Energy distributions of superthermal ions in regime with sawtooth oscillations during neutral beam injection at the Globus-M tokamak

A. D. Melnik; N. N. Bakharev; V. K. Gusev; P. R. Goncharov; G. S. Kurskiev; V. B. Minaev; Yu. V. Petrov; N. V. Sakharov; A. Yu. Telnova; S. Yu. Tolstyakov; F. V. Chernyshev; P. B. Shchegolev

doi:10.1134/S1063780X17080086

Energy distributions of superthermal ions in regime with sawtooth oscillations during neutral beam injection at the Globus-M tokamak

Authors: Melnik A.D.¹, Bakharev N.N.¹, Gusev V.K.¹, Goncharov P.R.², Kurskiev G.S.¹, Minaev V.B.¹, Petrov Y.V.¹, Sakharov N.V.¹, Telnova A.Y.¹, Tolstyakov S.Y.¹, Chernyshev F.V.¹, Shchegolev P.B.¹
Affiliations:
1. Ioffe Institute
2. Peter the Great St. Petersburg Polytechnic University
Issue: Vol 43, No 8 (2017)
Pages: 805-817
Section: Tokamaks
URL: https://journal-vniispk.ru/1063-780X/article/view/186176
DOI: https://doi.org/10.1134/S1063780X17080086
ID: 186176

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Abstract

Specific features of the energy distributions of fast ions during neutral beam injection at the Globus-М tokamak are considered. Different loss mechanisms that can lead to the formation of a specific shape of the energy spectrum of superthermal ions are analyzed. The effect of sawtooth oscillations on the loss of fast ions is discussed.