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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">npe</journal-id><journal-title-group><journal-title xml:lang="ru">Ядерная физика и инжиниринг</journal-title><trans-title-group xml:lang="en"><trans-title>Nuclear Physics and Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-5629</issn><issn pub-type="epub">2079-5637</issn><publisher><publisher-name>МИФИ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.56304/S207956292303017X</article-id><article-id custom-type="edn" pub-id-type="custom">MWTFWY</article-id><article-id custom-type="elpub" pub-id-type="custom">npe-393</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>Ускорители заряженных частиц для ядерных технологий</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Charged Particles Accelerators for Nuclear Technologies</subject></subj-group></article-categories><title-group><article-title>ОПТИМИЗАЦИЯ РЕЗОНАТОРОВ IH-ТИПА С ЦЕЛЬЮ СНИЖЕНИЯ ПИКОВЫХ ЗНАЧЕНИЙ ЭЛЕКТРИЧЕСКОГО ПОЛЯ НА ПОВЕРХНОСТИ</article-title><trans-title-group xml:lang="en"><trans-title>Optimization of IH-type Resonators to Reduce the Peak Values of the Electric Field on the Surface</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>Горчаков</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorchakov</surname><given-names>A. A.</given-names></name></name-alternatives><email xlink:type="simple">AAGorchakov@mephi.ru</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>Шашков</surname><given-names>Я. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shashskov</surname><given-names>Ya. V.</given-names></name></name-alternatives><email xlink:type="simple">AAGorchakov@mephi.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский ядерный университет МИФИ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>22</day><month>12</month><year>2024</year></pub-date><volume>15</volume><issue>4</issue><fpage>361</fpage><lpage>367</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Горчаков А.А., Шашков Я.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Горчаков А.А., Шашков Я.В.</copyright-holder><copyright-holder xml:lang="en">Gorchakov A.A., Shashskov Y.V.</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://npe.elpub.ru/jour/article/view/393">https://npe.elpub.ru/jour/article/view/393</self-uri><abstract><p>В работе представлены результаты расчетов электродинамических характеристик коротких пятизазорных ускоряющих резонаторов IH-типа, предназначенных для линейного ускорителя протонов и легких ионов c отношением заряда к массе A/Z от 1 до 3.5 для источника заряженных частиц с энергией пучка 7.5 МэВ/нуклон, разрабатываемого в НИЯУ МИФИ и предназначенного для научного и прикладного назначения. Рассмотрены вопросы комплексного влияния геометрии трубок дрейфа и геометрии опоры трубок дрейфа на величину напряженности поля на поверхности резонаторов, величину мощности потерь в стенках резонаторов и распределение ускоряющего поля на оси с учетом влияния точности разбиения сеткой в ходе моделирования.</p></abstract><trans-abstract xml:lang="en"><p>Results of calculations of the electrodynamic characteristics of short five-gap accelerating cavities of the IH type are presented. The cavities are designed for a linear accelerator of protons and light ions with a charge-to-mass ratio A/Z ranging from 1 to 3.5. Developed at National Research Nuclear University MEPhI, this accelerator, which is designed as a source of charged particles with a beam energy of 7.5MeV/nucleon, is intended for basic and applied research. The issues of the complex influence of the geometry of the drift tubes and the geometry of the drift tube support on the magnitude of the field strength on the surface of the resonators, the power losses in the walls of the resonators, and the distribution of the accelerating field on the axis are considered, taking into account the influence of the accuracy of segmenting in simulation.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>структура IH-типа</kwd><kwd>IH полость</kwd><kwd>IH-DTL</kwd></kwd-group><kwd-group xml:lang="en"><kwd>interdigital H-type structure</kwd><kwd>IH cavity</kwd><kwd>IH-DTL</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">Nolen J.A. et al. Argonne National Laboratory Report No. ATLAS-99-1. 1999.</mixed-citation><mixed-citation xml:lang="en">Nolen J.A. et al. 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