CINXE.COM

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">     <html xmlns="http://www.w3.org/1999/xhtml" lang="ja" xml:lang="ja" xmlns:og="http://ogp.me/ns#" xmlns:fb="http://ogp.me/ns/fb#"> <head> <title>Status of E-Cooling Characterisation at 100 keV in ELENA - CERN Document Server</title> <link href='https://framework.web.cern.ch/framework/2.0/fonts/PTSansWeb/PTSansWeb.css' rel='stylesheet' type='text/css' /> <link rel="stylesheet" href="https://cds.cern.ch/img/invenio.css?v=20141127" type="text/css" /> <link rel="stylesheet" href="https://cds.cern.ch/img/cern_theme/css/cern_theme.css?v=20141127" type="text/css" /> <link rel="stylesheet"href="/css/font-awesome.min.css"> <meta http-equiv="X-UA-Compatible" content="IE=Edge"/> <link rel="stylesheet" href="https://cds.cern.ch/img/cern_toolbar/css/toolbar.css" type="text/css" />    <link rel="canonical" href="https://cds.cern.ch/record/2913162" /> <link rel="alternate" hreflang="el" href="https://cds.cern.ch/record/2913162?ln=el" /> <link rel="alternate" hreflang="fr" href="https://cds.cern.ch/record/2913162?ln=fr" /> <link rel="alternate" hreflang="bg" href="https://cds.cern.ch/record/2913162?ln=bg" /> <link rel="alternate" hreflang="zh-TW" href="https://cds.cern.ch/record/2913162?ln=zh_TW" /> <link rel="alternate" hreflang="pt" href="https://cds.cern.ch/record/2913162?ln=pt" /> <link rel="alternate" hreflang="no" href="https://cds.cern.ch/record/2913162?ln=no" /> <link rel="alternate" hreflang="hr" href="https://cds.cern.ch/record/2913162?ln=hr" /> <link rel="alternate" hreflang="ca" href="https://cds.cern.ch/record/2913162?ln=ca" /> <link rel="alternate" hreflang="de" href="https://cds.cern.ch/record/2913162?ln=de" /> <link rel="alternate" hreflang="it" href="https://cds.cern.ch/record/2913162?ln=it" /> <link rel="alternate" hreflang="zh-CN" href="https://cds.cern.ch/record/2913162?ln=zh_CN" /> <link rel="alternate" hreflang="sv" href="https://cds.cern.ch/record/2913162?ln=sv" /> <link rel="alternate" hreflang="sk" href="https://cds.cern.ch/record/2913162?ln=sk" /> <link rel="alternate" hreflang="en" href="https://cds.cern.ch/record/2913162?ln=en" /> <link rel="alternate" hreflang="pl" href="https://cds.cern.ch/record/2913162?ln=pl" /> <link rel="alternate" hreflang="ru" href="https://cds.cern.ch/record/2913162?ln=ru" /> <link rel="alternate" hreflang="ka" href="https://cds.cern.ch/record/2913162?ln=ka" /> <link rel="alternate" hreflang="ja" href="https://cds.cern.ch/record/2913162?ln=ja" /> <link rel="alternate" hreflang="es" href="https://cds.cern.ch/record/2913162?ln=es" /> <link rel="alternate" type="application/rss+xml" title="CERN Document Server RSS" href="/rss?ln=ja" /> <link rel="search" type="application/opensearchdescription+xml" href="https://cds.cern.ch/opensearchdescription" title="CERN Document Server" /> <link rel="unapi-server" type="application/xml" title="unAPI" href="https://cds.cern.ch/unapi" /> <link rel="apple-touch-icon" href="/apple-touch-icon.png"/> <link rel="apple-touch-icon-precomposed" href="/apple-touch-icon-precomposed.png"/> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Language" content="ja" /> <meta name="description" content="The Extra Low ENergy Antiproton ring (ELENA) ring at CERN was commissioned in 2018 and is in regular production operation from 2021. ELENA uses e-cooling for cooling pbar beams on two plateaus at 653 keV and 100 keV kinetic energy. The first cooling is necessary to allow for efficient deceleration of the 5.3 MeV pbar beam coming from the Antiproton Decelerator (AD), while the second cooling is used to define the quality of the bunches before extraction. The experience accumulated so far shows that cooling at 653 keV is sufficient to ensure good deceleration efficiency, while cooling at 100 keV might not be sufficient to provide the design transverse beam emittances at extraction. In this paper we document the present ELENA e-cooling performance at 100 keV, the typical optimisation procedure used during setup, and we investigate possible limitations of the present system. Gamba, Davide; Asvesta, Foteini; Kruyt, Peter; Ponce, Laurette; Russo, Giulia" /> <meta name="keywords" content="extraction, proton, emittance, resonance, operation" /> <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 : Status of E-Cooling Characterisation at 100 keV in ELENA" name="citation_title" /> <meta content="Gamba, Davide" name="citation_author" /> <meta