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First Insertable Beam Stop installed in the ESS superconducting linac | ESS
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</div> <main class="site-content" role="main"> <a id="main-content" tabindex="-1"></a> <div id="block-content"> <div class="node--promoted article"> <div class="article__main"> <div class="row"> <header class="article__main-header col-12 col-md-8 col-xl-9"> <h1 class="article__title">First Insertable Beam Stop installed in the ESS superconducting linac</h1> <div class="article__created-date"> <time datetime="2024-08-30T11:54:48+02:00" class="date date--primary"><time datetime="2024-08-30T11:54:48+02:00" title="Friday, August 30, 2024 - 11:54">August 30, 2024</time> </time> </div> </header> </div> <div class="row"> <div class="article__main-content col-12 col-md-8 col-xl-9"> <div class="article__image"> <div class="media media-image media-image--article-lead"> <div class="media__content"> <picture> <source srcset="/sites/default/files/styles/article_image/public/images/media/2024-08/G01%20Spoke%20insertable%20beam%20stop-3.jpeg?itok=tUN6VpMJ 1x" media="(min-width: 576px)" type="image/jpeg" width="1803" height="1140"/> <img class="image" loading="eager" class="image" src="/sites/default/files/styles/article_image/public/images/media/2024-08/G01%20Spoke%20insertable%20beam%20stop-3.jpeg?itok=tUN6VpMJ" width="1803" height="1140" alt="IBS Spoke" /> </picture> </div> <footer class="media__footer"> <div class="caption"> The Insertable Beam Stop (IBS) was installed within the first Linac Warm Unit in the linac spoke section. <span class="credit">Image: Ulrika Hammarlund/ESS </span> </div> </footer> </div> </div> <div class="article__sections"> <section class="layout-section layout-section--primary layout-section--one-columns"> <div class="layout-section__row"> <section class="section section--text"> <h3 id="FirstInsertableBeamStopinstalledintheESSsuperconductinglinac-ESShassuccessfullyinstalledthefirstInsertableBeamStop,adiagnosticsdevicedesignedfortheSpokesectionoftheESSsuperconductinglinac.Thisinstallationisimportantforthelinaccommissioningandtoensurethesa">ESS has successfully installed the first Insertable Beam Stop, a diagnostics device designed for the Spoke section of the ESS superconducting linac.聽<br />This installation is important for the linac commissioning and to ensure the safe operation of the ESS accelerator. It was achieved through extensive collaboration across various technical teams.</h3><hr /><p>On August 22, the Spoke Insertable Beam Stop (SPK IBS) was successfully installed within the Linac Warm Unit of the first Spoke Cryomodule in the accelerator tunnel. This device is designed to withstand a 92 MeV high-power proton beam entering the Spoke section of the ESS linac.</p> <div data-entity-type="media" data-entity-uuid="ab6df136-ecf3-4981-826b-257e6ba3b1b1" data-embed-button="media" data-entity-embed-display="view_mode:media.portrait_small" class="align-right embedded-entity embedded-media embedded-media-image embedded-media-image--portrait-small" data-langcode="en" data-entity-embed-display-settings="[]"> <div class="media media-image media-image--portrait-small"> <div class="media__content"> <picture><source srcset="/sites/default/files/styles/portrait/public/images/media/2024-08/IMG_1664%20%281%29.jpg?itok=PgpHdGeK 1x" media="(min-width: 576px)" type="image/jpeg" width="660" height="846"></source><img class="image" loading="eager" src="/sites/default/files/styles/portrait/public/images/media/2024-08/IMG_1664%20%281%29.jpg?itok=PgpHdGeK" width="660" height="846" alt="IBS Spoke installation" /></picture></div> <footer class="media__footer"><div class="caption"><p>Installation of the spoke IBS inside the cleanroom.</p> </div> </footer></div> </div> <p>The Insertable Beam Stop is a vital component in particle accelerator systems like the one at ESS. Its main purpose is to intercept and safely stop the proton beam, particularly during testing and setup phases. This prevents the beam from causing damage to the equipment or posing a radiation risk. The SPK IBS, specifically, is designed to withstand the high power of the proton beam within the first segment of the superconducting linac.</p> <div data-entity-type="media" data-entity-uuid="2a70f031-b995-4721-a746-3f7660487d37" data-embed-button="media" data-entity-embed-display="view_mode:media.portrait_small" class="align-left embedded-entity embedded-media embedded-media-image embedded-media-image--portrait-small" data-langcode="en" data-entity-embed-display-settings="[]"> <div class="media media-image media-image--portrait-small"> <div class="media__content"> <picture><source srcset="/sites/default/files/styles/portrait/public/images/media/2024-08/1_assembly.jpg?itok=LnYGqbA8 1x" media="(min-width: 576px)" type="image/jpeg" width="660" height="870"></source><img class="image" loading="eager" src="/sites/default/files/styles/portrait/public/images/media/2024-08/1_assembly.jpg?itok=LnYGqbA8" width="660" height="870" alt="Spoke IBS assembly" /></picture></div> <footer class="media__footer"><div class="caption"><p>Assembly at Proactive R&D in Spain during July 2024.