CINXE.COM
Operation Experience with the LHC ACS RF System - CERN Document Server
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <!--[if IEMobile 7]><html class="iem7" xmlns="http://www.w3.org/1999/xhtml" lang="pt" xml:lang="pt" xmlns:og="http://ogp.me/ns#" xmlns:fb="http://ogp.me/ns/fb#"><![endif]--> <!--[if lte IE 6]><html class="ie6 ie6-7 ie6-8" xmlns="http://www.w3.org/1999/xhtml" lang="pt" xml:lang="pt" xmlns:og="http://ogp.me/ns#" xmlns:fb="http://ogp.me/ns/fb#"><![endif]--> <!--[if (IE 7)&(!IEMobile)]><html class="ie7 ie6-7 ie6-8" xmlns="http://www.w3.org/1999/xhtml" lang="pt" xml:lang="pt" xmlns:og="http://ogp.me/ns#" xmlns:fb="http://ogp.me/ns/fb#"><![endif]--> <!--[if IE 8]><html class="ie8 ie6-8" xmlns="http://www.w3.org/1999/xhtml" lang="pt" xml:lang="pt" xmlns:og="http://ogp.me/ns#" xmlns:fb="http://ogp.me/ns/fb#"><![endif]--> <!--[if (gte IE 9)|(gt IEMobile 7)]><!--><html xmlns="http://www.w3.org/1999/xhtml" lang="pt" xml:lang="pt" xmlns:og="http://ogp.me/ns#" xmlns:fb="http://ogp.me/ns/fb#"><!--<![endif]--> <head> <title>Operation Experience with the LHC ACS RF System - 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" /> <!--[if lt IE 8]> <link href="https://cds.cern.ch/img/cern_toolbar/css/toolbar-ie.css" rel="stylesheet" type="text/css"> <![endif]--> <!--[if lt IE 8]> <link rel="stylesheet" type="text/css" href="https://cds.cern.ch/img/invenio-ie7.css" /> <![endif]--> <!--[if gt IE 8]> <style type="text/css">div.restrictedflag {filter:none;}</style> <![endif]--> <link rel="canonical" href="https://cds.cern.ch/record/2712616" /> <link rel="alternate" hreflang="el" href="https://cds.cern.ch/record/2712616?ln=el" /> <link rel="alternate" hreflang="fr" href="https://cds.cern.ch/record/2712616?ln=fr" /> <link rel="alternate" hreflang="bg" href="https://cds.cern.ch/record/2712616?ln=bg" /> <link rel="alternate" hreflang="zh-TW" href="https://cds.cern.ch/record/2712616?ln=zh_TW" /> <link rel="alternate" hreflang="pt" href="https://cds.cern.ch/record/2712616?ln=pt" /> <link rel="alternate" hreflang="no" href="https://cds.cern.ch/record/2712616?ln=no" /> <link rel="alternate" hreflang="hr" href="https://cds.cern.ch/record/2712616?ln=hr" /> <link rel="alternate" hreflang="ca" href="https://cds.cern.ch/record/2712616?ln=ca" /> <link rel="alternate" hreflang="de" href="https://cds.cern.ch/record/2712616?ln=de" /> <link rel="alternate" hreflang="it" href="https://cds.cern.ch/record/2712616?ln=it" /> <link rel="alternate" hreflang="zh-CN" href="https://cds.cern.ch/record/2712616?ln=zh_CN" /> <link rel="alternate" hreflang="sv" href="https://cds.cern.ch/record/2712616?ln=sv" /> <link rel="alternate" hreflang="sk" href="https://cds.cern.ch/record/2712616?ln=sk" /> <link rel="alternate" hreflang="en" href="https://cds.cern.ch/record/2712616?ln=en" /> <link rel="alternate" hreflang="pl" href="https://cds.cern.ch/record/2712616?ln=pl" /> <link rel="alternate" hreflang="ru" href="https://cds.cern.ch/record/2712616?ln=ru" /> <link rel="alternate" hreflang="ka" href="https://cds.cern.ch/record/2712616?ln=ka" /> <link rel="alternate" hreflang="ja" href="https://cds.cern.ch/record/2712616?ln=ja" /> <link rel="alternate" hreflang="es" href="https://cds.cern.ch/record/2712616?ln=es" /> <link rel="alternate" type="application/rss+xml" title="CERN Document Server RSS" href="/rss?ln=pt" /> <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="pt" /> <meta name="description" content="The LHC accelerating RF system consists of two cryomodules per beam, each containing four single-cell niobium sputtered 400.8 MHz superconducting cavities working at 4.5 K and an average accelerating voltage of 2 MV. The paper summarises the experience, availability and evolution of the system within 10 years of operation. The lessons learned from the successful replacement and re-commissioning of one cryomodule with a spare module, and the recent re-test of the originally installed module on the test stand are also included. Finally, a review of currently launched spare cavity production and long-term developments are presented. Turaj, Katarzyna; Arnaudon, Luca; Baudrenghien, Philippe; Brunner, Olivier; Butterworth, Andrew; Gerigk, Frank; Karppinen, Mikko; Maesen, Pierre; Montesinos, Eric; Peauger, Franck; Rosaz, Guillaume; Shaposhnikova, Elena; Smekens, David; Taborelli, Mauro; Therasse, Mathieu; Timko, Helga; Valuch, Daniel; Valverde Alonso, Nuria; Venturini Delsolaro, Walter" /> <meta name="keywords" content="cavity, cryomodule, operation, injection, MMI" /> <script type="text/javascript" src="https://cds.cern.ch/js/jquery.min.js"></script> <!