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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/S2079562922010079</article-id><article-id custom-type="elpub" pub-id-type="custom">npe-25</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>ПРОЕКТИРОВАНИЕ И ИССЛЕДОВАНИЕ ФИЗИЧЕСКИХ СВОЙСТВ РЕЗОНАТОРНОГО ДАТЧИКА ПОЛОЖЕНИЯ ПУЧКА ДЛЯ EuPRAXIA@SPARC_LAB</article-title><trans-title-group xml:lang="en"><trans-title>Design and Studying Physical Properties of Cavity BPM Pickup for EuPRAXIA@SPARC_LAB</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>Биланишвили</surname><given-names>Ш.</given-names></name><name name-style="western" xml:lang="en"><surname>Bilanishvili</surname><given-names>S.</given-names></name></name-alternatives><email xlink:type="simple">Shalva.Bilanishvili@kiu.edu.ge</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Кутаисский международный университет, Кутаиси, 4600 Грузия</institution><country>Грузия</country></aff><aff xml:lang="en"><institution>Kutaisi International University, Kutaisi, 4600 Georgia</institution><country>Georgia</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>24</day><month>10</month><year>2023</year></pub-date><volume>13</volume><issue>2</issue><fpage>150</fpage><lpage>154</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Биланишвили Ш., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Биланишвили Ш.</copyright-holder><copyright-holder xml:lang="en">Bilanishvili S.</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/25">https://npe.elpub.ru/jour/article/view/25</self-uri><abstract><p>EuPRAXIA@SPARC_LAB [1, 2] предоставит в LNF уникальную комбинацию, предлагающую три различных варианта: электронный пучок высокой яркости с энергией 1 ГэВ, генерируемый в новом высокочастотном линейном ускорителе X-диапазона; лазерная система класса PW; компактный источник света, управляемый непосредственно плазменным ускорителем. Лазер на свободных электронах (FEL) с плазменным и обычным высокочастотным линейным ускорителем обеспечивает пучок с параметрами в диапазоне зарядов 30–200 пКл, частоте повторения 10–100 Гц и энергии электронов 1 ГэВ. Контроль заряда и отслеживание траектории на уровне нескольких пикокулон и нескольких микрометров является обязательным в этой машине. В частности, в области взаимодействия с плазмой, где требуется разрешение датчика менее чем 1 мкм. В качестве возможного решения предлагается резонаторный датчик положения пучка (cBPM) [<xref ref-type="bibr" rid="cit3">3</xref>]. Создан прототип в диапазоне частот C-диапазона. Модель датчика был оптимизирован для работы с малозарядными и единичными сгустками, чтобы соответствовать требованиям проекта. Здесь представлен процесс достижения требуемых характеристик. Моделирование проводилось для изучения радиочастотных свойств и электромагнитного отклика устройства.</p></abstract><trans-abstract xml:lang="en"><p>EuPRAXIA@SPARC_LAB [1, 2] will make available at LNF a unique combination offering three different options: a high-brightness electron beam with 1 GeV energy generated in a novel X-band RF linac; a PW-class laser system; a compact light source directly driven by a plasma accelerator. Plasma and conventional RF linac driven FEL provide beam with parameters of 30–200 pC charge range, 10–100 Hz repetition rate, and 1 GeV electron energy. The control of the charge and the trajectory monitoring at a few picocoulomb and a few micrometers is mandatory in this machine. Particularly in the plasma interaction region, where the pickup resolution under 1 μm is required. As a possible solution, a cavity beam position monitor (cBPM) is proposed [<xref ref-type="bibr" rid="cit3">3</xref>]. A prototype in the C-band frequency range has been designed. The pickup was optimized for low charge and single-shot bunches to meet the project requirements. Here is presented the process to achieve the required specifications. The simulations were performed to study RF properties and the electromagnetic response of the device.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>резонаторный датчик положения пучка</kwd><kwd>аппаратура</kwd><kwd>электромагнитное моделирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cavity beam position monitors</kwd><kwd>instrumentation</kwd><kwd>electromagnetic simulations</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">&lt;em&gt;Ferrario M. et al.&lt;/em&gt; // Nucl. Instrum. Methods Phys. Res., Sect. A. 2018. V. 909. P. 134. https://doi.org/10.1016/j.nima.2018.01.094</mixed-citation><mixed-citation xml:lang="en">&lt;em&gt;Ferrario M. et al.&lt;/em&gt; // Nucl. Instrum. Methods Phys. 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