content="Kruyt, Peter" name="citation_author" /> <meta content="Russo, Giulia" name="citation_author" /> <meta content="Ponce, Laurette" name="citation_author" /> <meta content="Asvesta, Foteini" name="citation_author" /> <meta content="10.18429/JACoW-COOL2023-THPAM1R3" name="citation_doi" /> <meta content="JACoW COOL" name="citation_journal_title" /> <meta content="2023" name="citation_volume" /> <meta content="THPAM1R3" name="citation_firstpage" /> <meta content="2024" name="citation_publication_date" /> <meta name="citation_online_date" content="2024/10/11"> <meta content="10.18429/JACoW-COOL2023-THPAM1R3" name="citation_doi" /> <meta name="citation_pdf_url" content="https://cds.cern.ch/record/2913162/files/document.pdf" />  <meta content="Status of E-Cooling Characterisation at 100 keV in ELENA" 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/2913162" property="og:url" /> <meta content="CERN Document Server" property="og:site_name" /> <meta content="The Extra Low ENergy Antiproton ring (ELENA) ring at CERN was commissioned in 2018 and is in regular production operation from 2021. ELENA uses e-cooling for cooling pbar beams on two plateaus at 653 keV and 100 keV kinetic energy. The first cooling is necessary to allow for efficient deceleration of the 5.3 MeV pbar beam coming from the Antiproton Decelerator (AD), while the second cooling is used to define the quality of the bunches before extraction. The experience accumulated so far shows that cooling at 653 keV is sufficient to ensure good deceleration efficiency, while cooling at 100 keV might not be sufficient to provide the design transverse beam emittances at extraction. In this paper we document the present ELENA e-cooling performance at 100 keV, the typical optimisation procedure used during setup, and we investigate possible limitations of the present system." 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="ja">  <div id="cern-toolbar"> <h1><a href="http://cern.ch" title="CERN">CERN <span>Accelerating science</span></a></h1> <ul> <li class="cern-accountlinks"><a class="cern-account" href="https://cds.cern.ch/youraccount/login?ln=ja&referer=https%3A//cds.cern.ch/record/2913162%3Fln%3Dja" title="Sign in to your CERN account">Sign in</a></li> <li><a class="cern-directory" href="http://cern.ch/directory" title="Search CERN resources and browse the directory">Directory</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">Access articles, reports and multimedia content in HEP</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=ja">検索</a></li> <li class="menu-444 "><a class="" title="" href="https://cds.cern.ch/submit?ln=ja">アップロード</a></li> <li class="menu-426 "><a class="" href="https://cds.cern.ch/help/?ln=ja">ヘルプ</a></li> <li class="leaf hassubcdsmenu"> <a hreflang="en" class="header" href="https://cds.cern.ch/youraccount/display?ln=ja">あなたのページ</a> <ul class="subsubcdsmenu"><li><a href="https://cds.cern.ch/youralerts/list?ln=ja">Your alerts</a></li><li><a href="https://cds.cern.ch/yourbaskets/display?ln=ja">Your baskets</a></li><li><a href="https://cds.cern.ch/yourcomments?ln=ja">Your comments</a></li><li><a href="https://cds.cern.ch/youralerts/display?ln=ja">Your searches</a></li></ul></li> </ul> </div> </div> </div>  <table class="navtrailbox"> <tr> <td class="navtrailboxbody"> <a href="/?ln=ja" class="navtrail">ホーム</a> > Status of E-Cooling Characterisation at 100 keV in ELENA </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/2913162/?ln=ja">Information </a></li><li class=""><a href="/record/2913162/files?ln=ja">Files </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="2913162"></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">  Article </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"> Title </td><td style="padding-left:5px;"><b>Status of E-Cooling Characterisation at 100 keV in ELENA</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=Gamba%2C%20Davide&ln=ja">Gamba, Davide</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Asvesta%2C%20Foteini&ln=ja">Asvesta, Foteini</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Kruyt%2C%20Peter&ln=ja">Kruyt, Peter</a> (CERN ; Frankfurt U.) ; <a href="https://cds.cern.ch/search?f=author&p=Ponce%2C%20Laurette&ln=ja">Ponce, Laurette</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Russo%2C%20Giulia&ln=ja">Russo, Giulia</a> (CERN)</td></tr> <tr><td class="formatRecordLabel"> Publication </td><td style="padding-left:5px;">2024</td></tr> <tr><td