Impedance and thermal studies of the CERN SPS wire scanners and mitigation of wire heating

<!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="bg" xml:lang="bg" xmlns:og="http://ogp.me/ns#" xmlns:fb="http://ogp.me/ns/fb#"> <head> <title>Impedance and thermal studies of the CERN SPS wire scanners and mitigation of wire heating - 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/2912932" /> <link rel="alternate" hreflang="el" href="https://cds.cern.ch/record/2912932?ln=el" /> <link rel="alternate" hreflang="fr" href="https://cds.cern.ch/record/2912932?ln=fr" /> <link rel="alternate" hreflang="bg" href="https://cds.cern.ch/record/2912932?ln=bg" /> <link rel="alternate" hreflang="zh-TW" href="https://cds.cern.ch/record/2912932?ln=zh_TW" /> <link rel="alternate" hreflang="pt" href="https://cds.cern.ch/record/2912932?ln=pt" /> <link rel="alternate" hreflang="no" href="https://cds.cern.ch/record/2912932?ln=no" /> <link rel="alternate" hreflang="hr" href="https://cds.cern.ch/record/2912932?ln=hr" /> <link rel="alternate" hreflang="ca" href="https://cds.cern.ch/record/2912932?ln=ca" /> <link rel="alternate" hreflang="de" href="https://cds.cern.ch/record/2912932?ln=de" /> <link rel="alternate" hreflang="it" href="https://cds.cern.ch/record/2912932?ln=it" /> <link rel="alternate" hreflang="zh-CN" href="https://cds.cern.ch/record/2912932?ln=zh_CN" /> <link rel="alternate" hreflang="sv" href="https://cds.cern.ch/record/2912932?ln=sv" /> <link rel="alternate" hreflang="sk" href="https://cds.cern.ch/record/2912932?ln=sk" /> <link rel="alternate" hreflang="en" href="https://cds.cern.ch/record/2912932?ln=en" /> <link rel="alternate" hreflang="pl" href="https://cds.cern.ch/record/2912932?ln=pl" /> <link rel="alternate" hreflang="ru" href="https://cds.cern.ch/record/2912932?ln=ru" /> <link rel="alternate" hreflang="ka" href="https://cds.cern.ch/record/2912932?ln=ka" /> <link rel="alternate" hreflang="ja" href="https://cds.cern.ch/record/2912932?ln=ja" /> <link rel="alternate" hreflang="es" href="https://cds.cern.ch/record/2912932?ln=es" /> <link rel="alternate" type="application/rss+xml" title="CERN Document Server RSS" href="/rss?ln=bg" /> <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="bg" /> <meta name="description" content="All wires of the four CERN SPS rotational wirescanners broke when increasing the beam intensity towards the target for the LHC Injector Upgrade in 2023. Impedance and thermal studies were immediately launched, with simulations and measurements indicating that beam induced heating from resonant modes on the thin wire could be sufficient to cause these breakages. Mitigation measures to displace electromagnetic losses away from the wire were proposed and implemented. This allowed a much higher beam intensity to be reached, close to the LIU target. Simulations now predict that the modified wirescanners can sustain the LIU beam parameters. de la Fuente, Elena; Papazoglou, I; Sito, Leonardo; Andreazza, William; Antuono, Chiara; Bruchon, N; Calaga, Rama; Carra, Federico; Emery, J; Harrison, Anthony; Karpov, Ivan; Li, K; Papotti, Giulia; Roncarolo, Federico; Rumolo, Giovanni; Salvant, Benoit; Sullivan, M; Veness, Raymond; Vanel, A; Vollinger, Christine; Zannini, Carlo" /> <meta name="keywords" content="impedance, bunching, timing, coupling, simulation" /> <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 : Impedance and thermal studies of the CERN SPS wire scanners and mitigation of wire heating" name="citation_title" /> <meta content="de la Fuente, Elena" name="citation_author" /> <meta content="Vollinger, Christine" name="citation_author" /> <meta content="Sito, Leonardo" name="citation_author" /> <meta content="Salvant, Benoit" name="citation_author" /> <meta content="Vanel, A" name="citation_author" /> <meta content="Papotti, Giulia" name="citation_author" /> <meta content="Papazoglou, I" name="citation_author" /> <meta content="Bruchon, N" name="citation_author" /> <meta content="Sullivan, M" name="citation_author" /> <meta content="Veness, Raymond" name="citation_author" /> <meta content="Li, K" name="citation_author" /> <meta content="Harrison, Anthony" name="citation_author" /> <meta