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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">10.52676/1729-7885-2025-2-110-117</article-id><article-id custom-type="elpub" pub-id-type="custom">nuc-823</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>РАСЧЕТНОЕ ИССЛЕДОВАНИЕ ВЗАИМОДЕЙСТВИЯ ПРОТОНОВ С ФОЛЬГАМИ МИШЕННОГО УСТРОЙСТВА ЦИКЛОТРОНА</article-title><trans-title-group xml:lang="en"><trans-title>CALCULATED STUDY OF PROTON INTERACTION WITH FOILS OF THE CYCLOTRON TARGET DEVICE</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8802-1559</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хажидинова</surname><given-names>А. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Khazhidinova</surname><given-names>A. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Семей</p></bio><bio xml:lang="en"><p>Semey</p></bio><email xlink:type="simple">khazhidinova1991@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-9900-4111</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хажидинов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Khazhidinov</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Семей</p></bio><bio xml:lang="en"/><email xlink:type="simple">khazhidinov@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Степанова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Stepanova</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Семей</p></bio><bio xml:lang="en"><p>Semey</p></bio><email xlink:type="simple">aug11@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1677-8023</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ермоленко</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Yermolenko</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Семей</p></bio><bio xml:lang="en"><p>Semey</p></bio><email xlink:type="simple">tehfiz@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Некоммерческое акционерное общество «Шәкәрім университет»<country>Казахстан</country></aff><aff xml:lang="en">Non-profit joint-stock company “Shakarim University”<country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Коммунальное государственное предприятие на праве хозяйственного ведения «Центр ядерной медицины и онкологии» управления здравоохранения области Абай<country>Казахстан</country></aff><aff xml:lang="en">“Center of Nuclear Medicine and Oncology” Department of Healthcare of Abai Region<country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>14</day><month>07</month><year>2025</year></pub-date><volume>0</volume><issue>2</issue><fpage>110</fpage><lpage>117</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хажидинова А.Р., Хажидинов А.С., Степанова О.А., Ермоленко М.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Хажидинова А.Р., Хажидинов А.С., Степанова О.А., Ермоленко М.В.</copyright-holder><copyright-holder xml:lang="en">Khazhidinova A.R., Khazhidinov A.S., Stepanova O.A., Yermolenko M.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://journals.nnc.kz/jour/article/view/823">https://journals.nnc.kz/jour/article/view/823</self-uri><abstract><p>В статье исследован процесс взаимодействия протонов с фольгами держателя мишени циклотрона. Исследование проводилось с помощью расчетной программы SRIM, в которой была создана трехслойная модель держателя фольг мишени циклотрона. Мишень бомбардировалась протонами с энергией 18 МэВ при нормальном падении, количество протонов равнялось 300102. В расчете не учитывались ядерные реакции. В результате проведенных исследований установлено, что на 300100 протонов, пролетевших через всю модель, приходится 2 обратно рассеянных протона. Представлены результаты распределения протонов вдоль расчетной модели и в поперечном сечении в конце модели. Результаты проведенных исследований позволяют оценить пространственное и энергетическое распределение протонов в держателе фольг мишени циклотрона, что можно использовать для оптимизации процесса облучения обогащенной воды операторами циклотрона. Полученные результаты могут служить основой для дальнейших исследований, направленных на оценку степени усталости фольг мишени и разработку рекомендаций по частоте их замены при техническом обслуживании.</p></abstract><trans-abstract xml:lang="en"><p>The article studies the process of interaction of protons with the foils of the cyclotron target holder. The study was conducted using the SRIM calculation program, in which a three-layer model of the cyclotron target foil holder was created. The target was bombarded with 18 MeV protons at normal incidence, the number of protons was 300102. Nuclear reactions were not taken into account in the calculation. As a result of the conducted studies, it was found that for every 300100 protons that flew through the entire model, there were 2 backscattered protons. The results of the proton distribution along the calculation model and in the cross section at the end of the model are presented. The results of the conducted studies allow us to estimate the spatial and energy distribution of protons in the cyclotron target foil holder, which can be used to optimize the enriched water irradiation process by cyclotron operators. The obtained results can serve as a basis for further research aimed at assessing the fatigue level of target foils and developing recommendations for their replacement frequency during maintenance.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>циклотрон</kwd><kwd>мишень</kwd><kwd>протоны</kwd><kwd>пучок</kwd><kwd>фольги</kwd><kwd>распределение протонов</kwd><kwd>вакансии</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cyclotron</kwd><kwd>target</kwd><kwd>protons</kwd><kwd>beam</kwd><kwd>foils</kwd><kwd>proton distribution</kwd><kwd>vacancies</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">КГП на ПХВ «Центр ядерной медицины и онкологии» [Электронный ресурс] / Управление здравоохранения области Абай. – Режим доступа: https://semeyonco.kz/ru/ (дата обращения: 07.03.2025).</mixed-citation><mixed-citation xml:lang="en">1 КГП на ПХВ «Центр ядерной медицины и онкологии» [Электронный ресурс] / Управление здравоохранения области Абай. – Режим доступа: https://semeyonco.kz/ru/ (дата обращения: 07.03.2025).</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">The Stopping and Range of Ions in Matter (SRIM) [Электронный ресурс]. – Режим доступа: http://www.srim.org/ (дата обращения: 09.03.2025).</mixed-citation><mixed-citation xml:lang="en">2 The Stopping and Range of Ions in Matter (SRIM) [Электронный ресурс]. – Режим доступа: http://www.srim.org/ (дата обращения: 09.03.2025).</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Sun Y., Diao S.Z., Liu P.P., Zhan Q., Wan F.R. 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