Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Heavy Ion Beam Probing Diagnostics on the TUMAN-3M Tokamak for Study Plasma Potential and Electric Fields in New Operational Regimes

Version 1 : Received: 30 October 2022 / Approved: 4 November 2022 / Online: 4 November 2022 (01:44:37 CET)

A peer-reviewed article of this Preprint also exists.

Askinazi, L.; Abdullina, G.; Belokurov, A.; Kornev, V.; Lebedev, S.; Razumenko, D.; Shergin, D.; Smirnov, A.; Tukachinsky, A.; Zhubr, N. Heavy Ion Beam Probing Diagnostics on the TUMAN-3M Tokamak for Study Plasma Potential and Electric Fields in New Operational Regimes. Atoms 2022, 10, 152. Askinazi, L.; Abdullina, G.; Belokurov, A.; Kornev, V.; Lebedev, S.; Razumenko, D.; Shergin, D.; Smirnov, A.; Tukachinsky, A.; Zhubr, N. Heavy Ion Beam Probing Diagnostics on the TUMAN-3M Tokamak for Study Plasma Potential and Electric Fields in New Operational Regimes. Atoms 2022, 10, 152.

Abstract

Heavy Ion Beam Probing (HIBP) diagnostic is a powerful tool for electric field studies in hot dense plasma of modern day toroidal magnetic confinement devices. On the TUMAN-3M to-kamak, the HIBP have been used in regimes with improved plasma confinement to clear up the role of radial electric field in the transition to good confinement regimes. Recently, a moderni-zation of the TUMAN-3M HIBP diagnostics was performed aiming to reconfigure it for a work with a reversed plasma current direction and improvement of overall stability of the diagnostic. The results of first measurements of plasma potential in co-NBI scenario are reported and dis-cussed.

Keywords

tokamak; plasma potential; radial electric field; L-H transition; Heavy Ion Beam Probing; Neutral Beam Injection

Subject

Physical Sciences, Fluids and Plasmas Physics

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