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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-383</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>***</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>***</subject></subj-group></article-categories><title-group><article-title>ДЕТАЛЬНОЕ ИССЛЕДОВАНИЕ НЕКОТОРЫХ ЭЛЕКТРОННЫХ ПЕРЕХОДОВ МОЛЕКУЛЫ BaD ДЛЯ АСТРОФИЗИЧЕСКИХ ПРИМЕНЕНИЙ</article-title><trans-title-group xml:lang="en"><trans-title>A DETAILED INVESTIGATION OF CERTAIN ELECTRONIC TRANSITIONS OF THE BaD MOLECULE FOR ASTROPHYSICAL APPLICATIONS</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>Shanmugapriya</surname><given-names>G. .</given-names></name><name name-style="western" xml:lang="en"><surname>Shanmugapriya</surname><given-names>G. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Karthikeyan</surname><given-names>B. .</given-names></name><name name-style="western" xml:lang="en"><surname>Karthikeyan</surname><given-names>B. .</given-names></name></name-alternatives><email xlink:type="simple">karthi.madhubalan@gmail.com</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>Rajamanickam</surname><given-names>N. .</given-names></name><name name-style="western" xml:lang="en"><surname>Rajamanickam</surname><given-names>N. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>El-Kork</surname><given-names>N. .</given-names></name><name name-style="western" xml:lang="en"><surname>El-Kork</surname><given-names>N. .</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Колледж для женщин; Университет Бхаратиар</institution></aff><aff xml:lang="en"><institution>VVV College for Women; Bharathiar University, Research and Development Centre</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Инженерный колледж Mepco Schlenk</institution></aff><aff xml:lang="en"><institution>Mepco Schlenk Engineering College</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Колледж VHNSN</institution></aff><aff xml:lang="en"><institution>VHNSN College, Physics Research Centre</institution></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Университет науки и технологии Халифы</institution></aff><aff xml:lang="en"><institution>Khalifa University of Science and Technology</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>86</volume><issue>1</issue><elocation-id>156(1)-156(8)</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Shanmugapriya G..., Karthikeyan B..., Rajamanickam N..., El-Kork N..., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Shanmugapriya G..., Karthikeyan B..., Rajamanickam N..., El-Kork N...</copyright-holder><copyright-holder xml:lang="en">Shanmugapriya G..., Karthikeyan B..., Rajamanickam N..., El-Kork N...</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://zhps.ejournal.by/jour/article/view/383">https://zhps.ejournal.by/jour/article/view/383</self-uri><abstract><p>Спектроскопические и колебательно-вращательные константы, факторы Франка-Кондона и r-центроиды для системы полос A2Π1/2-X2Σ, A2Π3/2-X2Σ, B2Σ-X2Σ, E2Π1/2-X2Σ, E2Π3/2-X2Σ, F2Σ-X2Σ и L2Π-X2Σ молекулы дейтерида бария (BaD) рассчитаны с использованием методов численного интегрирования. Обсуждается важность полученных факторов Франка-Кондона и r-центроид для физических и астрофизических приложений. Из расчетов следует, что влияние колебательно-вращательного взаимодействия на факторы Франка-Кондона несущественно для вращательных квантовых чисел J &lt; 50. Для более высоких J, например J = 100, наблюдаются небольшие изменения факторов Франка-Кондона из-за эффекта колебательно-вращательного взаимодействия. </p></abstract><trans-abstract xml:lang="en"><p>The spectroscopic and ro-vibrational constants, FCFs and r-centroids have been evaluated in the present study for A2Π1/2-X2Σ, A2Π3/2-X2Σ, B2Σ-X2Σ, E2Π1/2-X2Σ, E2Π3/2-X2Σ, F2Σ-X2Σ, and L2Π-X2Σ band systems of the barium deuteride (BaD) molecule by adopting a reliable numerical integration procedure. The physical and astrophysical significances of the evaluated FCFs and r-centroids are discussed for all these band systems. The effect of vibration rotation interaction (VRI) on FCFs for the bands of the chosen band systems of BaD molecule is also studied. It is found from the results that the effect of VRI on FCFs is not so significant for the rotational quantum number (J) up to J = 50. For higher values of J like J = 100, there is a slight change in the value of FCFs due to the VRI effect.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>молекула BaD</kwd><kwd>факторы Франка-Кондона</kwd><kwd>r-центроиды</kwd><kwd>эффект колебательно-вращательного взаимодействия</kwd><kwd>небесный объект</kwd><kwd>BaD molecule</kwd><kwd>Franck-Condon factors</kwd><kwd>r-centroids</kwd><kwd>VRI effect</kwd><kwd>Celestial environment</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">G. 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