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Runaway electron sy...
Runaway electron synchrotron radiation in a vertically translated plasma
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- Hoppe, Mathias, 1993 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Papp, G. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Wijkamp, T. (author)
- Dutch Institute for Fundamental Energy Research (DIFFER),Technische Universiteit Eindhoven,Eindhoven University of Technology
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- Perek, A. (author)
- Dutch Institute for Fundamental Energy Research (DIFFER)
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- Decker, J. (author)
- Ecole Polytechnique Federale de Lausanne (EPFL),Swiss Federal Institute of Technology in Lausanne (EPFL)
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- Duval, B. (author)
- Ecole Polytechnique Federale de Lausanne (EPFL),Swiss Federal Institute of Technology in Lausanne (EPFL)
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- Embréus, Ola, 1991 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Fülöp, Tünde, 1970 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Sheikh, U. A. (author)
- Ecole Polytechnique Federale de Lausanne (EPFL),Swiss Federal Institute of Technology in Lausanne (EPFL)
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Chalmers tekniska högskola Max Planck Gesellschaft zur Förderung der Wissenschaften eV. (MPG) (creator_code:org_t)
- 2020-08-14
- 2020
- English.
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In: Nuclear Fusion. - : IOP Publishing. - 1741-4326 .- 0029-5515. ; 60:9
- Related links:
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http://arxiv.org/pdf...
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Synchrotron radiation observed from runaway electrons (REs) in tokamaks depends upon the position and size of the RE beam, the RE energy and pitch distributions, as well as the location of the observer. We show experimental synchrotron images of a vertically moving RE beam sweeping past the detector in the Tokamak a Configuration Variable (TCV) tokamak and compare it with predictions from the synthetic synchrotron diagnosticSoft. This experimental validation lends confidence to the theory underlying the synthetic diagnostics which are used for benchmarking theoretical models of and probing runaway dynamics. We present a comparison of synchrotron measurements in TCV with predictions of kinetic theory for runaway dynamics in uniform magnetic fields. We find that to explain the detected synchrotron emission, significant non-collisional pitch angle scattering as well as radial transport of REs would be needed. Such effects could be caused by the presence of magnetic perturbations, which should be further investigated in future TCV experiments.
Subject headings
- NATURVETENSKAP -- Fysik -- Acceleratorfysik och instrumentering (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Accelerator Physics and Instrumentation (hsv//eng)
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Keyword
- tokamak
- runaway electrons
- synchrotron radiation
- SOFT
- TCV
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Hoppe, Mathias, ...
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Papp, G.
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Wijkamp, T.
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Perek, A.
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Decker, J.
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Duval, B.
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show more...
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Embréus, Ola, 19 ...
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Fülöp, Tünde, 19 ...
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Sheikh, U. A.
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show less...
- 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 Accelerator Phys ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Subatomic Physic ...
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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 ...
- Articles in the publication
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Nuclear Fusion
- By the university
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Chalmers University of Technology