CINXE.COM
ASACUSA | CERN
<!DOCTYPE html> <html lang="fr" dir="ltr" prefix="content: http://purl.org/rss/1.0/modules/content/ dc: http://purl.org/dc/terms/ foaf: http://xmlns.com/foaf/0.1/ og: http://ogp.me/ns# rdfs: http://www.w3.org/2000/01/rdf-schema# schema: http://schema.org/ sioc: http://rdfs.org/sioc/ns# sioct: http://rdfs.org/sioc/types# skos: http://www.w3.org/2004/02/skos/core# xsd: http://www.w3.org/2001/XMLSchema# "> <head> <meta charset="utf-8" /> <script>var _paq = _paq || [];(function(){var u=(("https:" == document.location.protocol) ? "https://webanalytics.web.cern.ch/" : "http://webanalytics.web.cern.ch/");_paq.push(["setSiteId", "22"]);_paq.push(["setTrackerUrl", u+"matomo.php"]);_paq.push(["setDoNotTrack", 1]);if (!window.matomo_search_results_active) {_paq.push(["trackPageView"]);}_paq.push(["setIgnoreClasses", ["no-tracking","colorbox"]]);_paq.push(["enableLinkTracking"]);var d=document,g=d.createElement("script"),s=d.getElementsByTagName("script")[0];g.type="text/javascript";g.defer=true;g.async=true;g.src=u+"matomo.js";s.parentNode.insertBefore(g,s);})();</script> <meta name="keywords" content="physics, CERN, Large Hadron Collider, LHC, high-energy physics, particles, science" /> <link rel="canonical" href="https://home.cern/fr/science/experiments/asacusa" /> <meta property="og:site_name" content="CERN" /> <meta property="og:type" content="website" /> <meta property="og:url" content="https://home.cern/fr/science/experiments/asacusa" /> <meta property="og:title" content="ASACUSA" /> <meta property="og:image" content="https://cds.cern.ch/images//file?size=medium" /> <meta name="twitter:card" content="summary_large_image" /> <meta name="twitter:site" content="@cern" /> <meta name="twitter:title" content="ASACUSA" /> <meta name="twitter:image" content="https://cds.cern.ch/images//file?size=medium" /> <meta name="Generator" content="Drupal 10 (https://www.drupal.org)" /> <meta name="MobileOptimized" content="width" /> <meta name="HandheldFriendly" content="true" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <link rel="icon" href="/sites/default/themes/custom/cernpublic/favicon.ico" type="image/vnd.microsoft.icon" /> <link rel="alternate" hreflang="en" href="https://home.cern/science/experiments/asacusa" /> <link rel="alternate" hreflang="fr" href="https://home.cern/fr/science/experiments/asacusa" /> <title>ASACUSA | CERN</title> <link rel="stylesheet" media="all" href="/modules/custom/cern-loading/css/cern_loading.css?smqvgl" /> <link rel="stylesheet" media="all" href="//framework.web.cern.ch/framework/3.0/js/owlcarousel/css/owl.carousel.css" /> <link rel="stylesheet" media="all" href="//framework.web.cern.ch/framework/3.0/js/owlcarousel/css/owl.theme.default.css" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/align.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/fieldgroup.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/container-inline.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/clearfix.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/details.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/hidden.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/item-list.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/js.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/nowrap.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/position-container.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/progress.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/reset-appearance.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/resize.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/sticky-header.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/system-status-counter.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/system-status-report-counters.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/system-status-report-general-info.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/tablesort.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/system/css/components/tree-child.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/modules/custom/cern-components/patterns/molecules/story-page/css/story-page.component.css?smqvgl" /> <link rel="stylesheet" media="all" href="/modules/custom/cern-toolbar/assets/css/screen.css?smqvgl" /> <link rel="stylesheet" media="all" href="/modules/custom/cern-toolbar/assets/css/cookieconsent.css?smqvgl" /> <link rel="stylesheet" media="all" href="/modules/custom/cern-components/patterns/molecules/menu/css/menu.component.css?smqvgl" /> <link rel="stylesheet" media="all" href="/core/modules/views/css/views.module.css?smqvgl" /> <link rel="stylesheet" media="all" href="/modules/custom/cern-components/patterns/molecules/preview-card/css/component-preview-card.css?smqvgl" /> <link rel="stylesheet" media="all" href="/modules/contrib/paragraphs/css/paragraphs.unpublished.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/files/color/cernpublic-ac827e9a/colors.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/base.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/layout.css?smqvgl" /> <link rel="stylesheet" media="all" href="//framework.web.cern.ch/framework/3.0/js/prism/prism.css" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/footer.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/header.