class="formatRecordLabel"> Number of pages </td><td style="padding-left:5px;">6</td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.18429/JACoW-COOL2023-THPAM1R3"><i>JACoW COOL</i> 2023 (2024) THPAM1R3</a> </a></td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="https://cds.cern.ch/record/2912886">14th International Workshop on Beam Cooling and Related Topics (COOL '23)</a>, Montreux, Switzerland, 8 - 13 Oct 2023, pp.THPAM1R3</td></tr> <tr><td class="formatRecordLabel"> DOI </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.18429/JACoW-COOL2023-THPAM1R3" title="DOI" target="_blank">10.18429/JACoW-COOL2023-THPAM1R3</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%20ELENA&f=693__a">CERN ELENA</a></td></tr> <tr><td class="formatRecordLabel"> Abstract </td><td style="padding-left:5px;">The Extra Low ENergy Antiproton ring (ELENA) ring at CERN was commissioned in 2018 and is in regular production operation from 2021. ELENA uses e-cooling for cooling pbar beams on two plateaus at 653 keV and 100 keV kinetic energy. The first cooling is necessary to allow for efficient deceleration of the 5.3 MeV pbar beam coming from the Antiproton Decelerator (AD), while the second cooling is used to define the quality of the bunches before extraction. The experience accumulated so far shows that cooling at 653 keV is sufficient to ensure good deceleration efficiency, while cooling at 100 keV might not be sufficient to provide the design transverse beam emittances at extraction. In this paper we document the present ELENA e-cooling performance at 100 keV, the typical optimisation procedure used during setup, and we investigate possible limitations of the present system.</td></tr> <tr><td class="formatRecordLabel"> Copyright/License </td><td style="padding-left:5px;"><a href="https://creativecommons.org/licenses/by/4.0">CC-BY-4.0</a></td></tr> </table> <br/>Corresponding record in: <a href="http://inspirehep.net/record/2828077">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"> レコード　生成： 2024-10-11, 最終変更： 2024-10-11</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=ja&p=recid%3A2913162&rm=wrd" class="moreinfo">ほとんど同じレコード</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">フルテキスト:</small> <br /><a href="/record/2913162/files/document.pdf"><img style="border:none" src="/img/file-icon-text-34x48.gif" alt="Download fulltext" /><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=ja&recid=2913162">Add to personal basket</a></li> <li>Export as <a style="text-decoration:underline;font-weight:normal" href="/record/2913162/export/hx?ln=ja">BibTeX</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2913162/export/hm?ln=ja">MARC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2913162/export/xm?ln=ja">MARCXML</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2913162/export/xd?ln=ja">DC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2913162/export/xe?ln=ja">EndNote</a>,  <a style="text-decoration:underline;font-weight:normal" href="/record/2913162/export/xn?ln=ja">NLM</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2913162/export/xw?ln=ja">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:2913162/add'); $('#bookmark_sciencewise').bookmark({sites: ['sciencewise']}); $('#bookmark').bookmark({ sites: ['facebook', 'twitter', 'linkedin', 'google_plusone'], icons: '/img/bookmarks.png', url: 'https://cds.cern.ch/record/2913162', addEmail: true, title: "Status of E-Cooling Characterisation at 100 keV in ELENA", description: "The Extra Low ENergy Antiproton ring (ELENA) ring at CERN was commissioned in 2018 and is in regular production operation from 2021. ELENA uses e-cooling for cooling pbar beams on two plateaus at 653 keV and 100 keV kinetic energy. The first cooling is necessary to allow for efficient deceleration of the 5.3 MeV pbar beam coming from the Antiproton Decelerator (AD), while the second cooling is used to define the quality of the bunches before extraction. The experience accumulated so far shows that cooling at 653 keV is sufficient to ensure good deceleration efficiency, while cooling at 100 keV might not be sufficient to provide the design transverse beam emittances at extraction. In this paper we document the present ELENA e-cooling performance at 100 keV, the typical optimisation procedure used during setup, and we investigate possible limitations of the present system." }); // ]]> </script>  </div> </div> <div style="clear:both;margin-bottom: 