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  • Hellesen, Carl,1980-Uppsala universitet,Tillämpad kärnfysik,Fusion diagnostics (author)

Neutron emission generated by fast deuterons accelerated with ion cyclotron heating at JET

  • Article/chapterEnglish2010

Publisher, publication year, extent ...

  • 2010-01-15
  • IOP Publishing,2010
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kth-19292
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-19292URI
  • https://doi.org/10.1088/0029-5515/50/2/022001DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-114441URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • QC 20100525
  • For the first time, the neutron emission from JET plasmas heated with combined deuterium neutral beam injection and third harmonic ion cyclotron radio frequency heating have been studied with neutron emission spectroscopy (NES). Very high DD neutron rates were observed with only modest external heating powers, which was attributed to acceleration of deuterium beam ions to energies of about 2-3 MeV, where the DD reactivity is on a par of that of the DT reaction. Fast deuterium energy distributions were derived from analysis of NES data and confirm acceleration of deuterium beam ions up to energies around 3 MeV, in agreement with theoretical predictions. The high neutron rates allowed for observations of changes in the fast deuterium populations on a time scale of 50 ms. Correlations were seen between fast deuterium ions at different energies and magnetohydrodynamic activities, such as monster sawtooth crashes and toroidal Alfven eigenmodes.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Gatu Johnson, MariaUppsala universitet,Tillämpad kärnfysik(Swepub:uu)magjo386 (author)
  • Andersson Sundén, ErikUppsala universitet,Tillämpad kärnfysik(Swepub:uu)erasu959 (author)
  • Conroy, SeanUppsala universitet,Tillämpad kärnfysik(Swepub:uu)sco17122 (author)
  • Ericsson, GöranUppsala universitet,Tillämpad kärnfysik(Swepub:uu)ger17122 (author)
  • Ronchi, E.Uppsala universitet,Tillämpad kärnfysik (author)
  • Sjöstrand, HenrikUppsala universitet,Tillämpad kärnfysik(Swepub:uu)hesjo677 (author)
  • Weiszflog, M.Uppsala universitet,Tillämpad kärnfysik (author)
  • Gorini, G. (author)
  • Tardocchi, M. (author)
  • Johnson, Thomas J.KTH,Fusionsplasmafysik(Swepub:kth)u1xypjyh (author)
  • Kiptily, V. G. (author)
  • Pinches, S. D. (author)
  • Sharapov, S. E. (author)
  • Johnson, M. Gatu (author)
  • Anderson-Sunden, E. (author)
  • Uppsala universitetTillämpad kärnfysik (creator_code:org_t)

Related titles

  • In:Nuclear Fusion: IOP Publishing50:20029-55151741-4326

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