MULTIPLE CELL ARRAY DETECTOR FOR A HEAVY ION BEAM PROBE ON THE T-15MD TOKAMAK
https://doi.org/10.56304/S2079562924060459
EDN: KHCGVY
Abstract
The potential of utilizing a multiple cell array detector (MCAD) [Beckstead J.A. et al. // Rev. Sci. Instrum. 1997. V. 68 (1). P. 328] has been demonstrated, as an additional tool for correlation studies of density and poloidal field fluctuations in a plasma as a part of the heavy ion beam probe on the T-15MD tokamak. The optimum position and size of the detector have been found, and its cell size has been determined. Trajectories of probing particles have been calculated and the plasma region for measurements has been estimated for the toroidal magnetic fields Bt = 1.2, 1.5, 1.7, and 2.0 T. It has been shown that simultaneous measurements with the multiple cell array detector and the energy analyzer as the main measurement tool are possible, which allows the study of radial and poloidal spatial correlations of medium scale comparable to the small plasma radius. The spatial resolution of measurements and attenuation of the beam current signal during its passage through the plasma have been estimated.
About the Authors
E. A. Vinitskiy
National Research Centre “Kurchatov Institute”;
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
O. D. Krohalev
National Research Centre “Kurchatov Institute”;
Moscow Institute of Physics and Technology (National Research University)
Russian Federation
Russian Federation
L. G. Eliseev
National Research Centre “Kurchatov Institute”
Russian Federation
Russian Federation
A. V. Melnikov
National Research Centre “Kurchatov Institute”;
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute);
Moscow Institute of Physics and Technology (National Research University)
Russian Federation
Russian Federation
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For citations:
Vinitskiy E.A., Krohalev O.D., Eliseev L.G., Melnikov A.V. MULTIPLE CELL ARRAY DETECTOR FOR A HEAVY ION BEAM PROBE ON THE T-15MD TOKAMAK. Nuclear Physics and Engineering. 2025;16(4):483-491. (In Russ.) https://doi.org/10.56304/S2079562924060459. EDN: KHCGVY
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