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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/S2079562922030423</article-id><article-id custom-type="elpub" pub-id-type="custom">npe-304</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>Инженерное проектирование ядерно-физической аппаратуры</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Engineering Design of Nuclear Physical Equipment</subject></subj-group></article-categories><title-group><article-title>3D визуализация гамма-источников в ОФЭКТ с помощью детекторов Timepix и кодирующих апертур</article-title><trans-title-group xml:lang="en"><trans-title>3D Visualization of Radiotracers for SPECT Imaging using a Timepix Detector with a Coded Aperture</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>Рожков</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Rozhkov</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>141980; Московская обл.; Дубна</p></bio><bio xml:lang="en"><p>141980; Moscow obl.; Dubna</p></bio><email xlink:type="simple">rozhkov@jinr.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>Жемчугов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhemchugov</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>141980; Московская обл.; Дубна</p></bio><bio xml:lang="en"><p>141980; Moscow obl.; Dubna </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>Лейва</surname><given-names>А.</given-names></name><name name-style="western" xml:lang="en"><surname>Leyva</surname><given-names>А.</given-names></name></name-alternatives><bio xml:lang="ru"><p>141980; Московская обл.; Дубна; Куба; Гавана</p></bio><bio xml:lang="en"><p>141980; Moscow obl.; Dubna; Cuba; Havana</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Смолянский</surname><given-names>П. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Smolyanskiy</surname><given-names>P. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>141980; Московская обл.; Дубна</p></bio><bio xml:lang="en"><p>141980; Moscow obl.; Dubna </p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Объединенный институт ядерных исследований</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Joint Institute for Nuclear Research</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Объединенный институт ядерных исследований; Центр прикладных технологий и ядерного развития</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Joint Institute for Nuclear Research; Center of Technological Applications and Nuclear Development</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>13</day><month>05</month><year>2024</year></pub-date><volume>13</volume><issue>3</issue><fpage>299</fpage><lpage>303</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Рожков В.А., Жемчугов А.С., Лейва А., Смолянский П.И., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Рожков В.А., Жемчугов А.С., Лейва А., Смолянский П.И.</copyright-holder><copyright-holder xml:lang="en">Rozhkov V.A., Zhemchugov A.S., Leyva А., Smolyanskiy P.I.</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/304">https://npe.elpub.ru/jour/article/view/304</self-uri><abstract><p>   Представлена система микро-ОФЭКТ с пространственным разрешением 2.5 мм, для поля зрения 57 × 57 мм, продемонстрированы результаты томографической реконструкции калибровочных фантомов с раствором Tc-99m. Приведено описание конструкции фантомов, которые могут быть использованы для проведения оценки качества работоспособности системы ОФЭКТ с малым полем зрения.</p></abstract><trans-abstract xml:lang="en"><p>   The micro-SPECT system with 2.5 mm spatial resolution, for a field of view of 57 × 57 mm, is presented, the results of tomographic reconstruction of calibration phantoms with Tc-99m solution are demonstrated. A description of the phantoms design that can be used to assess the quality of the SPECT system with a small field of view is given.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ОФЭКТ</kwd><kwd>Tc-99m</kwd><kwd>Timepix</kwd><kwd>CdTe</kwd><kwd>кодирующая апертура</kwd><kwd>фантомы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>SPECT</kwd><kwd>Tc-99m</kwd><kwd>Timepix</kwd><kwd>CdTe</kwd><kwd>coded aperture</kwd><kwd>phantoms</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Данное исследование было выполнено при поддержке РФФИ и СИТМА, в рамках проекта № 18-52-34005</funding-statement><funding-statement xml:lang="en">This research was carried out with the support of the Russian Foundation for Basic Research and SITMA, within the framework of project No. 18-52-34005</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Quality Assurance for SPECT Systems. 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