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Zampetakis, Michail; Argyropoulos, Theodoros; Brischetto, Ylenia; Calaga, Rama; Giacomel, Lorenzo; Karlsen-Bæck, Birk Emil; Karpov, Ivan; Mounet, Nicolas; Salvant, Benoit; Timko, Helga" /> <meta name="keywords" content="impedance, cavity, simulation, injection, damping" /> <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 : Refining the LHC Longitudinal Impedance Model" name="citation_title" /> <meta content="Zampetakis, Michail" name="citation_author" /> <meta content="Brischetto, Ylenia" name="citation_author" /> <meta content="Argyropoulos, Theodoros" name="citation_author" /> <meta content="Timko, Helga" name="citation_author" /> <meta content="Karlsen-Bæck, Birk Emil" name="citation_author" /> <meta content="Salvant, Benoit" name="citation_author" /> <meta content="Giacomel, Lorenzo" name="citation_author" /> <meta content="Calaga, Rama" name="citation_author" /> <meta content="Mounet, Nicolas" name="citation_author" /> <meta content="Karpov, Ivan" name="citation_author" /> <meta content="10.18429/JACoW-HB2023-THBP37" name="citation_doi" /> <meta content="JACoW HB" name="citation_journal_title" /> <meta content="2023" name="citation_volume" /> <meta content="559-562" name="citation_firstpage" /> <meta content="2024" name="citation_publication_date" /> <meta name="citation_online_date" content="2024/06/15"> <meta content="10.18429/JACoW-HB2023-THBP37" name="citation_doi" /> <meta name="citation_pdf_url" content="https://cds.cern.ch/record/2900891/files/document.pdf" />  <meta content="Refining the LHC Longitudinal Impedance Model" 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/2900891" property="og:url" /> <meta content="CERN Document Server" property="og:site_name" /> <meta content="JACOW" property="og:description" /> <meta content="Modelling the longitudinal impedance for the Large Hadron Collider (LHC) has been a long-standing effort, especially in view of its High-Luminosity (HL) upgrade. 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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>Refining the LHC Longitudinal Impedance Model</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=Zampetakis%2C%20Michail&ln=hr">Zampetakis, Michail</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Argyropoulos%2C%20Theodoros&ln=hr">Argyropoulos, Theodoros</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Brischetto%2C%20Ylenia&ln=hr">Brischetto, Ylenia</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Calaga%2C%20Rama&ln=hr">Calaga, Rama</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Giacomel%2C%20Lorenzo&ln=hr">Giacomel, Lorenzo</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Karlsen-B%C3%A6ck%2C%20Birk%20Emil&ln=hr">Karlsen-Bæck, Birk Emil</a> (INFN, Rome ; Rome U. ; CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Karpov%2C%20Ivan&ln=hr">Karpov, Ivan</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Mounet%2C%20Nicolas&ln=hr">Mounet, Nicolas</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Salvant%2C%20Benoit&ln=hr">Salvant, Benoit</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Timko%2C%20Helga&ln=hr">Timko, Helga</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;">4</td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.18429/JACoW-HB2023-THBP37"><i>JACoW HB</i> 2023 (2024) 559-562</a> </a></td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="https://cds.cern.ch/record/2895374">68th ICFA Advanced Beam Dynamics workshop on high-Intensity and High-Brightness Hadron Beams (HB 2023)</a>, CERN, Geneva, Switzerland, 9 - 13 Oct 2023, pp.559-562</td></tr> <tr><td class="formatRecordLabel"> DOI </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.18429/JACoW-HB2023-THBP37" title="DOI" target="_blank">10.18429/JACoW-HB2023-THBP37</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;">Modelling the longitudinal impedance for the Large Hadron Collider (LHC) has been a long-standing effort, especially in view of its High-Luminosity (HL) upgrade. The resulting impedance model is an essential input for beam dynamics studies. Increased beam intensities in the HL-LHC era will pose new challenges like RF power limitations, beam losses at injection and coupled-bunch instabilities throughout the acceleration cycle. Starting from the existing longitudinal impedance model, effort has been made to identify the main contributing devices and improve their modelling. Loss of Landau damping (LLD) simulations are performed to investigate the dependence of the stability threshold on the completeness of the impedance model and its broad-band cut-off frequency. Plans to perform beam measurements to estimate the cut-off frequency, by investigating the LLD threshold in operation, are also discussed.</td></tr> <tr><td class="formatRecordLabel"> Copyright/License </td><td style="padding-left:5px;">© 2024 the author(s) (License: <a href="https://creativecommons.org/licenses/by/3.0">CC-BY-3.0</a>)</td></tr> </table> <br/>Corresponding record in: <a href="http://inspirehep.net/record/2775999">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"> Zapis kreiran 2024-06-15, zadnja izmjena 2024-06-15</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=hr&p=recid%3A2900891&rm=wrd" class="moreinfo">Slični zapisi</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">Cjeloviti tekst:</small> <br /><a href="/record/2900891/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=hr&recid=2900891">Add to personal basket</a></li> <li>Export as <a style="text-decoration:underline;font-weight:normal" href="/record/2900891/export/hx?ln=hr">BibTeX</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2900891/export/hm?ln=hr">MARC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2900891/export/xm?ln=hr">MARCXML</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2900891/export/xd?ln=hr">DC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2900891/export/xe?ln=hr">EndNote</a>,  <a style="text-decoration:underline;font-weight:normal" href="/record/2900891/export/xn?ln=hr">NLM</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2900891/export/xw?ln=hr">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:2900891/add'); $('#bookmark_sciencewise').bookmark({sites: ['sciencewise']}); $('#bookmark').bookmark({ sites: ['facebook', 'twitter', 'linkedin', 'google_plusone'], icons: '/img/bookmarks.png', url: 'https://cds.cern.ch/record/2900891', addEmail: true, title: "Refining the LHC Longitudinal Impedance Model", description: "Modelling the longitudinal impedance for the Large Hadron Collider (LHC) has been a long-standing effort, especially in view of its High-Luminosity (HL) upgrade. 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