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/pagination.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/forms.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/fields.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/dropdown.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/progress.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/accordion.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/components/social-sharing.css?smqvgl" /> <link rel="stylesheet" media="all" href="//framework.web.cern.ch/framework/3.0/js/colorbox/colorbox.css" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/theme.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/cookies.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/viewspage.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/faq-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/agenda-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/news-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/stories-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/resources-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/taxonomies-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/search-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/common-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernbase/css/views/generic-views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernpublic/css/layout.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernpublic/css/overrides.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernpublic/css/header.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernpublic/css/views.css?smqvgl" /> <link rel="stylesheet" media="all" href="/sites/default/themes/custom/cernpublic/css/blocks.css?smqvgl" /> <link rel="preload" href="//framework.web.cern.ch/framework/3.0/images/loader.gif" as="image"> </head> <body class="page-node-461 page-node-type-story_page cern-theme-on path-node page-node-type-story-page has-glyphicons"> <a href="#main-content" class="visually-hidden focusable skip-link"> Aller au contenu principal </a> <div id="cern-global-loading-layout"><span><span></span></span><span></span></div><div id="cern-toolbar" role="group" aria-label="Barre d'outils CERN" class="user-not-authenticated"> <h1> <a href="//home.cern" title="CERN"> CERN <span>Accélérateur de science</span> </a> </h1> <ul> <li class="signin"> <div class="item-list item-list-length-1"> <ul class="cern-signedin toolbar-submenu"><li class="cern-account-links"><a href="https://home.cern/fr/user/login?destination=fr/science/experiments/asacusa" class="cern-account cern-signin cern-single-mobile-signin">Connexion</a></li></ul> </div> </li> <li><a href="//cern.ch/directory" class="cern-directory" title="Recherche et liens utiles">Liens utiles</a></li> </ul> </div> <div class="dialog-off-canvas-main-canvas" data-off-canvas-main-canvas> <header role="banner"> <div class="header-wrapper"> <div class="site-info col-xs-12 col-sm-2 col-md-3 col-lg-4"> <div class="site-info__logo col-lg-3 col-md-3 col-sm-3"> <a href="/fr" title="Accueil" rel="home"> <img src="/sites/default/files/logo/cern-logo.png" alt="home"/> </a> </div> <div class="site-info__text col-lg-9 col-md-9 col-sm-0 col-xs-9"> </div> </div> <div class="site-nav col-xs-12 col-sm-10 col-md-9 col-lg-8"> <div class="region region-header"> <section id="block-cernmegamenu" class="block block-block-content block-block-content51503ac3-f37a-4ef6-9d9e-34cac1020012 clearfix"> <div class="field field--name-field-b-menu field--type-entity-reference-revisions field--label-hidden field--item"><nav role="navigation" aria-labelledby="block-mainnavigation-menu" id="block-mainnavigation" class="block-mainnavigation-cern-megamenu"> <nav class="navbar navbar-default"> <div class="container-fluid"> <!-- Brand and toggle get grouped for better mobile display --> <div class="navbar-header"> <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> </div> <!-- Collect the nav links, forms, and other content for toggling --> <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1"> <ul class="nav navbar-nav"> <li class="cern-dropdown"> <a class="dropdown-toggle"> Le CERN </a> <div class="cern-dropdown-menu row"> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <div class="block-custom-wrapper block-content block-content--type-basic block-content--view-mode-default ds-1col clearfix"> <div class="field field--name-body field--type-text-with-summary field--label-hidden field--item"><h2>CERN</h2> <p>Au CERN, nous sondons la structure fondamentale de la matière qui compose tout ce qui nous entoure. Pour ce faire, nous utilisons les instruments scientifiques les plus grands et les plus complexes du monde.</p> <p class="cern-btn"><a href="/fr/about">En savoir plus</a></p> </div> </div> </div> <div class="col-xs-0 col-sm-0 col-md-8 col-lg-8 col-item-megamenu"> <div class="row"> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/fr/about/who-we-are" data-drupal-link-system-path="node/5898">Qui sommes-nous ?