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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">vestifm</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-математических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-2430</issn><issn pub-type="epub">2524-2415</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-2430-2022-58-3-327-336</article-id><article-id custom-type="elpub" pub-id-type="custom">vestifm-670</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>ФИЗИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICS</subject></subj-group></article-categories><title-group><article-title>Измерение параметров омега-мезона с детектором КМД-3 на электрон-позитронном коллайдере ВЭПП-2000</article-title><trans-title-group xml:lang="en"><trans-title>The measurement of the omega meson parameters with the CMD-3 detector at the electron-positron collider VEPP-2000</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1193-5237</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Василевская</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Vasileuskaya</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Василевская Дарья Сергеевна – младший научный сотрудник</p><p>пр. Независимости, 68-2, 220072, Минск</p></bio><bio xml:lang="en"><p>Darya S. Vasileuskaya – Junior Researcher</p><p>68-2, Nezavisimosti Ave., 220072, Minsk</p></bio><email xlink:type="simple">d.vasilevskaya@dragon.bas-net.by</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>Григорьев</surname><given-names>Д. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Grigoriev</surname><given-names>D. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Григорьев Дмитрий Николаевич – кандидат физико-математических наук, заведующий лабораторией; заведующий лабораторией; доцент</p><p>пр. К. Маркса, 20, 630073, Новосибирск; пр. Академика Лаврентьева, 11, 630090, Новосибирск; ул. Пирогова, 2, 630090, Новосибирск</p></bio><bio xml:lang="en"><p>Dmitry N. Grigoriev – Ph. D. (Physics and Mathematics), Head of Laboratory; Head of Laboratory; Associate Professor</p><p>20, K. Marksa Ave., 630073, Novosibirsk; 2, Pirogova Str., Novosibirsk, Russia, 630090; 2, Pirogova Str., 630090, Novosibirsk</p></bio><email xlink:type="simple">d.n.grigoriev@inp.nsk.su</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>Иванов</surname><given-names>В. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanov</surname><given-names>V. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иванов Вячеслав Львович – научный сотрудник; преподаватель кафедры общей физики</p><p>ул. Пирогова, 2, 630090, Новосибирск; пр. Академика Лаврентьева, 11, 630090, Новосибирск</p></bio><bio xml:lang="en"><p>Vyacheslav L. Ivanov – Researcher; Lecturer</p><p>2, Pirogova Str., 630090, Novosibirsk; 11, Akademika Lavrentieva Ave., 630090, Novosibirsk</p></bio><email xlink:type="simple">vyacheslav_lvovich_ivanov@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Казанин</surname><given-names>В. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Kazanin</surname><given-names>V. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Казанин Василий Федорович – старший научный сотрудник; старший преподаватель кафедры общей физики</p><p>ул. Пирогова, 2, 630090, Новосибирск; пр. Академика Лаврентьева, 11, 630090, Новосибирск</p></bio><bio xml:lang="en"><p>Vasily F. Kazanin – Senior Researcher; Senior Lecturer</p><p>2, Pirogova Str., 630090, Novosibirsk; 11, Akademika Lavrentieva Ave., 630090, Novosibirsk</p></bio><email xlink:type="simple">v.kazanine@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Козырев</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kozyrev</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Козырев Алексей Николаевич – научный сотрудник; преподаватель кафедры общей физики,</p><p>ул. Пирогова, 2, 630090, Новосибирск; пр. Академика Лаврентьева, 11, 630090, Новосибирск</p></bio><bio xml:lang="en"><p>Aleksey N. Kozyrev – Researcher; Lecturer</p><p>2, Pirogova Str., 630090, Novosibirsk; 11, Akademika Lavrentieva Ave., 630090, Novosibirsk</p></bio><email