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The Superconducting Slotted Waveguide Elliptical cavity (SWELL) concept was recently proposed as an alternative to the challenging RF baseline design of the FCC-ee. In this paper, random optimization methods are used to minimize the peak surface magnetic field and the maximum longitudinal impedance of the higher order modes (HOM) of a two-cell 600 MHz SWELL cavity. In the next step, the waveguide slots are optimized to first have a smooth transition from the cavity to the slots to avoid large peak surface fields and second to achieve high transmission at dipole mode frequencies and low transmission at fundamental mode frequency while keeping the design compact Gorgi Zadeh, Shahnam; Brunner, Olivier; Peauger, Franck; Syratchev, Igor" /> <meta name="keywords" content="cavity, impedance, HOM, collider, GUI" /> <script type="text/javascript" src="https://cds.cern.ch/js/jquery.min.js"></script>  <link rel="stylesheet" href="https://cds.cern.ch/img/webnews.css" type="text/css" />  <script type="text/javascript" src="https://cds.cern.ch/js/webnews.js?v=20131009"></script> <meta property="fb:app_id" content="137353533001720"/> <script type="text/x-mathjax-config"> MathJax.Hub.Config({ tex2jax: {inlineMath: [['$','$']], processEscapes: true}, showProcessingMessages: false, messageStyle: "none" }); </script> <script src="/MathJax/MathJax.js?config=TeX-AMS_CHTML" type="text/javascript"> </script>  <meta content="Optimization of a 600 MHz Two-Cell Slotted Waveguide Elliptical Cavity for FCC-ee" name="citation_title" /> <meta content="Gorgi Zadeh, Shahnam" name="citation_author" /> <meta content="Brunner, Olivier" name="citation_author" /> <meta content="Syratchev, Igor" name="citation_author" /> <meta content="Peauger, Franck" name="citation_author" /> <meta content="10.18429/JACoW-IPAC2022-TUPOTK048" name="citation_doi" /> <meta content="JACoW IPAC" name="citation_journal_title" /> <meta content="2022" name="citation_volume" /> <meta content="1323-1326" name="citation_firstpage" /> <meta content="2022" name="citation_publication_date" /> <meta name="citation_online_date" content="2023/01/11"> <meta content="10.18429/JACoW-IPAC2022-TUPOTK048" name="citation_doi" /> <meta name="citation_pdf_url" content="https://cds.cern.ch/record/2845821/files/document.pdf" />  <meta content="Optimization of a 600 MHz Two-Cell Slotted Waveguide Elliptical Cavity for FCC-ee" property="og:title" /> <meta content="website" property="og:type" /> <meta content="website" property="og:type" /> <meta content="https://cds.cern.ch/record/2845821" property="og:url" /> <meta content="CERN Document Server" property="og:site_name" /> <meta content="JACoW" property="og:description" /> <meta content="The radio-frequency (RF) system of the future circular lepton collider (FCC-ee) must cope with different machine parameters ranging from Ampere-class operation required for the Z-peak working point to the high-gradient operation for the tt̄threshold. The Superconducting Slotted Waveguide Elliptical cavity (SWELL) concept was recently proposed as an alternative to the challenging RF baseline design of the FCC-ee. In this paper, random optimization methods are used to minimize the peak surface magnetic field and the maximum longitudinal impedance of the higher order modes (HOM) of a two-cell 600 MHz SWELL cavity. 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var affiliation = $(this).data('affiliation') + '</br>'; var contribution = $(this).data('contribution') + '</br>'; $.magnificPopup.open({ items: { src: '<div id="ovelary-mathjax" class="overlay-white oc-content overlay-white-500">' + author + affiliation + contribution + '</div>', type: 'inline' }, callbacks: { open: function() { var div = document.getElementById("overlay-mathjax") MathJax.Hub.Queue(["Typeset", MathJax.Hub, div]); }, } }) }) }); </script> <tr><td class="formatRecordLabel"> Title </td><td style="padding-left:5px;"><b>Optimization of a 600 MHz Two-Cell Slotted Waveguide Elliptical Cavity for FCC-ee</b></td></tr> <tr><td class="formatRecordLabel"><span style="white-space:nowrap;"> Author(s) </span> </td><td style="padding-left:5px;"><a href="https://cds.cern.ch/search?f=author&p=Gorgi%20Zadeh%2C%20Shahnam&ln=pl">Gorgi Zadeh, Shahnam</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Brunner%2C%20Olivier&ln=pl">Brunner, Olivier</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Peauger%2C%20Franck&ln=pl">Peauger, Franck</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Syratchev%2C%20Igor&ln=pl">Syratchev, Igor</a> (CERN)</td></tr> <tr><td class="formatRecordLabel"> Publication </td><td style="padding-left:5px;">2022</td></tr> <tr><td class="formatRecordLabel"> Number of pages </td><td style="padding-left:5px;">4</td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.18429/JACoW-IPAC2022-TUPOTK048"><i>JACoW IPAC</i> 2022 (2022) 1323-1326</a> </a></td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="https://cds.cern.ch/record/2806400">13th International Particle Accelerator Conference (IPAC 2022)</a>, Bangkok, Thailand, 12 - 17 Jun 2022, pp.1323-1326</td></tr> <tr><td class="formatRecordLabel"> DOI </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.18429/JACoW-IPAC2022-TUPOTK048" title="DOI" target="_blank">10.18429/JACoW-IPAC2022-TUPOTK048</a> <tr><td