FCC-ee Hybrid RF Scheme - CERN Document Server

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The two limiting scenarios for the RF system design are at low energy (45 GeV) with high beam current (1.45 A) and the highest energy (182.5 GeV) with a radiation loss reaching 8.92 GeV per turn. In this paper, RF staging with a hybrid scheme using both 400 MHz and 800 MHz is proposed to mitigate the requirements on the two extremes. Relevant comparisons are made with respect to using only a single frequency for all modes. Gorgi Zadeh, Shahnam; Calaga, Rama; Gerigk, Frank; van Rienen, Ursula" /> <meta name="keywords" content="cavity, HOM, impedance, operation, radiation" /> <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="JACoW : FCC-ee Hybrid RF Scheme" name="citation_title" /> <meta content="Gorgi Zadeh, Shahnam" name="citation_author" /> <meta content="Calaga, Rama" name="citation_author" /> <meta content="van Rienen, Ursula" name="citation_author" /> <meta content="Gerigk, Frank" name="citation_author" /> <meta content="10.18429/JACoW-IPAC2018-MOPMF036" name="citation_doi" /> <meta content="MOPMF036" name="citation_firstpage" /> <meta content="2018" name="citation_publication_date" /> <meta name="citation_online_date" content="2018/11/06"> <meta content="CERN-ACC-2018-167" name="citation_technical_report_number" /> <meta content="10.18429/JACoW-IPAC2018-MOPMF036" name="citation_doi" /> <meta name="citation_pdf_url" content="https://cds.cern.ch/record/2646064/files/mopmf036.pdf" />  <meta content="FCC-ee Hybrid RF Scheme" property="og:title" /> <meta content="JACoW" property="og:title" /> <meta content="website" property="og:type" /> <meta content="website" property="og:type" /> <meta content="https://cds.cern.ch/record/2646064" property="og:url" /> <meta content="CERN Document Server" property="og:site_name" /> <meta content="For FCC-ee, the range of beam energies and beam currents is large between each mode of operation, all scaled to an available 50 MW maximum power per beam. 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Relevant comparisons are made with respect to using only a single frequency for all modes." property="og:description" /> <meta content="JACoW" property="og:description" />  <meta content="summary" name="twitter:card" /> <meta content="summary" name="twitter:card" /> <style></style> </head> <body class="CERN32Document32Server search" lang="fr">  <div id="cern-toolbar"> <h1><a href="http://cern.ch" title="CERN">CERN <span>Accélérateur de science</span></a></h1> <ul> <li class="cern-accountlinks"><a class="cern-account" href="https://cds.cern.ch/youraccount/login?ln=fr&referer=https%3A//cds.cern.ch/record/2646064%3Fln%3Dfr" title="Sign in to your CERN account">Connexion</a></li> <li><a class="cern-directory" href="http://cern.ch/directory" title="Search CERN resources and browse the directory">Liens utiles</a></li> </ul> </div>   <div role="banner" class="clearfix" id="header"> <div class="header-inner inner"> <hgroup class="clearfix"> <h2 id="site-name"> <a rel="home" title="Home" href="/"><span>CERN Document Server</span></a> </h2> <h3 id="site-slogan">Articles, rapports et multimédia de la physique des hautes énergies</h3> </hgroup> <div role="navigation" id="main-navigation" class="cdsmenu"> <h2 class="element-invisible">Main menu</h2><ul class="links inline clearfix"> <li class="menu-386 first active-trail"><a class="active-trail" href="https://cds.cern.ch/?ln=fr">Recherche</a></li> <li class="menu-444 "><a class="" title="" href="https://cds.cern.ch/submit?ln=fr">Soumettre</a></li> <li class="menu-426 "><a class="" href="https://cds.cern.ch/help/?ln=fr">Aide</a></li> <li class="leaf hassubcdsmenu"> <a hreflang="en" class="header" href="https://cds.cern.ch/youraccount/display?ln=fr">Personnaliser</a> <ul class="subsubcdsmenu"><li><a href="https://cds.cern.ch/youralerts/list?ln=fr">Vos alertes</a></li><li><a href="https://cds.cern.ch/yourbaskets/display?ln=fr">Vos paniers</a></li><li><a href="https://cds.cern.ch/yourcomments?ln=fr">Vos commentaires</a></li><li><a href="https://cds.cern.ch/youralerts/display?ln=fr">Vos recherches</a></li></ul></li> </ul> </div> </div> </div>  <table class="navtrailbox"> <tr> <td class="navtrailboxbody"> <a href="/?ln=fr" class="navtrail">Accueil</a> > FCC-ee Hybrid RF Scheme </td> </tr> </table> </div> <div class="pagebody"><div class="pagebodystripemiddle"> <div class="detailedrecordbox"> <div class="detailedrecordtabs"> <div> <ul class="detailedrecordtabs"><li class="on first"><a href="/record/2646064/?ln=fr">Informations </a></li><li class=""><a href="/record/2646064/files?ln=fr">Fichiers </a></li></ul> <div id="tabsSpacer" style="clear:both;height:0px"> </div></div> </div> <div