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Abstract

An energy cap of runaway electrons is found experimentally by observing their bremsstrahlung spectra in the ASDEX tokamak. This observation is explained by analyzing the dynamics of runaway electrons, including acceleration in the toroidal electric field, deceleration due to synchrotron radiation losses, collisions with plasma particles, and a resonance between gyromotion and magnetic field ripple of the tokamak. For the dynamics of runaway electrons a Fokker-Planck equation in momentum space is developed.

Additional information

Authors: KURZAN B, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);STEUER K-H, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);FUSSMANN G, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE)
Bibliographic Reference: Article: Physical Review Letters, Vol. 75 (1995) No. 25, pp. 4626-4629
Record Number: 199610696 / Last updated on: 1996-06-21
Category: PUBLICATION
Original language: en
Available languages: en