<?xml version="1.0" encoding="UTF-8" standalone="yes"?><add><doc><field name="objectKind">mycoreobject</field><field name="id">rosdok_disshab_0000003545</field><field name="returnId">rosdok_disshab_0000003545</field><field name="objectProject">rosdok</field><field name="objectType">disshab</field><field name="link">rosdok_derivate_0000227355</field><field name="modified">2026-05-18T15:03:58.216Z</field><field name="created">2026-05-18T14:18:14.788Z</field><field name="modifiedby">MCRJANITOR</field><field name="createdby">editorFG</field><field name="state">published</field><field name="derCount">1</field><field name="derivates">rosdok_derivate_0000227355</field><field name="worldReadable">true</field><field name="worldReadableComplete">true</field><field name="category">derivate_types:fulltext</field><field name="allMeta">Volltext</field><field name="allMeta">fulltext</field><field name="allMeta">wf_edit_epub wf_register_epub</field><field name="category">state:published</field><field name="category.top">state:published</field><field name="allMeta">veröffentlicht</field><field name="allMeta">published</field><field name="allMeta">rosdok_id00005526</field><field name="allMeta">1971186139</field><field name="allMeta">Oau</field><field name="allMeta">2026-05-18</field><field name="allMeta">2026-05-18T14:26:42Z</field><field name="allMeta">rda</field><field name="allMeta">Converted from PICA to MODS using Pica2MODS XSLT Transformer 2.14-SNAPSHOT [SCM: "" "" ""] with mode 'DEFAULT'.</field><field name="allMeta">Dissertation</field><field name="allMeta">Hochschulschrift</field><field name="allMeta">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</field><field name="allMeta">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. 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name="allMeta">Englisch</field><field name="allMeta">English</field><field name="allMeta">eng</field><field name="allMeta">eng</field><field name="mods.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</field><field name="mods.title.main">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</field><field name="mods.title.subtitle"></field><field name="mods.nameIdentifier">gnd:1399459570</field><field name="mods.nameIdentifier">orcid:0009-0003-5203-4413</field><field name="mods.nameIdentifier">gnd:115420738</field><field name="mods.nameIdentifier">orcid:0000-0003-1042-2058</field><field name="mods.nameIdentifier">gnd:141561335</field><field name="mods.nameIdentifier">orcid:0000-0003-2709-2518</field><field name="mods.nameIdentifier">gnd:38329-6</field><field name="mods.nameIdentifier">gnd:10085032-7</field><field name="mods.nameIdentifier.top">gnd:1399459570</field><field name="mods.nameIdentifier.top">orcid:0009-0003-5203-4413</field><field name="mods.nameIdentifier.top">gnd:115420738</field><field name="mods.nameIdentifier.top">orcid:0000-0003-1042-2058</field><field name="mods.nameIdentifier.top">gnd:141561335</field><field name="mods.nameIdentifier.top">orcid:0000-0003-2709-2518</field><field name="mods.nameIdentifier.top">gnd:38329-6</field><field name="mods.nameIdentifier.top">gnd:10085032-7</field><doc><field name="id">rosdok_disshab_0000003545-d1319040e54</field><field name="mods.nameIdentifier">gnd:1399459570</field><field name="mods.nameIdentifier">orcid:0009-0003-5203-4413</field><field name="mods.name">Sosoho-Abasi Udongwo</field><field name="mods.name.top">Sosoho-Abasi Udongwo</field></doc><doc><field name="id">rosdok_disshab_0000003545-d1319040e70</field><field name="mods.nameIdentifier">gnd:115420738</field><field name="mods.nameIdentifier">orcid:0000-0003-1042-2058</field><field name="mods.name">Ursula Rienen van</field><field name="mods.name.top">Ursula Rienen van</field></doc><doc><field name="id">rosdok_disshab_0000003545-d1319040e88</field><field name="mods.nameIdentifier">gnd:141561335</field><field name="mods.nameIdentifier">orcid:0000-0003-2709-2518</field><field name="mods.name">Herbert De Gersem</field><field name="mods.name.top">Herbert De Gersem</field></doc><doc><field name="id">rosdok_disshab_0000003545-d1319040e106</field><field name="mods.name">Rama Calaga</field><field name="mods.name.top">Rama Calaga</field></doc><doc><field name="id">rosdok_disshab_0000003545-d1319040e117</field><field name="mods.nameIdentifier">gnd:38329-6</field><field name="mods.name">Universität Rostock</field><field name="mods.name.top">Universität Rostock</field></doc><doc><field name="id">rosdok_disshab_0000003545-d1319040e130</field><field name="mods.nameIdentifier">gnd:10085032-7</field><field name="mods.name">Universität Rostock. Fakultät für Informatik und Elektrotechnik</field><field name="mods.name.top">Universität Rostock. Fakultät für Informatik und Elektrotechnik</field></doc><field name="mods.name">Sosoho-Abasi Udongwo</field><field name="mods.name">Ursula Rienen van</field><field name="mods.name">Herbert De Gersem</field><field name="mods.name">Rama Calaga</field><field name="mods.name">Universität Rostock</field><field name="mods.name">Universität Rostock. Fakultät für Informatik und Elektrotechnik</field><field name="mods.name.top">Sosoho-Abasi Udongwo</field><field name="mods.name.top">Ursula Rienen van</field><field name="mods.name.top">Herbert De Gersem</field><field name="mods.name.top">Rama Calaga</field><field name="mods.name.top">Universität Rostock</field><field name="mods.name.top">Universität Rostock. Fakultät für Informatik und Elektrotechnik</field><field name="mods.author">Sosoho-Abasi Udongwo</field><field name="mods.place">Rostock</field><field name="mods.publisher">Universität Rostock</field><field name="mods.genre">epub.dissertation</field><field name="mods.identifier">https://purl.uni-rostock.de/rosdok/id00005526</field><field name="mods.identifier">urn:nbn:de:gbv:28-rosdok_id00005526-5</field><field name="mods.identifier">10.18453/rosdok_id00005526</field><field name="mods.abstract">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.</field><field name="mods.abstract">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.</field><field name="mods.dateIssued">2025</field><field name="mods.yearIssued">2025</field><field name="mods.note.referee">Ursula van Rienen (University of Rostock) ; Herbert De Gersem (University of Darmstadt) ; Rama Calaga (CERN)</field><field name="mods.note.personal_details">[{"name":"van Rienen, Ursula","affil":"University of Rostock"},{"name":"De Gersem, Herbert","affil":"University of Darmstadt"},{"name":"Calaga, Rama","affil":"CERN"}]</field><field name="mods.note.university_thesis_note">Dissertation, Universität Rostock, 2025</field><field name="mods.note.titlewordindex">top and anti-top quarks</field><field name="mods.note.statement of responsibility">vorgelegt von Sosoho-Abasi Udongwo</field><field name="mods.type">epub.dissertation</field><field name="search_result_link_text">1
        Udongwo_Dissertation_2026.pdf
        
