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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">10.1134/S2079562920040156</article-id><article-id custom-type="elpub" pub-id-type="custom">npe-62</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>Сечение поглощения нейтрино ядрами галлия-71</article-title><trans-title-group xml:lang="en"><trans-title>Cross Section Of Neutrino Absorption By Galluium-71 Nuclei</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>Семенов</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Semenov</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>123182; пл. Академика Курчатова 1; Москва</p></bio><bio xml:lang="en"><p>123182; Academician Kurchatov Sq. 1; Moscow</p></bio><email xlink:type="simple">Semenov_SV@nrcki.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский центр “Курчатовский Институт”</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Centre “Kurchatov Institute”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>22</day><month>04</month><year>2024</year></pub-date><volume>11</volume><issue>4</issue><fpage>208</fpage><lpage>211</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Семенов С.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Семенов С.В.</copyright-holder><copyright-holder xml:lang="en">Semenov S.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/62">https://npe.elpub.ru/jour/article/view/62</self-uri><abstract><p>   Рассматривается взаимодействие нейтрино, излучаемых искусственными источниками, изотопами 37Ar, 51Cr, 65Zn, с ядрами галлия-71, что представляет интерес для калибровочных экспериментов, направленных на обнаружение стерильных нейтрино. Сечение поглощения нейтрино рассчитывается с учетом новых экспериментальных результатов по измерению величины порога реакции. На основе данных, полученных при изучении реакции перезарядки, проводится оценка вкладов в сечение возбужденных состояний германия-71.</p></abstract><trans-abstract xml:lang="en"><p>   The cross sections of neutrino absorption by the gallium-71 nucleus are obtained for neutrinos from artificial 37Ar, 51Cr, and 65Zn sources. The calculations rely on the new measurement of the energy threshold of this absorption reaction, and contributions of germanium-71 excited states to the total cross section are estimated by invoking the data on the 71Ga(3He,t)71Ge charge-exchange reaction. The results are important for searches for sterile neutrinos in calibration experiments.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>искусственные источники нейтрино</kwd><kwd>сечение поглощения нейтрино</kwd><kwd>реакция перезарядки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>artificial neutrino source</kwd><kwd>neutrino absorption cross section</kwd><kwd>charge-exchange reaction</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">Kuzmin V.A. // Sov. Phys. JETP. 1966. V. 22. P. 1051.</mixed-citation><mixed-citation xml:lang="en">Kuzmin V.A. // Sov. Phys. JETP. 1966. V. 22. P. 1051.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Frekers D., Adachi T., Akimune H. et al. // Phys. Rev. C. 2015. V. 91. 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