class="formatRecordLabel"> Subject category </td><td style="padding-left:5px;">Accelerators and Storage Rings</td></tr> <tr><td class="formatRecordLabel"> Accelerator/Facility, Experiment </td><td style="padding-left:5px;"><a href="https://cds.cern.ch/search?p=CERN%20FCC&f=693__a">CERN FCC</a></td></tr> <tr><td class="formatRecordLabel"> Abstract </td><td style="padding-left:5px;">The radio-frequency (RF) system of the future circular lepton collider (FCC-ee) must cope with different machine parameters ranging from Ampere-class operation required for the Z-peak working point to the high-gradient operation for the tt̄threshold. The Superconducting Slotted Waveguide Elliptical cavity (SWELL) concept was recently proposed as an alternative to the challenging RF baseline design of the FCC-ee. In this paper, random optimization methods are used to minimize the peak surface magnetic field and the maximum longitudinal impedance of the higher order modes (HOM) of a two-cell 600 MHz SWELL cavity. In the next step, the waveguide slots are optimized to first have a smooth transition from the cavity to the slots to avoid large peak surface fields and second to achieve high transmission at dipole mode frequencies and low transmission at fundamental mode frequency while keeping the design compact</td></tr> <tr><td class="formatRecordLabel"> Copyright/License </td><td style="padding-left:5px;"><a href="http://creativecommons.org/licenses/by/3.0/">CC-BY-3.0</a></td></tr> </table> <br/>Corresponding record in: <a href="http://inspirehep.net/record/2137227">Inspire</a> <small> </small> <br/> <br/><br/><div align="right"><div style="padding-bottom:2px;padding-top:30px;"><span class="moreinfo" style="margin-right:10px;"> <a href="" class="moreinfo">Back to search</a> </span></div></div> <div class="bottom-left-folded"><div class="recordlastmodifiedbox" style="position:relative;margin-left:1px"> Rekord stworzony 2023-01-11, ostatnia modyfikacja 2023-01-11</div></div> <div class="bottom-right-folded" style="text-align:right;padding-bottom:2px;"> <span class="moreinfo" style="margin-right:10px;"><a href="/search?ln=pl&p=recid%3A2845821&rm=wrd" class="moreinfo">Podobne rekordy</a></span></div> </div> </div> </div> <br/> <br /> <div class="detailedrecordminipanel"> <div class="top-left"></div><div class="top-right"></div> <div class="inside"> <div id="detailedrecordminipanelfile" style="width:33%;float:left;text-align:center;margin-top:0"> <div><small class="detailedRecordActions">Pełny tekst:</small> <br /><a href="/record/2845821/files/document.pdf"><img style="border:none" src="/img/file-icon-text-34x48.gif" alt="Pobierz pełny tekst" /><br />PDF</a><br /></div> </div> <div id="detailedrecordminipanelreview" style="width:30%;float:left;text-align:center"> </div> <div id="detailedrecordminipanelactions" style="width:36%;float:right;text-align:right;"> <ul class="detailedrecordactions"> <li><a href="/yourbaskets/add?ln=pl&recid=2845821">Dodaj do koszyka osobistego</a></li> <li>Wyeksportuj jako <a style="text-decoration:underline;font-weight:normal" href="/record/2845821/export/hx?ln=pl">BibTeX</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2845821/export/hm?ln=pl">MARC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2845821/export/xm?ln=pl">MARCXML</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2845821/export/xd?ln=pl">DC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2845821/export/xe?ln=pl">EndNote</a>,  <a style="text-decoration:underline;font-weight:normal" href="/record/2845821/export/xn?ln=pl">NLM</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2845821/export/xw?ln=pl">RefWorks</a> </li> </ul> <div style='padding-left: 13px;'>  <div id="bookmark"></div> <div id="bookmark_sciencewise"></div> <style type="text/css"> #bookmark_sciencewise, #bookmark {float: left;} #bookmark_sciencewise li {padding: 2px; width: 25px;} #bookmark_sciencewise ul, #bookmark ul {list-style-image: none;} </style> <script type="text/javascript" src="/js/jquery.bookmark.min.js"></script> <style type="text/css">@import "/css/jquery.bookmark.css";</style> <script type="text/javascript">// <![CDATA[ $.bookmark.addSite('sciencewise', 'ScienceWise.info', 'https://cds.cern.ch/img/sciencewise.png', 'en', 'bookmark', 'http://sciencewise.info/bookmarks/cds:2845821/add'); $('#bookmark_sciencewise').bookmark({sites: ['sciencewise']}); $('#bookmark').bookmark({ sites: ['facebook', 'twitter', 'linkedin', 'google_plusone'], icons: '/img/bookmarks.png', url: 'https://cds.cern.ch/record/2845821', addEmail: true, title: "Optimization of a 600 MHz Two-Cell Slotted Waveguide Elliptical Cavity for FCC-ee", description: "The radio-frequency (RF) system of the future circular lepton collider (FCC-ee) must cope with different machine parameters ranging from Ampere-class operation required for the Z-peak working point to the high-gradient operation for the tt\u0304threshold. The Superconducting Slotted Waveguide Elliptical cavity (SWELL) concept was recently proposed as an alternative to the challenging RF baseline design of the FCC-ee. In this paper, random optimization methods are used to minimize the peak surface magnetic field and the maximum longitudinal impedance of the higher order modes (HOM) of a two-cell 600 MHz SWELL cavity. 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