Author： Minashin P.V.
Publisher： Edp Sciences
E-ISSN： 2100-014x|87|issue|03009-03009
ISSN： 2100-014x
Source： EPJ Web of Conference, Vol.87, Iss.issue, 2015-03, pp. : 03009-03009
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Abstract
A method of spectroscopic diagnostics of the average perpendicular-to-magnetic-field momentum of the superthermal component of the electron velocity distribution (EVD), based on the high-number-harmonic electron cyclotron (EC) radiation, is suggested for nuclear fusion-reactor plasmas under condition of a strong auxiliary heating (e.g. in tokamak DEMO, a next step after tokamak ITER). The method is based on solving an inverse problem for reconstruction of the EVD in parallel and perpendicular-to-magnetic-field components of electron momentum at high and moderate energies responsible for the emission of the high-number-harmonic EC radiation.
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