</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/about/who-we-are/our-mission" data-drupal-link-system-path="node/5273">Nos missions</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/about/who-we-are/our-governance" data-drupal-link-system-path="node/5277">Notre gouvernance</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/about/who-we-are/our-governance/member-states" data-drupal-link-system-path="node/5278">Nos États membres</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/about/who-we-are/our-history" data-drupal-link-system-path="node/5028">Notre histoire</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/about/who-we-are/our-people" data-drupal-link-system-path="node/5430">Our People</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/fr/about/what-we-do" data-drupal-link-system-path="node/5899">Quelles sont nos recherches ?</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/about/what-we-do/fundamental-research" data-drupal-link-system-path="node/5920">Recherche fondamentale</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/about/what-we-do/our-impact" data-drupal-link-system-path="node/5435">Contribuer à la société</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/about/what-we-do/environmentally-responsible-research" data-drupal-link-system-path="node/185640">Recherche respectueuse de l'environnement</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/about/what-we-do/bring-nations-together" data-drupal-link-system-path="node/157979">Rassembler les nations</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/about/what-we-do/inspire-educate" data-drupal-link-system-path="node/9390">Sensibiliser et former</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources/faqs" data-drupal-link-system-path="resources/faqs">Faits et FAQs</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0 cernmenu-level-last "> <a href="/fr/about/key-achievements" data-drupal-link-system-path="node/5497">Nos réalisations</a> </p> </li> </ul> <div class="block-custom-wrapper block-content block-content--type-basic block-content--view-mode-default ds-1col clearfix"> <div class="field field--name-field-visible-title field--type-string field--label-hidden field--item"> <p>Key achievements submenu FR</p> </div> <div class="field field--name-body field--type-text-with-summary field--label-hidden field--item"><ul class="cern-submenu custom-block-submenu"> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/fr/science/physics/higgs-boson">Boson de Higgs</a></p> </li> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/fr/science/physics/w-boson-sunshine-and-stardust">Le boson W</a></p> </li> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/fr/science/physics/z-boson">Le boson Z</a></p> </li> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/fr/science/accelerators/large-hadron-collider">Grand collisionneur de hadrons</a></p> </li> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/fr/science/computing/birth-web">La naissance du web</a></p> </li> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/fr/science/physics/antimatter">Antimatière</a></p> </li> </ul> </div> </div> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> </div> </div> </div> <div class="close-cern-dropdown"></div> </div> </li> <li class="cern-dropdown"> <a class="dropdown-toggle"> Actualités </a> <div class="cern-dropdown-menu row"> <div class="col-xs-12 col-sm-12 col-md-6 col-lg-6 col-item-megamenu"> <div class="views-element-container form-group"> <div class="view view-cern-news-menu-featured view-id-cern_news_menu_featured view-display-id-block_1 js-view-dom-id-23d0ab0532ec9cbb42a2d7971ba8dd1df11fa868d334d856cf4da2e0c91f29bf cern-view-display-block cern-view-display-block_1 clearfix"> <div class="view-header"> <p>Actualités, opinions, annonces et articles à la une</p> </div> <div class="view-content clearfix"> <div class="views-row"> <div data-history-node-id="191265" id="preview-card" class="component-preview-cards box-pattern news_page" style="background:url('/sites/default/files/styles/large/public/2024-11/202410-267_167.jpg?itok=9FkCAvwX') no-repeat center center / cover" data-background="/sites/default/files/styles/large/public/2024-11/202410-267_167.jpg?itok=9FkCAvwX" class="component-preview-cards box-pattern news_page"> <a class="box-link" target="" href="/fr/news/press-release/cern/cern-council-selects-mark-thomson-next-director-general-starting-2026"></a> <div class="component-preview-cards__veil"></div> <div class="component-preview-cards__box_wrapper"> <div class="component-preview-cards__box"> <div class="preview-card__title"> <h3 class="standard-title"> <a href="/fr/news/press-release/cern/cern-council-selects-mark-thomson-next-director-general-starting-2026" hreflang="fr" title="Le Conseil du CERN choisit Mark Thomson comme prochain directeur général du CERN à compter de 2026"> <span> Le Conseil du CERN choisit Mark Thomson comme... </span> </a> </h3> </div> <div class="preview-card__body"></div> <div class="preview-cards__subtext"> <div class="preview-card__category" style="color:"> At CERN </div> <div class="preview-card__category" style="color:"> Press release </div> <div class="preview-card__date" style="color:"> <time datetime="2024-11-06T11:00:02Z">6 novembre, 2024</time> </div> </div> </div> </div> </div> </div> <div class="views-row"> <div data-history-node-id="191152" id="preview-card--2" class="component-preview-cards box-pattern news_page" style="background:url('/sites/default/files/styles/large/public/2024-10/ba1938f2-89a3-4bdd-bd79-5b83ed6f3e35.JPG?itok=Lh4ptU3U') no-repeat center center / cover" data-background="/sites/default/files/styles/large/public/2024-10/ba1938f2-89a3-4bdd-bd79-5b83ed6f3e35.JPG?itok=Lh4ptU3U" class="component-preview-cards box-pattern news_page"> <a class="box-link" target="" href="/fr/news/news/cern/estonian-flag-raised-cern"></a> <div class="component-preview-cards__veil"></div> <div class="component-preview-cards__box_wrapper"> <div class="component-preview-cards__box"> <div class="preview-card__title"> <h3 class="standard-title"> <a href="/fr/news/news/cern/estonian-flag-raised-cern" hreflang="fr" title="Le drapeau de l’Estonie hissé au CERN"> <span> Le drapeau de l’Estonie hissé au CERN </span> </a> </h3> </div> <div class="preview-card__body"></div> <div class="preview-cards__subtext"> <div class="preview-card__category" style="color:"> At CERN </div> <div class="preview-card__category" style="color:"> News </div> <div class="preview-card__date" style="color:"> <time datetime="2024-10-17T12:33:54Z">17 octobre, 2024</time> </div> </div> </div> </div> </div> </div> <div class="views-row"> <div data-history-node-id="191124" id="preview-card" class="component-preview-cards box-pattern news_page" style="background:url('/sites/default/files/styles/large/public/2024-10/Picture%201.jpg?itok=YeI6iEmy') no-repeat center center / cover" data-background="/sites/default/files/styles/large/public/2024-10/Picture%201.jpg?itok=YeI6iEmy" class="component-preview-cards box-pattern news_page"> <a class="box-link" target="" href="/fr/news/press-release/physics/particle-physicists-chart-course-future"></a> <div class="component-preview-cards__veil"></div> <div class="component-preview-cards__box_wrapper"> <div class="component-preview-cards__box"> <div class="preview-card__title"> <h3 class="standard-title"> <a href="/fr/news/press-release/physics/particle-physicists-chart-course-future" hreflang="fr" title="La physique des particules dessine son avenir"> <span> La physique des particules dessine son avenir... </span> </a> </h3> </div> <div class="preview-card__body"></div> <div class="preview-cards__subtext"> <div class="preview-card__category" style="color:"> Physics </div> <div class="preview-card__category" style="color:"> Press release </div> <div class="preview-card__date" style="color:"> <time datetime="2024-10-11T09:08:31Z">11 octobre, 2024</time> </div> </div> </div> </div> </div> </div> <div class="views-row"> <div data-history-node-id="191077" id="preview-card--4" class="component-preview-cards box-pattern news_page" style="background:url('/sites/default/files/styles/large/public/2024-10/10-Family-photo%20%281%29.jpg?itok=UtnK0P4h') no-repeat center center / cover" data-background="/sites/default/files/styles/large/public/2024-10/10-Family-photo%20%281%29.jpg?itok=UtnK0P4h" class="component-preview-cards box-pattern news_page"> <a class="box-link" target="" href="/fr/news/press-release/cern/blowing-out-70-candles-cern-celebrates-seven-decades-discoveries-and-looks"></a> <div class="component-preview-cards__veil"></div> <div class="component-preview-cards__box_wrapper"> <div class="component-preview-cards__box"> <div class="preview-card__title"> <h3 class="standard-title"> <a href="/fr/news/press-release/cern/blowing-out-70-candles-cern-celebrates-seven-decades-discoveries-and-looks" hreflang="fr" title="Le CERN souffle ses 70 bougies, l’occasion de célébrer sept décennies de découvertes et de se projeter vers un futur brillant pour la science et l’innovation"> <span> Le CERN souffle ses 70 bougies, l’occasion de... </span> </a> </h3> </div> <div class="preview-card__body"></div> <div class="preview-cards__subtext"> <div class="preview-card__category" style="color:"> At CERN </div> <div class="preview-card__category" style="color:"> Press release </div> <div class="preview-card__date" style="color:"> <time datetime="2024-10-01T10:00:00Z">1 octobre, 2024</time> </div> </div> </div> </div> </div> </div> </div> <div class="view-footer"> <p class="cern-btn"><a class="cern-btn" href="/fr/news?audience=23">Dernières actualités</a></p> </div> </div> </div> </div> <div class="col-xs-0 col-sm-0 col-md-6 col-lg-6 col-item-megamenu"> <div class="row"> <div class="col-xs-12 col-sm-12 col-md-6 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/fr/news?audience=23" data-drupal-link-query="{"audience":"23"}" data-drupal-link-system-path="news">Actualités</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/news?topic=1114" data-drupal-link-query="{"topic":"1114"}" data-drupal-link-system-path="news">Accélérateurs</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/news?topic=1118" data-drupal-link-query="{"topic":"1118"}" data-drupal-link-system-path="news">Au CERN</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/news?topic=1117" data-drupal-link-query="{"topic":"1117"}" data-drupal-link-system-path="news">Expériences</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/news?topic=1116" data-drupal-link-query="{"topic":"1116"}" data-drupal-link-system-path="news">Informatique</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/news?topic=1115" data-drupal-link-query="{"topic":"1115"}" data-drupal-link-system-path="news">Ingénierie</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/news?topic=1119" data-drupal-link-query="{"topic":"1119"}" data-drupal-link-system-path="news">Partage de