class="detailedrecordboxcontent"> <div class="top-left-folded"></div> <div class="top-right-folded"></div> <div class="inside">  <abbr class="unapi-id" title="2646064"></abbr> <style type="text/css">  </style> <table class="formatRecordTableFullWidth" > <tr> <td class="formatRecordHeader" style="background-image: url('https://cds.cern.ch/img/journals.jpg');" colspan="2">  <a style="color:#fff;text-decoration:none" href="https://cds.cern.ch/collection/Published%20Articles">Published Articles</a> </td> </tr> <script type="text/javascript"> $( document ).ready(function() { $('.showAuthor').on('click', function() { var author = '<p>' + $(this).data('name') + '</p>'; 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"> Report number </td><td style="padding-left:5px;">CERN-ACC-2018-167</td></tr> <tr><td class="formatRecordLabel"> Title </td><td style="padding-left:5px;"><b>FCC-ee Hybrid RF Scheme</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=fr">Gorgi Zadeh, Shahnam</a> (Rostock U.) ; <a href="https://cds.cern.ch/search?f=author&p=Calaga%2C%20Rama&ln=fr">Calaga, Rama</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Gerigk%2C%20Frank&ln=fr">Gerigk, Frank</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=van%20Rienen%2C%20Ursula&ln=fr">van Rienen, Ursula</a> (Rostock U.)</td></tr> <tr><td class="formatRecordLabel"> Publication </td><td style="padding-left:5px;">2018</td></tr> <tr><td class="formatRecordLabel"> Number of pages </td><td style="padding-left:5px;">3</td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="https://cds.cern.ch/record/2317451">9th International Particle Accelerator Conference</a>, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPMF036</td></tr> <tr><td class="formatRecordLabel"> DOI </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.18429/JACoW-IPAC2018-MOPMF036" title="DOI" target="_blank">10.18429/JACoW-IPAC2018-MOPMF036</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__e">CERN FCC</a><br/><a href="https://cds.cern.ch/search?p=FCC%20ee&f=693__e">FCC ee</a></td></tr> <tr><td class="formatRecordLabel"> Abstract </td><td style="padding-left:5px;">For FCC-ee, the range of beam energies and beam currents is large between each mode of operation, all scaled to an available 50 MW maximum power per beam. The two limiting scenarios for the RF system design are at low energy (45 GeV) with high beam current (1.45 A) and the highest energy (182.5 GeV) with a radiation loss reaching 8.92 GeV per turn. In this paper, RF staging with a hybrid scheme using both 400 MHz and 800 MHz is proposed to mitigate the requirements on the two extremes. Relevant comparisons are made with respect to using only a single frequency for all modes.</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/1691328">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">Retour à la recherche</a> </span></div></div> <div class="bottom-left-folded"><div class="recordlastmodifiedbox" style="position:relative;margin-left:1px"> Notice créée le 2018-11-06, modifiée le 2019-01-23</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=fr&p=recid%3A2646064&rm=wrd" class="moreinfo">Notices similaires</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">Fichiers:</small> <br /><a href="/record/2646064/files/mopmf036.pdf"><img style="border:none" src="/img/file-icon-text-34x48.gif" alt="Télécharger le document" /><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=fr&recid=2646064">Ajouter au panier personnel</a></li> <li>Exporter vers <a style="text-decoration:underline;font-weight:normal" href="/record/2646064/export/hx?ln=fr">BibTeX</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2646064/export/hm?ln=fr">MARC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2646064/export/xm?ln=fr">MARCXML</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2646064/export/xd?ln=fr">DC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2646064/export/xe?ln=fr">EndNote</a>,  <a style="text-decoration:underline;font-weight:normal" href="/record/2646064/export/xn?ln=fr">NLM</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2646064/export/xw?ln=fr">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:2646064/add'); $('#bookmark_sciencewise').bookmark({sites: ['sciencewise']}); $('#bookmark').bookmark({ sites: ['facebook', 'twitter', 'linkedin', 'google_plusone'], icons: '/img/bookmarks.png', url: 'https://cds.cern.ch/record/2646064', addEmail: true, title: "FCC-ee Hybrid RF Scheme", description: "For FCC-ee, the range of beam energies and beam currents is large between each mode of operation, all scaled to an available 50 MW maximum power per beam. 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FCC-ee Hybrid RF Scheme - CERN Document Server