-- WebNews CSS library --> <link rel="stylesheet" href="https://cds.cern.ch/img/webnews.css" type="text/css" /> <!-- WebNews JS library --> <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> <!-- GoogleScholar --> <meta content="JACoW : Operation Experience with the LHC ACS RF System" name="citation_title" /> <meta content="Turaj, Katarzyna" name="citation_author" /> <meta content="Montesinos, Eric" name="citation_author" /> <meta content="Smekens, David" name="citation_author" /> <meta content="Therasse, Mathieu" name="citation_author" /> <meta content="Taborelli, Mauro" name="citation_author" /> <meta content="Karppinen, Mikko" name="citation_author" /> <meta content="Venturini Delsolaro, Walter" name="citation_author" /> <meta content="Brunner, Olivier" name="citation_author" /> <meta content="Baudrenghien, Philippe" name="citation_author" /> <meta content="Rosaz, Guillaume" name="citation_author" /> <meta content="Shaposhnikova, Elena" name="citation_author" /> <meta content="Butterworth, Andrew" name="citation_author" /> <meta content="Timko, Helga" name="citation_author" /> <meta content="Valuch, Daniel" name="citation_author" /> <meta content="Arnaudon, Luca" name="citation_author" /> <meta content="Peauger, Franck" name="citation_author" /> <meta content="Valverde Alonso, Nuria" name="citation_author" /> <meta content="Gerigk, Frank" name="citation_author" /> <meta content="Maesen, Pierre" name="citation_author" /> <meta content="10.18429/JACoW-SRF2019-THP031" name="citation_doi" /> <meta content="913-916" name="citation_firstpage" /> <meta content="2019" name="citation_publication_date" /> <meta name="citation_online_date" content="2020/03/10"> <meta content="SRF2019" name="citation_technical_report_number" /> <meta content="10.18429/JACoW-SRF2019-THP031" name="citation_doi" /> <meta name="citation_pdf_url" content="https://cds.cern.ch/record/2712616/files/10.18429_JACoW-SRF2019-THP031.pdf" /> <!-- OpenGraph --> <meta content="Operation Experience with the LHC ACS RF System" 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/2712616" property="og:url" /> <meta content="CERN Document Server" property="og:site_name" /> <meta content="The LHC accelerating RF system consists of two cryomodules per beam, each containing four single-cell niobium sputtered 400.8 MHz superconducting cavities working at 4.5 K and an average accelerating voltage of 2 MV. The paper summarises the experience, availability and evolution of the system within 10 years of operation. The lessons learned from the successful replacement and re-commissioning of one cryomodule with a spare module, and the recent re-test of the originally installed module on the test stand are also included. Finally, a review of currently launched spare cavity production and long-term developments are presented." property="og:description" /> <meta content="JACoW" property="og:description" /> <!-- Twitter Card --> <meta content="summary" name="twitter:card" /> <meta content="summary" name="twitter:card" /> <style></style> </head> <body class="CERN32Document32Server search" lang="pt"> <!-- toolbar starts --> <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=pt&referer=https%3A//cds.cern.ch/record/2712616%3Fln%3Dpt" 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> <!-- toolbar ends --> <!-- Nav header starts--> <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><!-- /#name-and-slogan --> <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=pt">Pesquisar</a></li> <li class="menu-444 "><a class="" title="" href="https://cds.cern.ch/submit?ln=pt">Submeter</a></li> <li class="menu-426 "><a class="" href="https://cds.cern.ch/help/?ln=pt">Ajuda</a></li> <li class="leaf hassubcdsmenu"> <a hreflang="en" class="header" href="https://cds.cern.ch/youraccount/display?ln=pt">Personalizar</a> <ul class="subsubcdsmenu"><li><a href="https://cds.cern.ch/youralerts/list?ln=pt">Your alerts</a></li><li><a href="https://cds.cern.ch/yourbaskets/display?ln=pt">Your baskets</a></li><li><a href="https://cds.cern.ch/yourcomments?ln=pt">Your comments</a></li><li><a href="https://cds.cern.ch/youralerts/display?ln=pt">Your searches</a></li></ul></li> </ul> </div> </div> </div> <!-- Nav header ends--> <table class="navtrailbox"> <tr> <td class="navtrailboxbody"> <a href="/?ln=pt" class="navtrail">Página principal</a> > Operation Experience with the LHC ACS RF System </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/2712616/?ln=pt">Informação </a></li><li class=""><a href="/record/2712616/files?ln=pt">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"> <!