Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 26 / Number 3P1 / Pages 227-233
D. Anderson, Ya. I. Kolesnichenko, M. Lisak, F. Wising, Yu. V. Yakovenko
Fusion Science and Technology / Volume 26 / Number 3P1 / Pages 227-233
Format:electronic copy (download)
Based on a new theory for redistribution of fast ions during sawtooth crashes, numerical simulations are executed of sawtooth oscillations in the 2.5-MeV neutron emission from neutral beam injection-heated Joint European Torus (JET) plasmas. The analysis includes all sources of 2.5-MeV neutrons: thermal, beam-plasma, and beam-beam deuterium-deuterium reactions. Two models of sawteeth are used in the calculations—both based on magnetic field line reconnection. A detailed comparison with experimental results from JET shows that the theory for sawtooth-induced fast ion redistribution is consistent with the observed changes of the neutron emission.
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