</p> </div> </footer></div> </div> <p>The SPK beam stop was designed by the team at ESS in Sweden, and manufactured by Proactive R&D in Spain.</p><p>Elena Donegani, the system lead, expressed her gratitude for the extensive collaboration across various departments at ESS: "The successful installation of the SPK IBS would not have been possible without the dedicated efforts and collaboration of multiple teams at ESS. Special thanks to Beam Physics, Radiation Protection, Integrated Control Systems, Mechanical Engineering, Facility Management, Project Management, Infrastructure Installation, Survey Alignment and Metrology, Spatial Integration, Procurement and Logistics, and the Vacuum team. Additionally, the radiation transport calculations were crucial, and I would like to thank the DMSC team for their support and the computing time on the cluster.</p><p>Special acknowledgments to Anders Olsson (Senior Structural Engineer), to Artur Gevorgyan (Vacuum Engineer) and to Juan Herranz (CEO of Proactive R&D) for their invaluable contributions during the design, manufacturing, testing, and installation stages."</p><p>This collaborative effort underscores the complexity and precision required to develop and install such advanced technology, which plays a critical role in ensuring the safety and functionality of the ESS accelerator.</p> <div data-entity-type="media" data-entity-uuid="6d0c880b-8b2f-4e7a-b38a-c0338d2b6e76" data-embed-button="media" data-entity-embed-display="view_mode:media.custom" data-langcode="en" data-entity-embed-display-settings="[]" class="embedded-entity embedded-media embedded-media-image embedded-media-image--custom"> <div class="media media-image media-image--custom"> <div class="media__content"> <img class="image" src="/sites/default/files/styles/custom/public/images/media/2024-08/IMG_5053.jpg?itok=ILyFAaRT" width="3024" height="3849" alt="Spk IBS installation" loading="lazy" /></div> <footer class="media__footer"><div class="caption"><p>The ESS vacuum team performed the installation in the cleanroom. This is vacuum system technician Delphine Hardion.</p> </div> </footer></div> </div> <div data-entity-type="media" data-entity-uuid="30e51a41-143c-448e-8a0b-a2fd23f2f349" data-embed-button="media" data-entity-embed-display="view_mode:media.custom" data-langcode="en" data-entity-embed-display-settings="[]" class="embedded-entity embedded-media embedded-media-image embedded-media-image--custom"> <div class="media media-image media-image--custom"> <div class="media__content"> <img class="image" src="/sites/default/files/styles/custom/public/images/media/2024-08/G01%20Spoke%20insertable%20beam%20stop-2.jpeg?itok=W9PBH-nM" width="5306" height="3734" alt="Spoke IBS in place" loading="lazy" /></div> <footer class="media__footer"><div class="caption"><p>The spoke IBS in place.</p> </div> </footer></div> </div> </section> </div> </section> </div> </div> <aside class="article__sidebar col-4 col-xl-3"> <div class="read-next-block"><div class="read-next-block__inner"> <h4 class="read-next-block__title">Top stories</h4> <div><div class="js-view-dom-id-b049dc2c3b75a306ba8713cf855a06e963b8a778ae45bef0b34b182c39dbb096"> <div class="views-row"><div class="views-field views-field-field-media-single"><div class="field-content"> <img class="image" src="/sites/default/files/styles/thumbnail/public/images/media/2024-11/Magnet%20groupie.jpeg?itok=hmh7wJ5G" width="90" height="90" alt="Magnet group A2T" loading="lazy" /> </div></div><div class="views-field views-field-title"><span class="field-content"><a href="/article/2024/11/20/accelerator-magnets-ready-beam" hreflang="en">Accelerator Magnets Ready for Beam</a></span></div><div class="views-field views-field-view-node"><span class="field-content"><a href="/article/2024/11/20/accelerator-magnets-ready-beam" hreflang="en">view</a></span></div></div> <div class="views-row"><div class="views-field views-field-field-media-single"><div class="field-content"> <img class="image" src="/sites/default/files/styles/thumbnail/public/images/media/2024-11/DSC_8559.jpeg?itok=oriqP3bY" width="90" height="90" alt="Detector Lab Utg氓rd" loading="lazy" /> </div></div><div class="views-field views-field-title"><span class="field-content"><a href="/article/2024/11/12/cutting-edge-detector-technology-ess-detector-lab" hreflang="en">Cutting-Edge Detector Technology at ESS Detector Lab</a></span></div><div class="views-field views-field-view-node"><span class="field-content"><a href="/article/2024/11/12/cutting-edge-detector-technology-ess-detector-lab" hreflang="en">view</a></span></div></div> <div class="views-row"><div class="views-field views-field-field-media-single"><div class="field-content"> <img class="image" src="/sites/default/files/styles/thumbnail/public/images/media/2024-11/WCC%20completion.png?itok=8NAO7tNY" width="90" height="90" alt="WCC team" loading="lazy" /> </div></div><div class="views-field views-field-title"><span class="field-content"><a href="/article/2024/11/04/warm-coupler-conditioning-completed-ess-accelerator-prepares-cold-operation" hreflang="en">Warm Coupler Conditioning Completed - 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