connaissances</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/news?topic=1113" data-drupal-link-query="{"topic":"1113"}" data-drupal-link-system-path="news">Physique</a> </p> </li> </ul> </li> </ul> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0 cernmenu-level-last "> <a href="/fr/events" data-drupal-link-system-path="events">Évènements</a> </p> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-6 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/fr/cern-community" data-drupal-link-system-path="node/5872">Communauté du CERN</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/news?audience=24" data-drupal-link-query="{"audience":"24"}" data-drupal-link-system-path="news">Dernières actualités et annonces</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/news?type=45" data-drupal-link-query="{"type":"45"}" data-drupal-link-system-path="news">Communications officielles</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/taxonomy/term/494" data-drupal-link-system-path="taxonomy/term/494">Évènements</a> </p> </li> </ul> </li> </ul> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/fr/scientists" data-drupal-link-system-path="node/5827">Scientifiques</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/news?audience=19" data-drupal-link-query="{"audience":"19"}" data-drupal-link-system-path="news">Actualités</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-6 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0 cernmenu-level-last "> <a href="/fr/press" data-drupal-link-system-path="node/5032">Presse</a> </p> </li> </ul> <div class="block-custom-wrapper block-content block-content--type-basic block-content--view-mode-default ds-1col clearfix"> <div class="field field--name-field-visible-title field--type-string field--label-hidden field--item"> <p>Press Room submenu FR</p> </div> <div class="field field--name-body field--type-text-with-summary field--label-hidden field--item"><ul class="cern-submenu custom-block-submenu"> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/fr/news?audience=22">Dernières actualités</a></p> </li> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/fr/press/resources">Ressources</a></p> </li> <li> <p class="cernmenu-level-1 cernmenu-level-last "><a href="/fr/press/contact">Contact Bureau de Presse</a></p> </li> </ul> </div> </div> </div> </div> </div> <div class="close-cern-dropdown"></div> </div> </li> <li class="cern-dropdown"> <a class="dropdown-toggle"> Science </a> <div class="cern-dropdown-menu row"> <div class="col-xs-12 col-sm-12 col-md-3 col-lg-3 col-item-megamenu"> <div class="block-custom-wrapper block-content block-content--type-basic block-content--view-mode-default ds-1col clearfix"> <div class="field field--name-body field--type-text-with-summary field--label-hidden field--item"><h2><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">Science</font></font></h2> <figure class="cds-image" id="CERN-IT-1209226-01"><a href="//cds.cern.ch/images/CERN-IT-1209226-01" title="View on CDS"><img alt="Computer Center" src="//cds.cern.ch/images/CERN-IT-1209226-01/file?size=small"></a></figure> <p><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">CERN's research program covers many topics, from antimatter to dark matter, from the Standard Model to supersymmetry</font></font></p> <p class="cern-btn"><a href="/fr/science"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">Learn more</font></font></a></p> </div> </div> </div> <div class="col-xs-0 col-sm-0 col-md-9 col-lg-9 col-item-megamenu"> <div class="row"> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/fr/science/physics" data-drupal-link-system-path="node/5298">Physique</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/physics/antimatter" data-drupal-link-system-path="node/5026">Antimatière</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/physics/dark-matter" data-drupal-link-system-path="node/497">Matière noire</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/early-universe" data-drupal-link-system-path="node/499">Univers primordial</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/physics/higgs-boson" data-drupal-link-system-path="node/182651">Boson de Higgs</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/physics/standard-model" data-drupal-link-system-path="node/496">Modèle standard</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/physics" class="plus-more-link" data-drupal-link-system-path="node/5298">+ et plus</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/fr/science/accelerators" data-drupal-link-system-path="node/5038">Accélérateurs</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/accelerators/accelerator-complex" data-drupal-link-system-path="node/18036">Complexe d'accélérateurs</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/accelerators/antiproton-decelerator" data-drupal-link-system-path="node/428">Décélérateur d'antiprotons</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/accelerators/large-hadron-collider" data-drupal-link-system-path="node/432">Grand collisionneur de hadrons</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/accelerators/high-luminosity-lhc" data-drupal-link-system-path="node/5248">LHC à haute luminosité</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/accelerators" class="plus-more-link" data-drupal-link-system-path="node/5038">+ et