conroy, S.
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Sundén, A.
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Ericsson, G.
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Johnson, G.
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Sjöstrand, Henri ...
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Weiszflog, M.
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Fusion Plasma an ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
- Articles in the publication
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Review of Scient ...
- By the university
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Royal Institute of Technology
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Uppsala University