0;"></div> </div> <div class="bottom-left"></div><div class="bottom-right"></div> </div> </div></div> <footer id="footer" class="pagefooter clearfix">  <div class="pagefooterstripeleft"> CERN Document Server :: <a class="footer" href="https://cds.cern.ch/?ln=ja">検索</a> :: <a class="footer" href="https://cds.cern.ch/submit?ln=ja">アップロード</a> :: <a class="footer" href="https://cds.cern.ch/youraccount/display?ln=ja">あなたのページ</a> :: <a class="footer" href="https://cds.cern.ch/help/?ln=ja">ヘルプ</a> :: <a class="footer" href="https://cern.service-now.com/service-portal?id=privacy_policy&se=CDS-Service" target="_blank">Privacy Notice</a> :: <a class="footer" href="https://repository.cern/content-policy" target="_blank">Content Policy</a> :: <a class="footer" href="https://repository.cern/terms" target="_blank">Terms and Conditions</a> <br /> Powered by <a class="footer" href="http://invenio-software.org/">Invenio</a> <br /> 管理者 <a class="footer" href="https://cern.service-now.com/service-portal?id=service_element&name=CDS-Service">CDS Service</a> - Need help? Contact <a href="https://cern.service-now.com/service-portal?id=service_element&name=CDS-Service">CDS Support</a>. <br /> </div> <div class="pagefooterstriperight"> <div class="cern-logo"> <a id="logo" href="http://cern.ch" title="CERN" rel="CERN" ><img src="https://cds.cern.ch/img/cern_theme/img/cern-logo-large.png" alt="CERN" /></a> </div> <div class="cern-languagebox"> この場所は次の言語でまた利用できる:<br /><a href="/record/2913162?ln=bg" class="langinfo">Български</a>  <a href="/record/2913162?ln=ca" class="langinfo">Català</a>  <a href="/record/2913162?ln=de" class="langinfo">Deutsch</a>  <a href="/record/2913162?ln=el" class="langinfo">Ελληνικά</a>  <a href="/record/2913162?ln=en" class="langinfo">English</a>  <a href="/record/2913162?ln=es" class="langinfo">Español</a>  <a href="/record/2913162?ln=fr" class="langinfo">Français</a>  <a href="/record/2913162?ln=hr" class="langinfo">Hrvatski</a>  <a href="/record/2913162?ln=it" class="langinfo">Italiano</a>  <span class="langinfo">日本語</span>  <a href="/record/2913162?ln=ka" class="langinfo">ქართული</a>  <a href="/record/2913162?ln=no" class="langinfo">Norsk/Bokmål</a>  <a href="/record/2913162?ln=pl" class="langinfo">Polski</a>  <a href="/record/2913162?ln=pt" class="langinfo">Português</a>  <a href="/record/2913162?ln=ru" class="langinfo">Русский</a>  <a href="/record/2913162?ln=sk" class="langinfo">Slovensky</a>  <a href="/record/2913162?ln=sv" class="langinfo">Svenska</a>  <a href="/record/2913162?ln=zh_CN" class="langinfo">中文(简)</a>  <a href="/record/2913162?ln=zh_TW" class="langinfo">中文(繁)</a> </div> </div>  </footer> <script type="text/javascript"> var SyndeticsBookCovers = (function() { var SMALL_SIZE = "sc.gif", MEDIUM_SIZE = "mc.gif", RAW_URL = "https://secure.syndetics.com/index.aspx?isbn=THEISBN/THESIZE&client=cernlibrary"; replaceCover = function(imgElement, isbns, hdFormat) { var img = new Image(), size = hdFormat ? MEDIUM_SIZE : SMALL_SIZE; var _isbns = isbns.sort(function(a, b) { // sort from shortest to longest ISBN (more modern) return a.length > b.length ? 1 : -1; }); function next() { var isbn = _isbns.pop(); if (isbn) { var url = RAW_URL.replace("THEISBN", isbn).replace("THESIZE", size); img.src = url; } } function done() { imgElement.src = img.src; } img.onload = function() { if (this.width > 1) { done(); } else { next(); } }; next(); }; return { replaceCover: replaceCover }; })(); $(document).ready(function() { // get book covers $("img.book-cover").each(function() { var $this = $(this), strIsbns = $this.data("isbns") || "", isbnsArray = String(strIsbns).split(","), hdFormat = $this.hasClass("hd"); SyndeticsBookCovers.replaceCover(this, isbnsArray, hdFormat); }); // WebNews tooltips $.ajax({ url: "/news/tooltips", success: function(data) { create_tooltips(data); }, dataType: "json", cache: false }); }); </script>  <script src="//cds.cern.ch/js/feedback.js"></script>   <script> var _paq = window._paq = window._paq || []; /* tracker methods like "setCustomDimension" should be called before "trackPageView" */ _paq.push(['trackPageView']); _paq.push(['enableLinkTracking']); (function() { var u="https://webanalytics.web.cern.ch/"; _paq.push(['setTrackerUrl', u+'matomo.php']); _paq.push(['setSiteId', '756']); var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0]; g.async=true; g.src=u+'matomo.js'; s.parentNode.insertBefore(g,s); })(); </script>  </body> </html>