plus</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/fr/science/engineering" data-drupal-link-system-path="node/5304">Ingénierie</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/engineering/accelerating-radiofrequency-cavities" data-drupal-link-system-path="node/455">Accélérer: Les cavités radiofréquence</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/pulling-together-superconducting-electromagnets" data-drupal-link-system-path="node/452">Guider et focaliser: Les aimants et la supraconductivité</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/engineering/vacuum-empty-interstellar-space" data-drupal-link-system-path="node/454">Circuler: Le vide et l'ultravide</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/engineering/cryogenics-low-temperatures-high-performance" data-drupal-link-system-path="node/451">Refroidir: La cryogénie</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/engineering/powering-cern" data-drupal-link-system-path="node/453">Alimenter: L'énergie au CERN</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/engineering" class="plus-more-link" data-drupal-link-system-path="node/5304">+ et plus</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/fr/science/computing" data-drupal-link-system-path="node/5732">Informatique</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/computing/data-centre" data-drupal-link-system-path="node/5733">Le centre de calcul du CERN</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/computing/grid" data-drupal-link-system-path="node/5736">La Grille de calcul mondiale pour le LHC</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/computing/cern-openlab" data-drupal-link-system-path="node/5759">CERN openlab</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/computing/open-source-open-science" data-drupal-link-system-path="node/5747">Logiciels libres pour une science ouverte</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/computing/birth-web" data-drupal-link-system-path="node/5762">La naissance du web</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/computing" class="plus-more-link" data-drupal-link-system-path="node/5732">+ et plus</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <a href="/fr/science/experiments" data-drupal-link-system-path="node/5303">Expériences</a> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/experiments/alice" data-drupal-link-system-path="node/470">ALICE</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/experiments/atlas" data-drupal-link-system-path="node/471">ATLAS</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/experiments/cms" data-drupal-link-system-path="node/472">CMS</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/experiments/lhcb" data-drupal-link-system-path="node/473">LHCb</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/science/experiments" class="plus-more-link" data-drupal-link-system-path="node/5303">+ et plus</a> </p> </li> </ul> </li> </ul> </div> </div> </div> <div class="close-cern-dropdown"></div> </div> </li> <li class="cern-dropdown"> <a class="dropdown-toggle"> Ressources </a> <div class="cern-dropdown-menu row"> <div class="col-xs-12 col-sm-12 col-md-6 col-lg-6 col-item-megamenu"> <div class="views-element-container form-group"> <div class="view view-resource-menu-content view-id-resource_menu_content view-display-id-block_1 js-view-dom-id-fd234985e46b7b5939846ea23eb8370bf297a554cb01c092fdafe8e94984c6bb cern-view-display-block cern-view-display-block_1 clearfix"> <h1 class="mb-3 mt-3 text-center">Featured resources</h1> <div class="view-content clearfix"> <div class="views-row"> <div class="views-field views-field-rendered-entity"><span class="field-content"> <div data-history-node-id="5054" id="preview-card--5" class="component-preview-cards box-pattern news_page" style="background:url('//cds.cern.ch/images/CERN-PHOTO-201809-249-16/file?size=medium') no-repeat center center / cover" data-background="//cds.cern.ch/images/CERN-PHOTO-201809-249-16/file?size=medium" class="component-preview-cards box-pattern news_page"> <a class="box-link" target="" href="/fr/resources/annual-report/cern/annual-reports"></a> <div class="component-preview-cards__veil"></div> <div class="component-preview-cards__box_wrapper"> <div class="component-preview-cards__box"> <div class="component-preview-cards__category-icon-vocabulary" data-icon="^"></div> <div class="preview-card__title"> <h3 class="standard-title"> <a href="/fr/resources/annual-report/cern/annual-reports" hreflang="fr" title="Rapport annuel"> <span> Rapport annuel </span> </a> </h3> </div> <div class="preview-card__body"></div> <div class="preview-cards__subtext"> <div class="preview-card__category" style="color:"> Annual report </div> <div class="preview-card__category" style="color:"> At CERN </div> <div class="preview-card__date" style="color:"> <time datetime="2018-06-20T16:48:31Z">20 juin, 2018</time> </div> </div> </div> </div> </div> </span></div> </div> <div class="views-row"> <div class="views-field views-field-rendered-entity"><span class="field-content"> <div data-history-node-id="5179" id="preview-card--6" class="component-preview-cards box-pattern news_page" style="background:url('/sites/default/files/styles/large/public/2022-09/FAQ-LHC-FR-cover-min.JPG?itok=5liGbOgG') no-repeat center center / cover" data-background="/sites/default/files/styles/large/public/2022-09/FAQ-LHC-FR-cover-min.JPG?itok=5liGbOgG" class="component-preview-cards box-pattern news_page"> <a class="box-link" target="" href="/fr/resources/brochure/knowledge-sharing/lhc-facts-and-figures"></a> <div class="component-preview-cards__veil"></div> <div class="component-preview-cards__box_wrapper"> <div class="component-preview-cards__box"> <div class="component-preview-cards__category-icon-vocabulary" data-icon="^"></div> <div class="preview-card__title"> <h3 class="standard-title"> <a href="/fr/resources/brochure/knowledge-sharing/lhc-facts-and-figures" hreflang="fr" title="FAQ - Guide du LHC"> <span> FAQ - Guide du LHC </span> </a> </h3> </div> <div class="preview-card__body"></div> <div class="preview-cards__subtext"> <div class="preview-card__category" style="color:"> Brochure </div> <div class="preview-card__category" style="color:"> Knowledge sharing </div> <div class="preview-card__date" style="color:"> <time datetime="2022-05-10T10:00:00Z">10 mai, 2022</time> </div> </div> </div> </div> </div> </span></div> </div> </div> <div class="view-footer"> <p class="cern-btn"><a class="cern-btn" href="/fr/resources">Voir toutes les ressources</a></p> </div> </div> </div> </div> <div class="col-xs-0 col-sm-0 col-md-6 col-lg-6 col-item-megamenu"> <div class="row"> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <span>Par sujet </span> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?topic=1114" data-drupal-link-query="{"topic":"1114"}" data-drupal-link-system-path="resources">Accélérateurs</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?topic=1118" data-drupal-link-query="{"topic":"1118"}" data-drupal-link-system-path="resources">Au CERN</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?topic=1116" data-drupal-link-query="{"topic":"1116"}" data-drupal-link-system-path="resources">Informatique</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?topic=1115" data-drupal-link-query="{"topic":"1115"}" data-drupal-link-system-path="resources">Ingénierie</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?topic=1117" data-drupal-link-query="{"topic":"1117"}" data-drupal-link-system-path="resources">Expériences</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?topic=1119" data-drupal-link-query="{"topic":"1119"}" data-drupal-link-system-path="resources">Partage de connaissances</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?topic=1113" data-drupal-link-query="{"topic":"1113"}" data-drupal-link-system-path="resources">Physique</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <span>Par format</span> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?type=62" data-drupal-link-query="{"type":"62"}" data-drupal-link-system-path="resources">Image 360</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?type=53" data-drupal-link-query="{"type":"53"}" data-drupal-link-system-path="resources">Rapport annuel</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?type=56" data-drupal-link-query="{"type":"56"}" data-drupal-link-system-path="resources">Brochure</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources/bulletin/cern/cern-bulletin" data-drupal-link-system-path="node/5055">Bulletin pour la communauté du CERN</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?type=52" data-drupal-link-query="{"type":"52"}" data-drupal-link-system-path="resources">CERN Courier</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?type=59" data-drupal-link-query="{"type":"59"}" data-drupal-link-system-path="resources">Image</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?type=61" data-drupal-link-query="{"type":"61"}" data-drupal-link-system-path="resources">Vidéo</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources" class="plus-more-link" data-drupal-link-system-path="resources">+ et plus</a> </p> </li> </ul> </li> </ul> </div> <div class="col-xs-12 col-sm-12 col-md-4 col-lg-4 col-item-megamenu"> <ul class="cern-submenu"> <li> <p class="h2 cernmenu-level-0"> <span>Par public</span> </p> <ul class=""> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?audience=24" data-drupal-link-query="{"audience":"24"}" data-drupal-link-system-path="resources">Communauté du CERN</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?audience=21" data-drupal-link-query="{"audience":"21"}" data-drupal-link-system-path="resources">Enseignants</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?audience=23" data-drupal-link-query="{"audience":"23"}" data-drupal-link-system-path="resources">Grand public</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?audience=17" data-drupal-link-query="{"audience":"17"}" data-drupal-link-system-path="resources">Industrie</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/ressources/par-public/resources-topic" data-drupal-link-system-path="node/5436">Presse</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?audience=19" data-drupal-link-query="{"audience":"19"}" data-drupal-link-system-path="resources">Scientifiques</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources?audience=20" data-drupal-link-query="{"audience":"20"}" data-drupal-link-system-path="resources">Étudiants</a> </p> </li> <li> <p class=" cernmenu-level-1 cernmenu-level-last "> <a href="/fr/resources" class="plus-more-link" data-drupal-link-system-path="resources">+ et plus</a> </p> </li> </ul> </li> </ul> </div> </div> </div> <div class="close-cern-dropdown"></div> </div> </li> <li class="cern-dropdown cern-menu-search"> <a href="#" class="dropdown-toggle cern-menu-item-search">rechercher</a> <div class="cern-dropdown-menu row"> <div class="close-cern-dropdown"></div> <div class="col-md-offset-2 col-md-8 cern-menu-content-search"> <span class="placeholder-of-search hidden d-none">E.G. BIRTH OF WEB, LHC PAGE 1, BULLETIN...