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        rosdok_id000055261971186139Oau2026-05-182026-05-18T14:26:42ZrdaConverted from PICA to MODS using Pica2MODS XSLT Transformer 2.14-SNAPSHOT [SCM: "" "" ""] with mode 'DEFAULT'.DissertationHochschulschriftDesign and optimisation of accelerating cavity and higher-order mode couplers for the W, H and ttbar operating points of the Future Circular Lepton ColliderThe 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.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.Sosoho-AbasiUdongwo1994 -VerfasserInaut13994595700009-0003-5203-4413UrsulaRienenvan1957 -AkademischeR BetreuerIndgs1154207380000-0003-1042-2058HerbertDe Gersem1971 -AkademischeR BetreuerIndgs1415613350000-0003-2709-2518University of DarmstadtRamaCalagaAkademischeR BetreuerIndgsCERN38329-6Universität Rostock1419 - 19761990 -Grad-verleihende Institutiondgg10085032-7Universität Rostock. Fakultät für Informatik und Elektrotechnik2004 -Grad-verleihende Institutiondgghttps://purl.uni-rostock.de/rosdok/id00005526urn:nbn:de:gbv:28-rosdok_id00005526-510.18453/rosdok_id00005526000 Allgemeines, Wissenschaft530 Physik620 Ingenieurwissenschaften und MaschinenbauFakultät für Informatik und ElektrotechnikCC BY 4.0Nutzungsrechte erteiltLizenz Metadaten: CC0frei zugänglich (Open Access)en1 Online-Ressource (xxv, 266 Seiten)202524.04.2025Universität RostockRostockmonographic20252026Universitätsbibliothek RostockRostock2026Universitätsbibliothek Rostockhttps://purl.uni-rostock.de/rosdok/id00005526Ursula van Rienen (University of Rostock) ; Herbert De Gersem (University of Darmstadt) ; Rama Calaga (CERN)[{"name":"van Rienen, Ursula","affil":"University of Rostock"},{"name":"De Gersem, Herbert","affil":"University of Darmstadt"},{"name":"Calaga, Rama","affil":"CERN"}]Dissertation, Universität Rostock, 2025top and anti-top quarksvorgelegt von Sosoho-Abasi Udongwo
              
                van Rienen, Ursula
                University of Rostock
              
              
                De Gersem, Herbert
                University of Darmstadt
              
              
                Calaga, Rama
                CERN
              
            
      
    
  
  
    
