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min-height: 360px; } </style> <table class="formatRecordTableFullWidth"> <tr> <td class="formatRecordHeader" style="background-image: url('/img/journals.jpg');" colspan="2">  Internal Note </td> </tr> <tr><td class="formatRecordLabel"> Report number </td><td style="padding-left:5px;">CERN-ACC-NOTE-2023-0023</td></tr> <tr><td class="formatRecordLabel"> Title </td><td style="padding-left:5px;"><b>Conceptual design study for a dedicated low-energy diagnostics line at Linac3</b></td></tr> <style> .video_control_container, #video_controlbutton { display: none; }#video_detailbox_download {display: none;}#video_detailbox_embed {display: none;}</style> <div class="video_control_container"> <div style="box-sizing: inherit;position: relative;min-height: 1em;margin: 1em 0;background: #f8f8f9;padding: 1em 1.5em;line-height: 1.4285em;transition: opacity .1s ease,color .1s ease,background .1s ease,box-shadow .1s ease,-webkit-box-shadow .1s ease;border-radius: .28571429rem;font-size: 1.1em;margin-top: 0;margin-bottom: 6px;background-color: #f8ffff;color: #276f86;box-shadow: 0 0 0 1px #a9d5de inset,0 0 0 0 transparent;"> <i class="fa fa-info"></i><span style="padding-left: 9px;">If you experience any problem watching the video, click the download button below</span> </div> <a id="video_controlbutton_download" rel="download_button" class="video_controlbutton" href="#">Download</a> <a id="video_controlbutton_embed" class="video_controlbutton" href="#">Embed</a> </div> <div id="video_detailbox_download" style="margin:10px"> </div> <div id="video_detailbox_embed" style="margin:10px"> </div> <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=Bellodi%2C%20Giulia&ln=en">Bellodi, Giulia</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Bodart%2C%20Dominique&ln=en">Bodart, Dominique</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Cravero%2C%20Jean-Marc&ln=en">Cravero, Jean-Marc</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Etxebarria%20Erdoiza%2C%20Jone&ln=en">Etxebarria Erdoiza, Jone</a> (CIEMAT - Centro de Investigaciones Energéticas Medioambientales y Tec. (ES)) ; <a href="https://cds.cern.ch/search?f=author&p=Kuchler%2C%20Detlef&ln=en">Kuchler, Detlef</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Mahner%2C%20Edgar&ln=en">Mahner, Edgar</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Roncarolo%2C%20Federico&ln=en">Roncarolo, Federico</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Scrivens%2C%20Richard&ln=en">Scrivens, Richard</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Valerio%20Lizarraga%2C%20Cristhian%20Alfonso&ln=en">Valerio Lizarraga, Cristhian Alfonso</a> (Universidad Autonoma de Sinaloa (MX))</td></tr> <tr><td class="formatRecordLabel"> Corporate <span style="white-space:nowrap;">author(s)</span> </td><td style="padding-left:5px;">CERN. Geneva. ATS Department</td></tr> <tr><td class="formatRecordLabel"> Publication </td><td style="padding-left:5px;">2023</td></tr>  <script type="text/javascript"> /* * Changes the Imprint title to Date - Duration as requested by RQF0820114 * This is a hack not to touch the general imprint format element */ $(document).ready(function() { var collections = 'INTNOTEATSPUBL ; NOTE'; if (collections.indexOf('E-LEARNING') > -1) { $('.cern-imprint-label').text('Date - Duration'); } }) </script> <tr><td class="formatRecordLabel cern-imprint-label"> Imprint </td><td style="padding-left:5px;">04 Dec 2023</td></tr>  <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%20LINAC3&f=693__a">CERN LINAC3</a></td></tr> <tr><td class="formatRecordLabel"> Keywords </td><td style="padding-left:5px;"><a href="https://cds.cern.ch/search?f=keyword&p=ions&ln=en">ions</a> ; <a href="https://cds.cern.ch/search?f=keyword&p=diagnostics&ln=en">diagnostics</a> ; <a href="https://cds.cern.ch/search?f=keyword&p=Linac3&ln=en">Linac3</a> ; <a href="https://cds.cern.ch/search?f=keyword&p=low-energy&ln=en">low-energy</a></td></tr> <tr><td class="formatRecordLabel"> Abstract </td><td style="padding-left:5px;">A low-energy diagnostics upgrade of Linac3 has been studied in the last couple of years to allow a more precise characterization of the beam properties at extraction from the source, currently impeded by a complete lack of measuring devices in the first  6 m of the accelerator layout. Due to space tightness constraints, the solution explored consists of a dedicated beam diagnostics line, branching off the main lattice through a 90o spectrometer magnet. Through a choice of pulse-to-pulse functionality, this solution would also allow permanent logging in operation and the implementation of feedback loops that could help achieve better source performance stability. This note details the design and beam dynamics performance of this line, and it provides a preliminary assessment on feasibility and costing.</td></tr> <tr><td class="formatRecordLabel"> Other source </td><td style="padding-left:5px;"><a href="http://inspirehep.net/record/2767655">INSPIRE</a></td></tr> <tr><td class="formatRecordLabel"> Submitted by </td><td style="padding-left:5px;"><a href="mailto:stephanie.espic@cern.ch">stephanie.espic@cern.ch</a></td></tr> </table> <br/><div><div style="clear: both;"> </div></div> <script type="text/javascript"> // Initially hide: $(".longCaption").hide(); // Allow to toggle visibility: $(".toggleLongCaption").toggle(function(){ $(this).siblings(".longCaption").show('fast'); var thisElem = $(this); thisElem.text(thisElem.text() === "more" ? "less" : "more"); },function(){ $(this).siblings(".longCaption").hide('fast'); var thisElem = $(this); thisElem.text(thisElem.text() === "more" ? 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Due to space tightness constraints, the solution explored consists of a dedicated beam diagnostics line, branching off the main lattice through a 90o spectrometer magnet. Through a choice of pulse-to-pulse functionality, this solution would also allow permanent logging in operation and the implementation of feedback loops that could help achieve better source performance stability. 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