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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/S2079562922010109</article-id><article-id custom-type="elpub" pub-id-type="custom">npe-268</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>Математическое моделирование в ядерных технологиях</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Mathematical Modeling in Nuclear Technologies</subject></subj-group></article-categories><title-group><article-title>Расчет пороговых уровней мультипакторного разряда в однозазорном группирователе на частоту 80 мгц</article-title><trans-title-group xml:lang="en"><trans-title>Multipactor Discharge in the Single Gap Bunchers at 80 MHz</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>Булгачева</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Bulgacheva</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва, 115409</p></bio><bio xml:lang="en"><p>Moscow, 115409</p></bio><email xlink:type="simple">margaritabulgacheva@gmail.com</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>Гусарова</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Gusarova</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва, 115409</p></bio><bio xml:lang="en"><p>Moscow, 115409</p></bio><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>2022</year></pub-date><pub-date pub-type="epub"><day>04</day><month>05</month><year>2024</year></pub-date><volume>13</volume><issue>4</issue><fpage>331</fpage><lpage>334</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Булгачева М.М., Гусарова М.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Булгачева М.М., Гусарова М.А.</copyright-holder><copyright-holder xml:lang="en">Bulgacheva M.M., Gusarova M.A.</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/268">https://npe.elpub.ru/jour/article/view/268</self-uri><abstract><p>В статье приведены результаты расчета пороговых уровней напряженности электрического поля, при которых возможно развитие мультипакторного разряда в однозазорном группирователе на частоту 80 МГц. Рассмотрены два вида геометрии зазора с расширением от 18 до 25 мм и с расширением от 18 до 80 мм. Представлены результаты моделирования мультипакторного разряда с использованием программы MultP-M.</p></abstract><trans-abstract xml:lang="en"><p>The results of calculating the threshold voltage levels causing multipactor discharge in single-gap buncher cavities at 80 MHz are presented in the article. Two types of gap geometry with an extension from 18 to 25 mm and with an extension from 18 to 80 mm are considered. The results of modeling a multipactor discharge using the MultP-M program are presented.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>мультипакторный разряд</kwd><kwd>однозазорный группирователь</kwd></kwd-group><kwd-group xml:lang="en"><kwd>multipactor discharge</kwd><kwd>single-gap buncher</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">Brown S. 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