Synthetic Diagnostic of Spectra of Charge-Exchange Atoms&#x0D; for Analysis of Influence of the MHD Instability on Fast-Particle&#x0D; Confinement in Spherical Tokamaks Globus-M/M2

G S Kurskiev,V B Minaev,N N Bakharev,F V Chernyshov,A D Melnik,A Yu Telnova,I V Miroshnikov,P B Shchegolev,O A Zenkova,V A Tokarev,N S Zhiltsov,V Yu Goryainov,A V Voronin,E A Tyukhmeneva,V I Varfolomeev,I M Balachenkov,E O Kiselev,N A Khromov,M I Patrov,V K Gusev,N V Sakharov,O M Skrekel,Yu V Petrov,E E Tkachenko

doi:10.31857/s0367292123600802

Synthetic Diagnostic of Spectra of Charge-Exchange Atoms for Analysis of Influence of the MHD Instability on Fast-Particle Confinement in Spherical Tokamaks Globus-M/M2

G S Kurskiev, V B Minaev + Show 22 more

https://doi.org/10.31857/s0367292123600802

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Journal: Физика плазмы

Publication Date: Dec 1, 2023

#Confinement Of Fast Particles #Spherical Tokamaks + Show 8 more

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Abstract

Absorbed power of the neutral-injection beam in spherical tokamaks Globus-M/M2 is estimatednumerically. Deceleration of fast particles is simulated by means of the NUBEAM code. The signal of analyzerof charge-exchange atoms is simulated by means of the FIDASIM code using the distribution functionof fast ions calculated by means of the NUBEAM code. Comparison of calculated and experimental signalsallowed determining the degree of influence of instabilities on confinement of fast particles along withabsorbed beam power.

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