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      MCRJANITOR</field><field name="derivateLabel">fulltext</field><field name="ir.pdffulltext_url">file/rosdok_disshab_0000003545/rosdok_derivate_0000227355/Udongwo_Dissertation_2026.pdf</field><field name="mods.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</field><field name="mods.title.main">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</field><field name="mods.title.subtitle"></field><field name="mods.nameIdentifier">gnd:1399459570</field><field name="mods.nameIdentifier">orcid:0009-0003-5203-4413</field><field name="mods.nameIdentifier">gnd:115420738</field><field name="mods.nameIdentifier">orcid:0000-0003-1042-2058</field><field name="mods.nameIdentifier">gnd:141561335</field><field name="mods.nameIdentifier">orcid:0000-0003-2709-2518</field><field name="mods.nameIdentifier">gnd:38329-6</field><field name="mods.nameIdentifier">gnd:10085032-7</field><field name="mods.nameIdentifier.top">gnd:1399459570</field><field name="mods.nameIdentifier.top">orcid:0009-0003-5203-4413</field><field name="mods.nameIdentifier.top">gnd:115420738</field><field name="mods.nameIdentifier.top">orcid:0000-0003-1042-2058</field><field name="mods.nameIdentifier.top">gnd:141561335</field><field name="mods.nameIdentifier.top">orcid:0000-0003-2709-2518</field><field name="mods.nameIdentifier.top">gnd:38329-6</field><field name="mods.nameIdentifier.top">gnd:10085032-7</field><doc><field name="id">rosdok_disshab_0000003545-d1319040e54</field><field name="mods.nameIdentifier">gnd:1399459570</field><field name="mods.nameIdentifier">orcid:0009-0003-5203-4413</field><field name="mods.name">Sosoho-Abasi Udongwo</field><field name="mods.name.top">Sosoho-Abasi Udongwo</field></doc><doc><field name="id">rosdok_disshab_0000003545-d1319040e70</field><field name="mods.nameIdentifier">gnd:115420738</field><field name="mods.nameIdentifier">orcid:0000-0003-1042-2058</field><field name="mods.name">Ursula Rienen van</field><field name="mods.name.top">Ursula Rienen van</field></doc><doc><field name="id">rosdok_disshab_0000003545-d1319040e88</field><field name="mods.nameIdentifier">gnd:141561335</field><field name="mods.nameIdentifier">orcid:0000-0003-2709-2518</field><field name="mods.name">Herbert De Gersem</field><field name="mods.name.top">Herbert De Gersem</field></doc><doc><field name="id">rosdok_disshab_0000003545-d1319040e106</field><field name="mods.name">Rama Calaga</field><field name="mods.name.top">Rama Calaga</field></doc><doc><field name="id">rosdok_disshab_0000003545-d1319040e117</field><field name="mods.nameIdentifier">gnd:38329-6</field><field name="mods.name">Universität Rostock</field><field name="mods.name.top">Universität Rostock</field></doc><doc><field name="id">rosdok_disshab_0000003545-d1319040e130</field><field name="mods.nameIdentifier">gnd:10085032-7</field><field name="mods.name">Universität Rostock. Fakultät für Informatik und Elektrotechnik</field><field name="mods.name.top">Universität Rostock. Fakultät für Informatik und Elektrotechnik</field></doc><field name="mods.name">Sosoho-Abasi Udongwo</field><field name="mods.name">Ursula Rienen van</field><field name="mods.name">Herbert De Gersem</field><field name="mods.name">Rama Calaga</field><field name="mods.name">Universität Rostock</field><field name="mods.name">Universität Rostock. Fakultät für Informatik und Elektrotechnik</field><field name="mods.name.top">Sosoho-Abasi Udongwo</field><field name="mods.name.top">Ursula Rienen van</field><field name="mods.name.top">Herbert De Gersem</field><field name="mods.name.top">Rama Calaga</field><field name="mods.name.top">Universität Rostock</field><field name="mods.name.top">Universität Rostock. Fakultät für Informatik und Elektrotechnik</field><field name="mods.author">Sosoho-Abasi Udongwo</field><field name="mods.place">Rostock</field><field name="mods.publisher">Universität Rostock</field><field name="mods.genre">epub.dissertation</field><field name="mods.identifier">https://purl.uni-rostock.de/rosdok/id00005526</field><field name="mods.identifier">urn:nbn:de:gbv:28-rosdok_id00005526-5</field><field name="mods.identifier">10.18453/rosdok_id00005526</field><field name="mods.abstract">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.</field><field name="mods.abstract">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.