High-Energy Runaway Electrons in the Oak Ridge Tokamak

Abstract
Measurement of hard x-rays produced in normal ORMAK discharges provides direct evidence that runaway electrons can be produced at early times and can be contained stably during the whole discharge time, thereby attaining energies of the order of 10 MeV. This class of high-energy runaway electrons complements and extends previous information on runaways in toroidal discharges and can have some distinct consequences on the operation of future tokamak devices.