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- Cecconello, MarcoUppsala universitet,Tillämpad kärnfysik (author)
Discrepancy between estimated and measured fusion product rates on MAST using TRANSP/NUBEAM
- Article/chapterEnglish2019
Publisher, publication year, extent ...
- 2018-11-19
- IOP PUBLISHING LTD,2019
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:uu-371111
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-371111URI
- https://doi.org/10.1088/1741-4326/aaea19DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- Experimental evidence is presented of a discrepancy between the predicted and measured D-D fusion product rates on MAST Both the neutron and proton production rates, measured independently with a neutron camera and charged fusion product detector array, are approximately 40% lower than those predicted by TRANSP/NUBEAM codes. This deficit is scenario independent and cannot be explained by uncertainties in the typical plasma parameters suspected for such discrepancies, such as electron temperature, the plasma effective charge and the injected neutral beam power. Instead, a possible explanation is an overestimate of the neutron emissivity due to the guiding centre approximation used in NUBEAM to model the fast ion orbits.
Subject headings and genre
- NATURVETENSKAP Fysik Fusion, plasma och rymdfysik hsv//swe
- NATURAL SCIENCES Physical Sciences Fusion, Plasma and Space Physics hsv//eng
- spherical tokamak
- MAST
- fusion product deficit
- TRANSP
- NUBEAM
Added entries (persons, corporate bodies, meetings, titles ...)
- Boeglin, W.Florida Int Univ, Dept Phys, 11200 SW, Miami, FL 33199 USA (author)
- Keeling, D.Culham Sci Ctr, Culham Ctr Fus Energy, United Kingdom Atom Energy Author, Abingdon OX14 3DB, Oxon, England (author)
- Conroy, SeanUppsala universitet,Tillämpad kärnfysik(Swepub:uu)sco17122 (author)
- Klimek, IwonaUppsala universitet,Tillämpad kärnfysik(Swepub:uu)iwowo501 (author)
- Perez, R. , V (author)
- Uppsala universitetTillämpad kärnfysik (creator_code:org_t)
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- In:Nuclear Fusion: IOP PUBLISHING LTD59:10029-55151741-4326
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