Direct detection of light dark matter with superconducting thermometers (7 June 2023)

<!DOCTYPE html> <html lang="en" prefix="og: http://ogp.me/ns#" data-canonical-locale="en-GB" data-static-site="false"> <head> <title>Direct detection of light dark matter with superconducting thermometers (7 June 2023) · Indico</title> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="csrf-token" id="csrf-token" content="00000000-0000-0000-0000-000000000000"> <link rel="shortcut icon" type="image/x-icon" href="/images/indico.ico"> <meta property="og:site_name" content="Indico"> <meta property="og:image" content="https://indico.cern.ch/images/indico_square.png"> <meta property="og:title" content="Direct detection of light dark matter with superconducting thermometers"> <meta property="og:type" content="event"> <meta property="og:description" content="In the past decades, numerous experiments have emerged to unveil the nature of dark matter (DM), one of the most discussed open questions in modern particle physics. Direct detection experiments aim to measure the scattering of DM particles off a target material. The expected DM scattering rate increases exponentially towards lower nuclear recoil energies, and is inversely proportional to the DM mass, thus a low detection threshold is crucial to measure light dark matter. The lowest nuclear..."> <script type="application/ld+json"> {"@context":"http://schema.org","@type":"Event","description":"In the past decades, numerous experiments have emerged to unveil the nature of dark matter (DM), one of the most discussed open questions in modern particle physics. Direct detection experiments aim to measure the scattering of DM particles off a target material. The expected DM scattering rate increases exponentially towards lower nuclear recoil energies, and is inversely proportional to the DM mass, thus a low detection threshold is crucial to measure light dark matter. The lowest nuclear recoil thresholds today are of O(10 eV) and are reached with detectors that use superconducting thermometers for the collection of athermal phonons from monocristalline targets. In this lecture, we review the challenges in the direct search for light dark matter and cover the technology of superconducting thermometers in detail.About the speaker\u00a0Felix Wagner is a Ph.D. candidate at the Institute of High Energy Physics (HEPHY) of the Austrian Academy of Sciences. He is working on the CRESST and COSINS direct detection dark matter experiments and has published software and methods for the analysis of cryogenic particle detectors with superconducting thermometers.","endDate":"2023-06-07T12:00:00+02:00","location":{"@type":"Place","address":"No address set","name":"CERN"},"name":"Direct detection of light dark matter with superconducting thermometers","performer":[{"@type":"Person","affiliation":{"@type":"Organization","name":"Austrian Academy of Sciences"},"name":"Felix Wagner"}],"startDate":"2023-06-07T11:00:00+02:00","url":"https://indico.cern.ch/event/1248480/"} </script> <script type="text/javascript" src="/assets/i18n/en_GB.js"></script> <script type="text/javascript" src="/assets/i18n/en_GB-react.js"></script> <script type="text/javascript" src="/assets/js-vars/global.js"></script> <script src="/dist/js/exports.88bb921b.bundle.js"></script> <script src="/dist/js/common-runtime.23156d3d.bundle.js"></script> <link rel="stylesheet" href="/dist/css/common.c1d85dae.css" /> <script src="/dist/js/common.53c60872.bundle.js"></script> <link rel="stylesheet" href="/dist/css/react.c0eb75b7.css" /> <script src="/dist/js/react.cbe66cee.bundle.js"></script> <script src="/dist/js/semantic-ui.32899e53.bundle.js"></script> <link rel="stylesheet" href="/dist/css/semantic-ui.03304b73.css" /> <link rel="stylesheet" href="/dist/css/jquery.dee9784c.css" /> <script src="/dist/js/jquery.a9536603.bundle.js"></script> <link rel="stylesheet" href="/dist/css/main.bae03e7a.css" /> <script src="/dist/js/main.3d6afa70.bundle.js"></script> <script src="/dist/js/module_core.5cfba714.bundle.js"></script> <script src="/dist/js/module_events.creation.f24ad529.bundle.js"></script> <script src="/dist/js/module_attachments.7bdcd885.bundle.js"></script> <script src="/dist/js/outdatedbrowser.474403ac.bundle.js"></script> <link rel="stylesheet" href="/dist/css/outdatedbrowser.17d2ff9d.css" /> <script src="/dist/js/module_events.display.59645e8e.bundle.js"></script> <script src="/dist/js/module_events.contributions.0c5df12b.bundle.js"></script> <script src="/dist/js/module_events.header.1ef6cec6.bundle.js"></script> <script src="/dist/js/module_events.search.49360505.bundle.js"></script> <script src="/dist/js/module_vc.0ba71b8f.bundle.js"></script> <script src="/dist/js/module_events.cloning.08447b32.bundle.js"></script> <script src="/dist/js/module_events.importing.f9462014.bundle.js"></script> <link rel="stylesheet" href="/dist/css/themes_lecture.6787dd7c.css" /> <script src="/static/plugins/ursh/dist/js/main.583c4589.bundle.js"></script> <link rel="stylesheet" href="/static/plugins/owncloud/dist/css/main.9fc172fa.css" /> <link rel="stylesheet" href="/static/plugins/conversion/dist/css/main.68b4f5cc.css" /> <script src="/static/plugins/owncloud/dist/js/owncloud.ccba48fe.bundle.js"></script> <link rel="stylesheet" href="/static/plugins/vc_zoom/dist/css/main.d5d0f591.css" /> <script src="/static/plugins/vc_zoom/dist/js/main.a1f20b82.bundle.js"></script> <script src="/static/plugins/ravem/dist/js/main.f3a86d52.bundle.js"></script> <script src="/static/plugins/conversion/dist/js/main.df56b341.bundle.js"></script> <script> moment.locale(["en-gb", 'en']); IndicoGlobalVars.isUserAuthenticated = false; </script> <script type="text/javascript" src="/assets/js-vars/user.js"></script> <script src="/dist/js/mathjax.285a258c.bundle.js"></script> <link rel="stylesheet" type="text/css" href="/static/custom/css/footer.css">  <script> (function() { 'use strict'; var url = '//piwik.web.cern.ch/'; var g = document.createElement('script'); var s = document.getElementsByTagName('script')[0]; g.type = 'text/javascript'; g.defer = true; g.async = true; g.src = url + 'piwik.js'; g.onload = init_tracking; s.parentNode.insertBefore(g, s); function init_tracking() { try { track_site(); track_event(); } catch(err) {} } function track_site() { var general_tracker = Piwik.getTracker(url + 'piwik.php', 59); general_tracker.enableLinkTracking(); general_tracker.trackPageView(); } function track_event() { var event_tracker = Piwik.getTracker(url + 'piwik.php', 56); event_tracker.enableLinkTracking(); event_tracker.setCustomVariable(1, 'Conference', '1248480', 'page'); event_tracker.trackPageView(); } })(); </script>  </head> <body data-user-id="null" data-debug="false" data-tinymce-content-css="["/dist/css/common.c1d85dae.css","/dist/css/react.c0eb75b7.css","/dist/css/semantic-ui.03304b73.css","/dist/css/jquery.dee9784c.css","/dist/css/main.bae03e7a.css"]" > <ind-bypass-block-links></ind-bypass-block-links> <div class="header"> <div class="announcement-bar weak-hidden warning" data-hash="2449555847"> <div class="flexrow f-self-stretch f-j-center f-a-center"> <i class="icon icon-warning"></i> <div> <p>Help us make Indico better by taking <a href="https://forms.gle/a8cYVhuBxMfFjSb98">this survey</a>! 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Direct detection experiments aim to measure the scattering of DM particles off a target material. The expected DM scattering rate increases exponentially towards lower nuclear recoil energies, and is inversely proportional to the DM mass, thus a low detection threshold is crucial to measure light dark matter. The lowest nuclear recoil thresholds today are of O(10 eV) and are reached with detectors that use superconducting thermometers for the collection of athermal phonons from monocristalline targets. In this lecture, we review the challenges in the direct search for light dark matter and cover the technology of superconducting thermometers in detail.</span></p><p><span><strong>About the speaker</strong></span> <br><span style="color:hsl(210,75%,60%);"><span><strong>Felix Wagner</strong></span></span><span> is a Ph.D. candidate at the Institute of High Energy Physics (HEPHY) of the Austrian Academy of Sciences. He is working on the CRESST and COSINS direct detection dark matter experiments and has published software and methods for the analysis of cryogenic particle detectors with superconducting thermometers.</span></p> </div> </div> </div> <div class="event-details-row"> <div class="event-details-label icon-attachment inline-attachments-icon"></div> <div class="event-details-content material-list"> <div class="attachments-display-container toolbar"> <div class="folder"> <a class="attachment icon-file-pdf i-button" data-previewable="false" data-attachment-id="4612962" href="/event/1248480/attachments/2661868/4612962/Superconducting%20thermometers%20for%20the%20direct%20detection%20of%20dark%20matter.pdf" target="_blank" rel="noopener noreferrer" title="1.Slides"><span class="title">1.Slides</span></a> </div> <div class="folder"> <a class="attachment icon-link i-button" data-previewable="false" data-attachment-id="4611577" href="https://cds.cern.ch/record/2861139" target="_blank" rel="noopener noreferrer" title="Recording"><span class="title">Recording</span></a> </div> <div class="folder"> <a class="attachment icon-link i-button" data-previewable="false" data-attachment-id="4611578" href="https://lecturemedia.cern.ch/2023/1248480/" target="_blank" rel="noopener noreferrer" title="Video preview"><span class="title">Video preview</span></a> </div> </div> </div> </div> <div class="event-details-row"> <div class="event-details-label">Organised by</div> <div class="event-details-content"><p><i><a href="https://phonebook.cern.ch/phonebook/#personDetails/?id=412742">Miguel Angel Marquina</a> and <a href="https://phonebook.cern.ch/phonebook/#personDetails/?id=845487">Anastasiia Lazuka</a> - Communication, Education and Outreach/<a href="http://cern.ch/it-dep">IT Department</a></i></p><i> <hr> </i><p><i>If you are interested to contribute to the <a href="https://indico.cern.ch/category/14582/">QTI Lecture programme</a>, please contact us at <a href="mailto:quantum-edu@cern.ch">quantum-edu@cern.ch</a><br> <a href="https://quantum.cern/">CERN Quantum Technology Initiative</a> - Follow us on <a href="https://twitter.com/CERNquantum">Twitter</a> and <a href="https://www.linkedin.com/showcase/cern-quantum-technology-initiative-cern-qti/?viewAsMember=true">LinkedIn</a>.</i></p> <p>  </p><p><b>Please note:</b><br> Participants without CERN or Indico credentials should register below to receive the Zoom passcode by mail on the date of the event.</p></div> </div> <div class="vc-room-list"> <ind-vc-room-segment class="ui segment vc-room-segment"> <div class="ui secondary menu"> <div class="item vc-icon"> <img src="/static/plugins/vc_zoom/images/zoom_logo.svg"> </div> <div class="item vc-room-name"> QTI Room "John Stewart Bell" </div> <div class="right menu"> <div class="item"> <div class="event-service-toolbar right"> <ind-vc-zoom-join-button classes="blue " description="Join the Zoom Meeting" 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Direct detection of light dark matter with superconducting thermometers (7 June 2023) · Indico