</field><field name="mods.dateIssued">2025</field><field name="mods.yearIssued">2025</field><field name="mods.note.referee">Ursula van Rienen (University of Rostock) ; Herbert De Gersem (University of Darmstadt) ; Rama Calaga (CERN)</field><field name="mods.note.personal_details">[{"name":"van Rienen, Ursula","affil":"University of Rostock"},{"name":"De Gersem, Herbert","affil":"University of Darmstadt"},{"name":"Calaga, Rama","affil":"CERN"}]</field><field name="mods.note.university_thesis_note">Dissertation, Universität Rostock, 2025</field><field name="mods.note.titlewordindex">top and anti-top quarks</field><field name="mods.note.statement of responsibility">vorgelegt von Sosoho-Abasi Udongwo</field><field name="ir.identifier">[xslt]Saxon</field><field name="recordIdentifier">rosdok_id00005526</field><field name="purl">https://purl.uni-rostock.de/rosdok/id00005526</field><field name="ppn">1971186139</field><field name="doi">10.18453/rosdok_id00005526</field><field name="urn">urn:nbn:de:gbv:28-rosdok_id00005526-5</field><field name="ir.creator.result">Sosoho-Abasi Udongwo</field><field name="ir.creator.sort">Udongwo Sosoho-Abasi</field><field name="ir.title.result">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</field><field name="ir.doctype.result">Dissertation</field><field name="ir.doctype_en.result">doctoral thesis</field><field name="ir.originInfo.result">Universität Rostock, 24.04.2025</field><field name="ir.abstract300.result">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…</field><field name="ir.creator_all">Sosoho-Abasi Udongwo</field><field name="ir.title_all">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</field><field name="ir.title_all">top and anti-top quarks</field><field name="ir.location_all">Universitätsbibliothek Rostock</field><field name="ir.location_all">https://purl.uni-rostock.de/rosdok/id00005526</field><field name="ir.creator_all">Sosoho-Abasi</field><field name="ir.creator_all">Udongwo</field><field name="ir.creator_all">1994 -</field><field name="ir.creator_all"></field><field name="ir.creator_all">VerfasserIn</field><field name="ir.creator_all">aut</field><field name="ir.creator_all">1399459570</field><field name="ir.creator_all">0009-0003-5203-4413</field><field name="ir.creator_all">Ursula</field><field name="ir.creator_all">Rienen</field><field name="ir.creator_all">van</field><field name="ir.creator_all">1957 -</field><field name="ir.creator_all"></field><field name="ir.creator_all">AkademischeR BetreuerIn</field><field name="ir.creator_all">dgs</field><field name="ir.creator_all">115420738</field><field name="ir.creator_all">0000-0003-1042-2058</field><field name="ir.creator_all">Herbert</field><field name="ir.creator_all">De Gersem</field><field name="ir.creator_all">1971 -</field><field name="ir.creator_all"></field><field name="ir.creator_all">AkademischeR BetreuerIn</field><field name="ir.creator_all">dgs</field><field name="ir.creator_all">141561335</field><field name="ir.creator_all">0000-0003-2709-2518</field><field name="ir.creator_all">University of Darmstadt</field><field name="ir.creator_all">Rama</field><field name="ir.creator_all">Calaga</field><field name="ir.creator_all"></field><field name="ir.creator_all">AkademischeR BetreuerIn</field><field name="ir.creator_all">dgs</field><field name="ir.creator_all">CERN</field><field name="ir.creator_all">38329-6</field><field name="ir.creator_all">Universität Rostock</field><field name="ir.creator_all">1419 - 1976</field><field name="ir.creator_all">1990 -</field><field name="ir.creator_all"></field><field name="ir.creator_all">Grad-verleihende Institution</field><field name="ir.creator_all">dgg</field><field name="ir.creator_all">10085032-7</field><field name="ir.creator_all">Universität Rostock. Fakultät für Informatik und Elektrotechnik</field><field name="ir.creator_all">2004 -</field><field name="ir.creator_all"></field><field name="ir.creator_all">Grad-verleihende Institution</field><field name="ir.creator_all">dgg</field><field name="ir.identifier">[purl]https://purl.uni-rostock.de/rosdok/id00005526</field><field name="ir.identifier">[urn]urn:nbn:de:gbv:28-rosdok_id00005526-5</field><field name="ir.identifier">[doi]10.18453/rosdok_id00005526</field><field name="ir.oai.setspec.open_access">open_access</field><field name="ir.pubyear_start">2025</field><field name="ir.pubyear_end">2025</field><field name="ir.epoch_class.facet">epoch:21th_century</field><field name="ir.language_class.facet">rfc5646:en</field><field name="ir.doctype_class.facet">doctype:epub.dissertation</field><field name="ir.accesscondition_class.facet">accesscondition:openaccess</field><field name="ir.sdnb_class.facet">SDNB:000</field><field name="ir.sdnb_class.facet">SDNB:530</field><field name="ir.sdnb_class.facet">SDNB:620</field><field name="ir.institution_class.facet">institution:unirostock.ief</field><field name="ir.state_class.facet">state:published</field></doc></add>