content="Karpov, Ivan" name="citation_author" /> <meta content="Roncarolo, Federico" name="citation_author" /> <meta content="Carra, Federico" name="citation_author" /> <meta content="Emery, J" name="citation_author" /> <meta content="Calaga, Rama" name="citation_author" /> <meta content="Rumolo, Giovanni" name="citation_author" /> <meta content="Andreazza, William" name="citation_author" /> <meta content="Zannini, Carlo" name="citation_author" /> <meta content="Antuono, Chiara" name="citation_author" /> <meta content="10.18429/JACoW-IPAC2024-WEPG29" name="citation_doi" /> <meta content="JACoW IPAC" name="citation_journal_title" /> <meta content="2024" name="citation_volume" /> <meta content="WEPG29" name="citation_firstpage" /> <meta content="2024" name="citation_publication_date" /> <meta name="citation_online_date" content="2024/10/09"> <meta content="10.18429/JACoW-IPAC2024-WEPG29" name="citation_doi" /> <meta name="citation_pdf_url" content="https://cds.cern.ch/record/2912932/files/document.pdf" />  <meta content="JACOW" property="og:title" /> <meta content="Impedance and thermal studies of the CERN SPS wire scanners and mitigation of wire heating" property="og:title" /> <meta content="website" property="og:type" /> <meta content="website" property="og:type" /> <meta content="https://cds.cern.ch/record/2912932" property="og:url" /> <meta content="CERN Document Server" property="og:site_name" /> <meta content="JACOW" property="og:description" /> <meta content="All wires of the four CERN SPS rotational wirescanners broke when increasing the beam intensity towards the target for the LHC Injector Upgrade in 2023. Impedance and thermal studies were immediately launched, with simulations and measurements indicating that beam induced heating from resonant modes on the thin wire could be sufficient to cause these breakages. Mitigation measures to displace electromagnetic losses away from the wire were proposed and implemented. This allowed a much higher beam intensity to be reached, close to the LIU target. Simulations now predict that the modified wirescanners can sustain the LIU beam parameters." property="og:description" />  <meta content="summary" name="twitter:card" /> <meta content="summary" name="twitter:card" /> <style></style> </head> <body class="CERN32Document32Server search" lang="bg">  <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=bg&referer=https%3A//cds.cern.ch/record/2912932%3Fln%3Dbg" 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=bg">Търсене</a></li> <li class="menu-444 "><a class="" title="" href="https://cds.cern.ch/submit?ln=bg">Изпращане</a></li> <li class="menu-426 "><a class="" href="https://cds.cern.ch/help/?ln=bg">Помощ</a></li> <li class="leaf hassubcdsmenu"> <a hreflang="en" class="header" href="https://cds.cern.ch/youraccount/display?ln=bg">Персонализиране</a> <ul class="subsubcdsmenu"><li><a href="https://cds.cern.ch/youralerts/list?ln=bg">Your alerts</a></li><li><a href="https://cds.cern.ch/yourbaskets/display?ln=bg">Your baskets</a></li><li><a href="https://cds.cern.ch/yourcomments?ln=bg">Your comments</a></li><li><a href="https://cds.cern.ch/youralerts/display?ln=bg">Your searches</a></li></ul></li> </ul> </div> </div> </div>  <table class="navtrailbox"> <tr> <td class="navtrailboxbody"> <a href="/?ln=bg" class="navtrail">Начало</a> > Impedance and thermal studies of the CERN SPS wire scanners and mitigation of wire heating </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/2912932/?ln=bg">Информация </a></li><li class=""><a href="/record/2912932/files?ln=bg">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="2912932"></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>Impedance and thermal studies of the CERN SPS wire scanners and mitigation of wire heating</b></td></tr> <tr><td class="formatRecordLabel"><span style="white-space:nowrap;"> Author(s) </span> </td><td style="padding-left:5px;"> <script type="text/javascript"> function toggle_authors_visibility(){ var more = document.getElementById('more'); var link = document.getElementById('link'); var extension = document.getElementById('extension'); if (more.style.display=='none'){ more.style.display = ''; extension.style.display = 'none'; link.innerHTML = "Скриване" } else { more.style.display = 'none'; extension.style.display = ''; link.innerHTML = "Показване на всичките 21 автора" } link.style.color = "rgb(204,0,0);" } function set_up(){ var extension = document.getElementById('extension'); extension.innerHTML = ""; toggle_authors_visibility(); } </script> <a name="show_hide" /><a href="https://cds.cern.ch/search?f=author&p=de%20la%20Fuente%2C%20Elena&ln=bg">de la Fuente, Elena</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Papazoglou%2C%20I&ln=bg">Papazoglou, I</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Sito%2C%20Leonardo&ln=bg">Sito, Leonardo</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Andreazza%2C%20William&ln=bg">Andreazza, William</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Antuono%2C%20Chiara&ln=bg">Antuono, Chiara</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Bruchon%2C%20N&ln=bg">Bruchon, N</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Calaga%2C%20Rama&ln=bg">Calaga, Rama</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Carra%2C%20Federico&ln=bg">Carra, Federico</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Emery%2C%20J&ln=bg">Emery, J</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Harrison%2C%20Anthony&ln=bg">Harrison, Anthony</a> (CERN)<span id="more" style=""> ; <a href="https://cds.cern.ch/search?f=author&p=Karpov%2C%20Ivan&ln=bg">Karpov, Ivan</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Li%2C%20K&ln=bg">Li, K</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Papotti%2C%20Giulia&ln=bg">Papotti, Giulia</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Roncarolo%2C%20Federico&ln=bg">Roncarolo, Federico</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Rumolo%2C%20Giovanni&ln=bg">Rumolo, Giovanni</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Salvant%2C%20Benoit&ln=bg">Salvant, Benoit</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Sullivan%2C%20M&ln=bg">Sullivan, M</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Veness%2C%20Raymond&ln=bg">Veness, Raymond</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Vanel%2C%20A&ln=bg">Vanel, A</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Vollinger%2C%20Christine&ln=bg">Vollinger, Christine</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Zannini%2C%20Carlo&ln=bg">Zannini, Carlo</a> (CERN)</span> <span id="extension"></span> <small><i><a id="link" href="#" onclick="toggle_authors_visibility()" style="color:rgb(204,0,0);"></a></i></small><script type="text/javascript">set_up()</script></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;">4</td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.18429/JACoW-IPAC2024-WEPG29"><i>JACoW IPAC</i> 2024 (2024) WEPG29</a> </a></td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="https://cds.cern.ch/record/2903046">15th International Particle Accelerator Conference (IPAC 2024)</a>, Nashville, TN, United States, 19 - 24 May 2024, pp.WEPG29</td></tr> <tr><td class="formatRecordLabel"> DOI </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.18429/JACoW-IPAC2024-WEPG29" title="DOI" target="_blank">10.18429/JACoW-IPAC2024-WEPG29</a> <tr><td class="formatRecordLabel"> Subject category </td><td style="padding-left:5px;">Accelerators and Storage Rings</td></tr> <tr><td class="formatRecordLabel"> Abstract </td><td style="padding-left:5px;">All wires of the four CERN SPS rotational wirescanners broke when increasing the beam intensity towards the target for the LHC Injector Upgrade in 2023. Impedance and thermal studies were immediately launched, with simulations and measurements indicating that beam induced heating from resonant modes on the thin wire could be sufficient to cause these breakages. Mitigation measures to displace electromagnetic losses away from the wire were proposed and implemented. This allowed a much higher beam intensity to be reached, close to the LIU target. Simulations now predict that the modified wirescanners can sustain the LIU beam parameters.