Runaway electron measurements in the JET tokamak

B. Esposito, R. Martin Solis, P. Van Belle, O.N. Jarvis, F.B. Marcus, G. Sadler, R. Sanchez, B. Fischer, P. Froissard, J.M. Adams, E. Cecil, N. Watkins

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Abstract

The perpendicular x-ray emission up a to few MeV of runaway electrons has been measured in JET low-density ohmic discharges by means of the fast electron bremsstrahlung profile monitor. A diffusion model simulating the temporal evolution of the line-integrated x-ray signals is used to determine the runaway radial transport coefficient in the central region of the plasma (Dr≃ 0.2 m2s-1for r/a < 0.5); a comparison is made with the predictions of magnetic and electrostatic turbulent transport theories and limits on the level of radial magnetic field fluctuations are found. © 1996 IOP Publishing Ltd.
Original languageEnglish
Pages (from-to)2035 - 2049
Number of pages15
JournalPlasma Physics and Controlled Fusion
Volume38
Issue number12
DOIs
Publication statusPublished - 1996
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Nuclear Energy and Engineering
  • Condensed Matter Physics

Cite this

Esposito, B., Martin Solis, R., Van Belle, P., Jarvis, O. N., Marcus, F. B., Sadler, G., ... Watkins, N. (1996). Runaway electron measurements in the JET tokamak. Plasma Physics and Controlled Fusion, 38(12), 2035 - 2049. https://doi.org/10.1088/0741-3335/38/12/001