--<div style="height:0.1em;"> </div> <p class="notopgap"> </p>--> <abbr class="unapi-id" title="2712616"></abbr> <style type="text/css"> <!-- ul.detailedrecordtabs li.on a{background-color:#4D94CC;color:#fff !important;border-bottom:1px solid #4D94CC!important;} div.detailedrecordboxcontent {padding-top:0px !important;} --> </style> <table class="formatRecordTableFullWidth" > <tr> <td class="formatRecordHeader" style="background-image: url('https://cds.cern.ch/img/journals.jpg');" colspan="2"> <!--YTD: record may have more than one 690C.a tag--> <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;">SRF2019</td></tr> <tr><td class="formatRecordLabel"> Title </td><td style="padding-left:5px;"><b>Operation Experience with the LHC ACS RF System</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 = "Hide" } else { more.style.display = 'none'; extension.style.display = ''; link.innerHTML = "Mostrar todos os 19 autores" } 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=Turaj%2C%20Katarzyna&ln=pt">Turaj, Katarzyna</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Arnaudon%2C%20Luca&ln=pt">Arnaudon, Luca</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Baudrenghien%2C%20Philippe&ln=pt">Baudrenghien, Philippe</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Brunner%2C%20Olivier&ln=pt">Brunner, Olivier</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Butterworth%2C%20Andrew&ln=pt">Butterworth, Andrew</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Gerigk%2C%20Frank&ln=pt">Gerigk, Frank</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Karppinen%2C%20Mikko&ln=pt">Karppinen, Mikko</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Maesen%2C%20Pierre&ln=pt">Maesen, Pierre</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Montesinos%2C%20Eric&ln=pt">Montesinos, Eric</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Peauger%2C%20Franck&ln=pt">Peauger, Franck</a> (CERN)<span id="more" style=""> ; <a href="https://cds.cern.ch/search?f=author&p=Rosaz%2C%20Guillaume&ln=pt">Rosaz, Guillaume</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Shaposhnikova%2C%20Elena&ln=pt">Shaposhnikova, Elena</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Smekens%2C%20David&ln=pt">Smekens, David</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Taborelli%2C%20Mauro&ln=pt">Taborelli, Mauro</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Therasse%2C%20Mathieu&ln=pt">Therasse, Mathieu</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Timko%2C%20Helga&ln=pt">Timko, Helga</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Valuch%2C%20Daniel&ln=pt">Valuch, Daniel</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Valverde%20Alonso%2C%20Nuria&ln=pt">Valverde Alonso, Nuria</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Venturini%20Delsolaro%2C%20Walter&ln=pt">Venturini Delsolaro, Walter</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;">2019</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="https://cds.cern.ch/record/2710755">19th International Conference on RF Superconductivity</a>, Dresden, Germany, 30 Jun - 05 Jul 2019, pp.913-916</td></tr> <tr><td class="formatRecordLabel"> DOI </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.18429/JACoW-SRF2019-THP031" title="DOI" target="_blank">10.18429/JACoW-SRF2019-THP031</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%20LHC&f=693__a">CERN LHC</a></td></tr> <tr><td class="formatRecordLabel"> Abstract </td><td style="padding-left:5px;">The LHC accelerating RF system consists of two cryomodules per beam, each containing four single-cell niobium sputtered 400.8 MHz superconducting cavities working at 4.5 K and an average accelerating voltage of 2 MV. The paper summarises the experience, availability and evolution of the system within 10 years of operation. The lessons learned from the successful replacement and re-commissioning of one cryomodule with a spare module, and the recent re-test of the originally installed module on the test stand are also included. Finally, a review of currently launched spare cavity production and long-term developments are presented.</td></tr> <tr><td class="formatRecordLabel"> Copyright/License </td><td style="padding-left:5px;">Publication: Any distribution of this work must maintain attribution to the author(s), title of the work, publisher, and DOI.