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Spontaneous acceleration of ions to supra-thermal energies is observed during magnetic reconnection in the Mega-Ampere Spherical Tokamak (MAST). A high-energy tail is observed in the ion-distribution function following each internal reconnection event in Ohmic discharges. This phenomenon is explained in terms of runaway ion acceleration in the electric field induced by the reconnection.

Additional information

Authors: HELANDER P ET AL, EURATOM/UKAEA Fusion Association, Culham Science Centre, Abingdon (GB);ERIKSSON L-G, Association EURATOM-CEA sur la Fusion, CEA Cadarache, St. Paul lez Durance (FR);BYROM C, Department of Physics, UMIST, Manchester (GB)
Bibliographic Reference: An article published in: Physical Review Letters, 89, 235002 (2002)
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