xlink:type="simple">AKozyrev@inp.nsk.su</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рубан</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ruban</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рубан Александр Анатольевич – старший научный сотрудник ; преподаватель кафедры общей физики</p><p>ул. Пирогова, 2, 630090, Новосибирск; пр. Академика Лаврентьева, 11, 630090, Новосибирск</p></bio><bio xml:lang="en"><p>Aleksandr A. Ruban – Senior Researcher; Lecturer</p><p>2, Pirogova Str., 630090, Novosibirsk; 11, Akademika Lavrentieva Ave., 630090, Novosibirsk</p></bio><email xlink:type="simple">ruban@inp.nsk.su</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рыжененков</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryzhenenkov</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рыжененков Артем Евгеньевич – младший научный сотрудник; старший преподаватель кафедры общей физики</p><p>ул. Пирогова, 2, 630090, Новосибирск; пр. Академика Лаврентьева, 11, 630090, Новосибирск</p></bio><bio xml:lang="en"><p>Artem E. Ryzhenenkov – Junior Researcher; SeniorLecturer</p><p>2, Pirogova Str., 630090, Novosibirsk; 11, Akademika LavrentievaAve., 630090, Novosibirsk</p></bio><email xlink:type="simple">a.e.ryzhenenkov@inp.nsk.su</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Толмачев</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Tolmachev</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Толмачев Сергей Сергеевич – младший научныйсотрудник; ассистент кафедры теоретической физики</p><p>ул. Пирогова, 2, 630090, Новосибирск; пр. Академика Лаврентьева, 11, 630090, Новосибирск</p></bio><bio xml:lang="en"><p>Sergey S. Tolmachev – Junior Researcher; Assistant</p><p>2, Pirogova Str., 630090, Novosibirsk;  11, Akademika LavrentievaAve., 630090, Novosibirsk</p></bio><email xlink:type="simple">s.s.tolmachev@inp.nsk.su</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федотович</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedotovich</surname><given-names>G. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Федотович Геннадий Васильевич – доктор физико-математических наук, главный научный сотрудник; профессор, заведующий кафедрой физики </p><p>ул. Пирогова, 2, 630090, Новосибирск; пр. Академика Лаврентьева, 11, 630090, Новосибирск</p></bio><bio xml:lang="en"><p>Gennady V. Fedotovich – Dr. Sc. (Physics and Mathematics), Chief Researcher; Professor, Head of the Physics Department of PF and SUNC NSU</p><p>2, Pirogova Str., 630090, Novosibirsk; 11, Akademika Lavrentieva Ave., 630090, Novosibirsk</p></bio><email xlink:type="simple">fedotovich@inp.nsk.su</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шемякин</surname><given-names>Д. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Shemyakin</surname><given-names>D. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шемякин Дмитрий Николаевич – научный сотрудник; старший преподаватель кафедры общей физики</p><p>ул. Пирогова, 2, 630090, Новосибирск; пр. Академика Лаврентьева, 11, 630090, Новосибирск</p></bio><bio xml:lang="en"><p>Dmitry N. Shemyakin – Researcher; Senior Lecturer</p><p>2, Pirogova Str., 630090, Novosibirsk; 11, Akademika Lavrentieva Ave., 630090, Novosibirsk</p></bio><email xlink:type="simple">dimnsh@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шёлковый</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shoukavy</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шёлковый Дмитрий Викторович – кандидат физико-математических наук, ведущий научный сотрудник</p><p>пр. Независимости, 68-2, 220072, Минск</p></bio><bio xml:lang="en"><p>Dzmitry V. Shoukavy – Ph. D. (Physics and Mathematics), Leading Researcher</p><p>68-2, Nezavisimosti Ave., 220072, Minsk</p></bio><email xlink:type="simple">shoukavy@ifanbel.bas-net.by</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>Эпштейн</surname><given-names>Л. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Epshteyn</surname><given-names>L. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Эпштейн Леонид Борисович – научный сотрудник; научный сотрудник; старший преподаватель</p><p>пр. К. Маркса, 20, 630073, Новосибирск; пр. АкадемикаЛаврентьева, 11, 630090, Новосибирск; ул. Пирогова, 2, 630090, Новосибирск</p></bio><bio xml:lang="en"><p>Leonid В. Epshteyn – Researcher; Researcher; Senior Lecturer</p><p>20, K. Marks Ave., 630073, Novosibirsk; 11, Akademika Lavrentieva Ave., 630090, Novosibirsk; 2, Pirogova Str., 630090, Novosibirsk</p></bio><email xlink:type="simple">l.b.epshteyn@inp.nsk.su</email><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики имени Б. И. Степанова Национальной академии наук Беларуси</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт ядерной физики имени Г. И. Будкера Сибирского отделения Российской академии наук; Новосибирский государственный университет; Новосибирский государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sсiences; Novosibirsk State Technical University; Novosibirsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт ядерной физики имени Г. И. Будкера Сибирского отделения Российской академии наук; Новосибирский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sсiences; Novosibirsk State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Институт ядерной физики имени Г. И. Будкера Сибирского отделения Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sсiences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>Институт ядерной физики имени Г. И. Будкера Сибирского отделения Российской академии наук; Новосибирский государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sсiences; Novosibirsk State University</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>10</month><year>2022</year></pub-date><volume>58</volume><issue>3</issue><fpage>327</fpage><lpage>336</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Василевская Д.С., Григорьев Д.Н., Иванов В.Л., Казанин В.Ф., Козырев А.Н., Рубан А.А., Рыжененков А.Е., Толмачев С.С., Федотович Г.В., Шемякин Д.Н., Шёлковый Д.В., Эпштейн Л.Б., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Василевская Д.С., Григорьев Д.Н., Иванов В.Л., Казанин В.Ф., Козырев А.Н., Рубан А.А., Рыжененков А.Е., Толмачев С.С., Федотович Г.В., Шемякин Д.Н., Шёлковый Д.В., Эпштейн Л.Б.</copyright-holder><copyright-holder xml:lang="en">Vasileuskaya D.S., Grigoriev D.N., Ivanov V.L., Kazanin V.F., Kozyrev A.N., Ruban A.A., Ryzhenenkov A.E., Tolmachev S.S., Fedotovich G.V., Shemyakin D.N., Shoukavy D.V., Epshteyn L.B.</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://vestifm.belnauka.by/jour/article/view/670">https://vestifm.belnauka.by/jour/article/view/670</self-uri><abstract><p>Измерено сечение процесса e+ e– → π+ π– π0 в области энергий ω-мезона с использованием интегральной светимости 40 пб–1, набранной детектором КМД-3 на электрон-позитронном коллайдере ВЭПП-2000 в 2013–2018 гг. Параметры ω-мезона: Mω = 782,67 ± 0,01 ± 0,1 МэВ, Γω = 8,56 ± 0,02 ± 0,07 МэВ, σ0(ω → π+ π– π) = = 1629 ± 3 ± 36 нб получены с точностью, сопоставимой и даже превышающей предыдущие эксперименты</p></abstract><trans-abstract xml:lang="en"><p>The cross section of the process e+ e– → π+ π– π0 was measured with the CMD-3 detector at the electron-positron collider VEPP-2000 in the ω meson energy region based on the data collected in 2013–2018 and corresponding to an integrated luminosity of 40 pb–1. The parameters of the ω-meson: Mω = 782.67 ± 0.01 ± 0.1 MeV, Γω = 8.56 ± 0.02 ± 0.07 MeV, σ0(ω → π+ π– π) = 1629 ± 3 ± 36 nb with the precision match or even exceeding the previous data are obtained.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>физика элементарных частиц</kwd><kwd>процесс e+ e– → π+ π– π0</kwd><kwd>борновское сечение</kwd><kwd>детектор КМД-3</kwd><kwd>параметры ω-мезона</kwd></kwd-group><kwd-group xml:lang="en"><kwd>elementary particle physics</kwd><kwd>process e + e– → π+ π– π0</kwd><kwd>Born cross section</kwd><kwd>CMD-3 detector</kwd><kwd>ω-meson parameters</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">Measurement of the Positive Muon Anomalous Magnetic Moment to 0.46 ppm / B. Abi [et al.] (Muon g – 2 Collaboration) // Phys. Rev. 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