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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">nuc</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник НЯЦ РК</journal-title><trans-title-group xml:lang="en"><trans-title>NNC RK Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7516</issn><issn pub-type="epub">1729-7885</issn><publisher><publisher-name>Национальный ядерный центр Республики Казахстан</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52676/1729-7885-2021-4-10-15</article-id><article-id custom-type="elpub" pub-id-type="custom">nuc-401</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Статьи</subject></subj-group></article-categories><title-group><article-title>РЕЗУЛЬТАТЫ СПЕКТРОСКОПИЧЕСКИХ ИЗМЕРЕНИЙ ПЛАЗМЕННЫХ РАЗРЯДОВ НА ТОКАМАКЕ КТМ</article-title><trans-title-group xml:lang="en"><trans-title>RESULTS OF SPECTROSCOPIC MEASUREMENTS OF PLASMA DISCHARGES AT THE KTM TOKAMAK</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жүнісбек</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhunisbek</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><email xlink:type="simple">zhunisbek@nnc.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чектыбаев</surname><given-names>Б. Ж.</given-names></name><name name-style="western" xml:lang="en"><surname>Chektybaev</surname><given-names>B. Zh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Садыков</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Sadykov</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жаксыбаева</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhaksybaeva</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Женіс</surname><given-names>Қ.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhenis</surname><given-names>K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мадиянова</surname><given-names>Ә. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Madiyanova</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Филиал «Институт атомной энергии» РГП НЯЦ РК<country>Казахстан</country></aff><aff xml:lang="en">Branch “Institute of Atomic Energy” RSE NNC RK<country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>01</day><month>02</month><year>2022</year></pub-date><volume>0</volume><issue>4</issue><fpage>10</fpage><lpage>15</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Жүнісбек С.А., Чектыбаев Б.Ж., Садыков А.Д., Жаксыбаева А.А., Женіс Қ., Мадиянова Ә.Н., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Жүнісбек С.А., Чектыбаев Б.Ж., Садыков А.Д., Жаксыбаева А.А., Женіс Қ., Мадиянова Ә.Н.</copyright-holder><copyright-holder xml:lang="en">Zhunisbek S.A., Chektybaev B.Z., Sadykov A.D., Zhaksybaeva A.A., Zhenis K., Madiyanova A.N.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://journals.nnc.kz/jour/article/view/401">https://journals.nnc.kz/jour/article/view/401</self-uri><abstract><p>В работе приведены результаты спектроскопических измерений плазменных разрядов на токамаке КТМ. Измерения проводились во время июньской кампании 2021 года, в ходе которой были получены плазменные разряды с током плазмы от 120 кА до 150 кА и длительностью ~250 мс.В работе особое внимание уделено изучению элементного состава плазмы и проводится анализ примесей и путей их поступления. Примеси в плазме напрямую влияют на радиационные потери. Оптическая спектроскопия (ОС) является одним из основных методов исследования поступления примесей в плазму.Для определения спектра излучения плазмы токамака КТМ использовался спектрометр Avaspec-ULS2048CLEVO-RS-BB. Временная эволюция линий водорода измерялась с помощью диагностики монитора Hα-Dα, снабженной узкополосными интерференционными фильтрами (FWHM 1 нм).По измеренному спектру излучения было обнаружено, что в водородной плазме токамака КТМ кроме наличия рабочего газа, также имелись примеси углерода, кислорода, азота и аргона (C, O, N, Ar) в различных ионизационных состояниях.</p></abstract><trans-abstract xml:lang="en"><p>The paper presents the results of spectroscopic measurements of plasma discharges at the KTM tokamak. The measurements were carried out during the June 2021 campaign, which plasma discharges were obtained with a plasma current from 120 kA to 150 kA and a duration of ~250 ms.In connection with the design changes inside the vacuum chamber of the tokamak, special attention is paid to the study of the elemental composition of the plasma and the analysis of impurities and the ways of their entry is carried out. Impurities in plasma directly affect radiation losses. Optical spectroscopy (OS) is one of the main methods for studying the penetration of impurities into plasma.An Avaspec-ULS2048CL-EVO-RS-BB spectrometer was used to determine the emission spectrum of the KTM tokamak plasma. The time evolution of the hydrogen lines was measured using the diagnostics of a Hα-Dα monitor equipped with narrow-band interference filters (FWHM 1 nm).Based on the measured emission spectrum, it was found that in the hydrogen plasma of the KTM tokamak, in addition to the presence of a working gas, there were also impurities of carbon, oxygen, nitrogen and argon (C, O, N, Ar) in various ionization states.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>токамак КТМ</kwd><kwd>плазма</kwd><kwd>оптические диагностики</kwd><kwd>спектроскопия</kwd><kwd>спектральные линии</kwd></kwd-group><kwd-group xml:lang="en"><kwd>KTM tokamak</kwd><kwd>plasma</kwd><kwd>optical diagnostics</kwd><kwd>spectroscopy</kwd><kwd>spectral lines</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Study of breakdown and plasma formation in the KTM tokamak with the massive conductive vacuum chamber / B. 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