<br/><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/1780592">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"> Record created 2020-03-10, last modified 2020-03-10</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=pt&p=recid%3A2712616&rm=wrd" class="moreinfo">Registos similares</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">Fulltext:</small> <br /><a href="/record/2712616/files/10.18429_JACoW-SRF2019-THP031.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=pt&recid=2712616">Add to personal basket</a></li> <li>Export as <a style="text-decoration:underline;font-weight:normal" href="/record/2712616/export/hx?ln=pt">BibTeX</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2712616/export/hm?ln=pt">MARC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2712616/export/xm?ln=pt">MARCXML</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2712616/export/xd?ln=pt">DC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2712616/export/xe?ln=pt">EndNote</a>, <!-- <a style="text-decoration:underline;font-weight:normal" href="/record/2712616/export/xe8x?ln=pt">EndNote (8-X)</a>,--> <a style="text-decoration:underline;font-weight:normal" href="/record/2712616/export/xn?ln=pt">NLM</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2712616/export/xw?ln=pt">RefWorks</a> </li> </ul> <div style='padding-left: 13px;'> <!-- JQuery Bookmark Button BEGIN --> <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:2712616/add'); $('#bookmark_sciencewise').bookmark({sites: ['sciencewise']}); $('#bookmark').bookmark({ sites: ['facebook', 'twitter', 'linkedin', 'google_plusone'], icons: '/img/bookmarks.png', url: 'https://cds.cern.ch/record/2712616', addEmail: true, title: "Operation Experience with the LHC ACS RF System", description: "The LHC accelerating RF system consists of two cryomodules per beam, each containing four single-cell niobium sputtered 400.8 MHz superconducting cavities working at 4.5 K and an average accelerating voltage of 2 MV. The paper summarises the experience, availability and evolution of the system within 10 years of operation. The lessons learned from the successful replacement and re-commissioning of one cryomodule with a spare module, and the recent re-test of the originally installed module on the test stand are also included. Finally, a review of currently launched spare cavity production and long-term developments are presented." }); // ]]> </script> <!-- JQuery Bookmark Button END --> </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"> <!-- replaced page footer --> <div class="pagefooterstripeleft"> CERN Document Server :: <a class="footer" href="https://cds.cern.ch/?ln=pt">Pesquisar</a> :: <a class="footer" href="https://cds.cern.ch/submit?ln=pt">Submeter</a> :: <a class="footer" href="https://cds.cern.ch/youraccount/display?ln=pt">Personalizar</a> :: <a class="footer" href="https://cds.cern.ch/help/?ln=pt">Ajuda</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 /> Mantido por <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"> Este sitio também está disponível nos seguintes idiomas:<br /><a href="/record/2712616?ln=bg" class="langinfo">Български</a> <a href="/record/2712616?ln=ca" class="langinfo">Català</a> <a href="/record/2712616?ln=de" class="langinfo">Deutsch</a> <a href="/record/2712616?ln=el" class="langinfo">Ελληνικά</a> <a href="/record/2712616?ln=en" class="langinfo">English</a> <a href="/record/2712616?ln=es" class="langinfo">Español</a> <a href="/record/2712616?ln=fr" class="langinfo">Français</a> <a href="/record/2712616?ln=hr" class="langinfo">Hrvatski</a> <a href="/record/2712616?ln=it" class="langinfo">Italiano</a> <a href="/record/2712616?ln=ja" class="langinfo">日本語</a> <a href="/record/2712616?ln=ka" class="langinfo">ქართული</a> <a href="/record/2712616?ln=no" class="langinfo">Norsk/Bokmål</a> <a href="/record/2712616?ln=pl" class="langinfo">Polski</a> <span class="langinfo">Português</span> <a href="/record/2712616?ln=ru" class="langinfo">Русский</a> <a href="/record/2712616?ln=sk" class="langinfo">Slovensky</a> <a href="/record/2712616?ln=sv" class="langinfo">Svenska</a> <a href="/record/2712616?ln=zh_CN" class="langinfo">中文(简)</a> <a href="/record/2712616?ln=zh_TW" class="langinfo">中文(繁)</a> </div> </div> <!-- replaced page footer --> </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> <!-- Feedback script --> <script src="//cds.cern.ch/js/feedback.js"></script> <!-- Feedback script --> <!-- Matomo --> <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> <!-- End Matomo Code --> </body> </html>