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    <title>Design and optimisation of accelerating cavity and higher-order mode couplers for the W, H and ttbar operating points of the Future Circular Lepton Collider</title>
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    <title>top and anti-top quarks</title>
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    <namePart>Udongwo, Sosoho-Abasi</namePart>
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  <abstract type="Summary">The Future Circular Lepton Collider (FCC-ee) needs advanced Superconducting RF cavities and Higher-Order Mode (HOM) couplers for the W, H, and ttbar energy points. This thesis focuses on the design and optimisation of accelerating cavities and HOM couplers tailored to the specific requirements of the W, H, and ttbar FCC-ee operating points. Numerical techniques, including electromagnetic simulations and sensitivity analysis, are employed to refine cavity geometries and optimise HOM damping.&lt;eng&gt;</abstract>
  <abstract type="Summary">Der Future Circular Lepton Collider (FCC-ee) benötigt fortschrittliche supraleitende HF-Kavitäten und Koppler für höhere Moden für die Energiepunkte W, H und ttbar. Diese Arbeit konzentriert sich auf das Design und die Optimierung von Beschleunigungskavitäten und HOM-Kopplern, die auf die spezifischen Anforderungen der FCC-ee-Betriebspunkte W, H und ttbar zugeschnitten sind. Zur Verfeinerung der Kavitätengeometrien und zur Optimierung der HOM-Dämpfung werden numerische Techniken eingesetzt, einschließlich elektromagnetischer Simulationen und Sensitivitätsanalysen.&lt;ger&gt;</abstract>
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  <note type="statement of responsibility">vorgelegt von Sosoho-Abasi Udongwo</note>
  <note>GutachterInnen: Ursula van Rienen (University of Rostock) ; Herbert De Gersem (University of Darmstadt) ; Rama Calaga (CERN)</note>
  <note type="thesis">Dissertation Universität Rostock 2025</note>
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      <title>Design and optimisation of accelerating cavity and higher-order mode couplers for the W, H and ttbar operating points of the Future Circular Lepton Collider</title>
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    <originInfo>
      <publisher>Rostock : Universität Rostock, 2025</publisher>
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    <note>Druck-Ausgabe</note>
    <identifier type="local">(DE-627)1971188875</identifier>
    <name>
      <namePart>Udongwo, Sosoho-Abasi, 1994 - </namePart>
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  <identifier type="urn">urn:nbn:de:gbv:28-rosdok_id00005526-5</identifier>
  <identifier type="doi">10.18453/rosdok_id00005526</identifier>
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