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Diagnostic weight f...
Diagnostic weight functions in constants-of-motion phase-space
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- Rud, M. (author)
- Tech Univ Denmark, Dept Phys, DK-2800 Lyngby, Denmark.
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- Moseev, D. (author)
- Max Planck Inst Plasma Phys, Wendelsteinstr 1, D-17491 Greifswald, Germany.
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- Jaulmes, F. (author)
- Czech Acad Sci, Inst Plasma Phys, Inst Plasma Phys, Slovankou 1782-3, Prague 18200, Czech Republic.
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- Bogar, K. (author)
- Czech Acad Sci, Inst Plasma Phys, Inst Plasma Phys, Slovankou 1782-3, Prague 18200, Czech Republic.
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- Eriksson, Jacob, Dr, 1985- (author)
- Uppsala universitet,Tillämpad kärnfysik
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- Järleblad, H. (author)
- Tech Univ Denmark, Dept Phys, DK-2800 Lyngby, Denmark.
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- Nocente, M. (author)
- Univ Milano Bicocca, Dept Phys, I-20126 Milan, Italy.
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- Prechel, G. (author)
- Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA.
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- Reman, B. C. G. (author)
- Tech Univ Denmark, Dept Phys, DK-2800 Lyngby, Denmark.
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- Schmidt, B. S. (author)
- Tech Univ Denmark, Dept Phys, DK-2800 Lyngby, Denmark.
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- Snicker, A. (author)
- VTT Tech Res Ctr Finland, Espoo, Finland.
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- Stagner, L. (author)
- Gen Atom, POB 85608, San Diego, CA 92186 USA.
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- Valentini, A. (author)
- Tech Univ Denmark, Dept Phys, DK-2800 Lyngby, Denmark.
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- Salewski, M. (author)
- Tech Univ Denmark, Dept Phys, DK-2800 Lyngby, Denmark.
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Tech Univ Denmark, Dept Phys, DK-2800 Lyngby, Denmark Max Planck Inst Plasma Phys, Wendelsteinstr 1, D-17491 Greifswald, Germany. (creator_code:org_t)
- Institute of Physics Publishing (IOPP), 2024
- 2024
- English.
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In: Nuclear Fusion. - : Institute of Physics Publishing (IOPP). - 0029-5515 .- 1741-4326. ; 64:3
- Related links:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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Abstract
Subject headings
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- The fast-ion phase-space distribution function in axisymmetric tokamak plasmas is completely described by the three constants of motion: energy, magnetic moment and toroidal canonical angular momentum. In this work, the observable regions of constants-of-motion phase-space, given a diagnostic setup, are identified and explained using projected velocities of the fast ions along the diagnostic lines-of-sight as a proxy for several fast-ion diagnostics, such as fast-ion D alpha spectroscopy, collective Thomson scattering, neutron emission spectroscopy and gamma-ray spectroscopy. The observable region in constants-of-motion space is given by a position condition and a velocity condition, and the diagnostic sensitivity is given by a gyro-orbit and a drift-orbit weighting. As a practical example, 3D orbit weight functions quantifying the diagnostic sensitivity to each point in phase-space are computed and investigated for the future COMPASS-Upgrade and MAST-Upgrade tokamaks.
Subject headings
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Keyword
- weight functions
- fast ions
- diagnostics
- constants-of-motion phase-space
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Rud, M.
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Moseev, D.
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Jaulmes, F.
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Bogar, K.
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Eriksson, Jacob, ...
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Järleblad, H.
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show more...
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Nocente, M.
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Prechel, G.
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Reman, B. C. G.
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Schmidt, B. S.
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Snicker, A.
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Stagner, L.
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Valentini, A.
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Salewski, M.
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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 Fusion Plasma an ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
- Articles in the publication
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Nuclear Fusion
- By the university
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Uppsala University