</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/2813192">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"> Записът е създаден на 2024-10-09, последна промяна на 2024-10-10</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=bg&p=recid%3A2912932&rm=wrd" class="moreinfo">Подобни записи</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">Пълен текст:</small> <br /><a href="/record/2912932/files/document.pdf"><img style="border:none" src="/img/file-icon-text-34x48.gif" alt="Сваляне на пълен текст" /><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=bg&recid=2912932">Добавяне в личната кошница</a></li> <li>Export as <a style="text-decoration:underline;font-weight:normal" href="/record/2912932/export/hx?ln=bg">BibTeX</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2912932/export/hm?ln=bg">MARC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2912932/export/xm?ln=bg">MARCXML</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2912932/export/xd?ln=bg">DC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2912932/export/xe?ln=bg">EndNote</a>,  <a style="text-decoration:underline;font-weight:normal" href="/record/2912932/export/xn?ln=bg">NLM</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2912932/export/xw?ln=bg">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:2912932/add'); $('#bookmark_sciencewise').bookmark({sites: ['sciencewise']}); $('#bookmark').bookmark({ sites: ['facebook', 'twitter', 'linkedin', 'google_plusone'], icons: '/img/bookmarks.png', url: 'https://cds.cern.ch/record/2912932', addEmail: true, title: "Impedance and thermal studies of the CERN SPS wire scanners and mitigation of wire heating", description: "All wires of the four CERN SPS rotational wirescanners broke when increasing the beam intensity towards the target for the LHC Injector Upgrade in 2023. Impedance and thermal studies were immediately launched, with simulations and measurements indicating that beam induced heating from resonant modes on the thin wire could be sufficient to cause these breakages. Mitigation measures to displace electromagnetic losses away from the wire were proposed and implemented. This allowed a much higher beam intensity to be reached, close to the LIU target. Simulations now predict that the modified wirescanners can sustain the LIU beam parameters." }); // ]]> </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=bg">Търсене</a> :: <a class="footer" href="https://cds.cern.ch/submit?ln=bg">Изпращане</a> :: <a class="footer" href="https://cds.cern.ch/youraccount/display?ln=bg">Персонализиране</a> :: <a class="footer" href="https://cds.cern.ch/help/?ln=bg">Помощ</a> :: <a class="footer" href="https://cern.service-now.com/service-portal?id=privacy_policy&se=CDS-Service" target="_blank">Privacy Notice</a> <br /> Powered by <a class="footer" href="http://invenio-software.org/">Invenio</a> <br /> Поддръжка от <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"> Този сайт е достъпен на следните езици:<br /><span class="langinfo">Български</span>  <a href="/record/2912932?ln=ca" class="langinfo">Català</a>  <a href="/record/2912932?ln=de" class="langinfo">Deutsch</a>  <a href="/record/2912932?ln=el" class="langinfo">Ελληνικά</a>  <a href="/record/2912932?ln=en" class="langinfo">English</a>  <a href="/record/2912932?ln=es" class="langinfo">Español</a>  <a href="/record/2912932?ln=fr" class="langinfo">Français</a>  <a href="/record/2912932?ln=hr" class="langinfo">Hrvatski</a>  <a href="/record/2912932?ln=it" class="langinfo">Italiano</a>  <a href="/record/2912932?ln=ja" class="langinfo">日本語</a>  <a href="/record/2912932?ln=ka" class="langinfo">ქართული</a>  <a href="/record/2912932?ln=no" class="langinfo">Norsk/Bokmål</a>  <a href="/record/2912932?ln=pl" class="langinfo">Polski</a>  <a href="/record/2912932?ln=pt" class="langinfo">Português</a>  <a href="/record/2912932?ln=ru" class="langinfo">Русский</a>  <a href="/record/2912932?ln=sk" class="langinfo">Slovensky</a>  <a href="/record/2912932?ln=sv" class="langinfo">Svenska</a>  <a href="/record/2912932?ln=zh_CN" class="langinfo">中文(简)</a>  <a href="/record/2912932?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>

CINXE.COM

Impedance and thermal studies of the CERN SPS wire scanners and mitigation of wire heating - CERN Document Server