title: Ð­ÐºÑÐ¿ÐµÑÐ¸Ð¼ÐµÐ½ÑÐ°Ð»ÑÐ½Ð¾Ðµ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð¸Ð¾Ð½Ð½Ð¾-ÑÐ¸ÐºÐ»Ð¾ÑÑÐ¾Ð½Ð½Ð¾Ð³Ð¾ Ð¸Ð·Ð»ÑÑÐµÐ½Ð¸Ñ Ð½Ð° ÑÑÐµÑÐ¸ÑÐµÑÐºÐ¾Ð¼ ÑÐ¾ÐºÐ°Ð¼Ð°ÐºÐµ ÐÐ»Ð¾Ð±ÑÑ-Ð2
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Experimental study of ion cyclotron emission on the spherical tokamak Globus-M2
Creators: name: ÐÑÐ»ÑÐ³Ð¸Ð½, ÐÐ¸ÑÐ°Ð¸Ð»
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2024
Subjects: ÐÐ»Ð°Ð·Ð¼Ð° (ÑÐ¸Ð·.)
ÑÑÐµÑÐ¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ¾ÐºÐ°Ð¼Ð°Ðº
Ð¸Ð¾Ð½Ð½Ð¾-ÑÐ¸ÐºÐ»Ð¾ÑÑÐ¾Ð½Ð½Ð¾Ðµ Ð¸Ð·Ð»ÑÑÐµÐ½Ð¸Ðµ
ÐºÐ¾Ð¼Ð¿ÑÐµÑÑÐ¸Ð¾Ð½Ð½Ð°Ñ Ð°Ð»ÑÑÐ²ÐµÐ½Ð¾Ð²ÑÐºÐ°Ñ Ð²Ð¾Ð»Ð½Ð°
spherical tokamak
ion cyclotron emission
compression Alfven wave

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description: The given work is devoted to the experimental study of ion cyclotron emission on the Globus-M2 tokamak. Emission at the frequency of ion cyclotron resonance was recorded using magnetic probes in discharges injecting plasma with beams of high-energy hydrogen and deuterium atoms. As a result of the analysis of experimental data, it was revealed that ion cyclotron emission on the Globus-M2 tokamak is localized near the magnetic axis, has a predominantly compression wave structure, linearly depends on the magnetic field and does not depend on the electron density. It was also found that ion cyclotron emission occurs predominantly at harmonic frequencies with small toroidal mode numbers and forms structures in the form of running waves. In the process of analyzing spectral data, splitting of spectral lines was discovered, which presumably occurs for three reasons: different spatial localization of hydrogen and deuterium atoms, the presence of high-energy components in the beam of atoms with energies different from the main energy of the beam, as well as nonlinear frequency dynamics mode. Based on the results obtained, it is possible to conclude that ion cyclotron emission is excited as a result of resonance of the wave with fast particles. In this case, the wave, apparently, is not a compression Alfven wave.