</span> <span class="placeholder-of-search-mobile hidden d-none">E.G. BIRTH OF WEB, LHC...</span> <div class="search-block-form block block-search block-search-form-block" data-drupal-selector="search-block-form" role="search"> <form action="/fr/search/node" method="get" id="search-block-form" accept-charset="UTF-8"> <div class="form-item js-form-item form-type-search js-form-type-search form-item-keys js-form-item-keys form-no-label form-group"> <label for="edit-keys" class="control-label sr-only">Rechercher</label> <div class="input-group"><input title="Indiquer les termes à rechercher" data-drupal-selector="edit-keys" class="form-search form-control" placeholder="Rechercher" type="search" id="edit-keys" name="keys" value="" size="15" maxlength="128" data-toggle="tooltip" /><span class="input-group-btn"><button type="submit" value="Rechercher" class="button js-form-submit form-submit btn-primary btn icon-only"><span class="sr-only">Rechercher</span><span class="icon glyphicon glyphicon-search" aria-hidden="true"></span></button></span></div> </div> <div class="form-actions form-group js-form-wrapper form-wrapper" data-drupal-selector="edit-actions" id="edit-actions"></div> </form> </div> </div> </div> </li> <li class="dropdown cern-menu-lang-switcher"> <a class="dropdown-toggle" data-toggle="dropdown" aria-expanded="true"> <span class="separator">|</span> fr <span class="caret"></span> </a> <ul class="dropdown-menu"> <li><section class="language-switcher-language-url block block-language block-language-blocklanguage-interface clearfix" role="navigation"> <ul class="links"><li hreflang="en" data-drupal-link-system-path="node/461" class="en"><a href="/science/experiments/asacusa" class="language-link" hreflang="en" data-drupal-link-system-path="node/461">en</a></li><li hreflang="fr" data-drupal-link-system-path="node/461" class="fr is-active"><a href="/fr/science/experiments/asacusa" class="language-link is-active" hreflang="fr" data-drupal-link-system-path="node/461">fr</a></li></ul> </section> </li> </ul> </li> </ul> </div> <!-- /.navbar-collapse --> </div> <!-- /.container-fluid --> </nav> </nav> </div> </section> </div> </div> </div> </div> </header> <main role="main"> <a id="main-content" tabindex="-1"></a> <div class="container-fluid cern-page-display-page cern-page-display-story_page"> <div class="has-no-column wrapper-center col-md-12 col-sm-12 col-xs-12"> <div class="region region-content"> <div data-drupal-messages-fallback class="hidden"></div> <div data-drupal-messages-fallback class="hidden"></div> <div class="layout layout__region story-page-node-layout-content"> <div class="field--items"> </div> <div class="story-page-node--image story-page-legacy-title" style="background: radial-gradient(at center center, rgba(0, 0, 0, 0.2) 0px, rgba(0, 0, 0, 0.5) 100%), url(/sites/default/files/2018-06/asacusa_0_1.jpg) no-repeat center center / cover"> <h1 class="story-page-node--title text-center mb-4"> ASACUSA </h1> <hr style="width: 150px;border-top-width: 2px;" /> <p class="story-page-node--strap text-center mb-4"><b>L'éxperience ASACUSA compare la matière avec l'antimatière en créent des atomes hybrides comme « l’hélium antiprotonique »</b></p> </div> <div class="container story-page-legacy-body"> <div class="story-page-node--body mt-2 clearfix"> <p><a href="https://asacusa.web.cern.ch/">ASACUSA</a> vise à étudier les différences fondamentales entre matière et antimatière. Contrairement à leurs collègues des expériences ATRAP et ALPHA, les physiciens d’ASACUSA ne comparent pas directement les atomes aux antiatomes correspondants : ils créent des atomes hybrides comme « l’hélium antiprotonique ».</p> <p>Avec deux électrons en orbite autour d’un noyau central, l’hélium possède, après l’hydrogène, la structure atomique la plus simple. C’est en remplaçant un de ces électrons par un antiproton (la particule d’antimatière correspondant au proton) que les physiciens obtiennent un atome d’ « hélium antiprotonique ». La création de ces hybrides s’avère moins difficile que la fabrication d’atomes d’antihydrogène (l'homologue d'antimatière de l'hydrogène), et leur durée de vie est plus longue.</p> <p>L’équipe ASACUSA utilise le décélérateur d’antimatière du CERN pour projeter des faisceaux d’antiprotons dans de l’hélium gazeux froid. La plupart des antiprotons s’annihilent rapidement au contact de la matière environnante. Seul un nombre très réduit se combine avec l’hélium en formant des atomes hybrides qui contiennent à la fois de la matière et de l’antimatière. Grâce à des faisceaux laser qui excitent les atomes, ASACUSA peut mesurer la masse de l’antiproton à un niveau de précision jamais atteint, permettant ainsi la comparaison avec le proton.</p> <p><iframe class="timeline" frameborder="0" height="850" scrolling="auto" src="https://timeline.web.cern.ch/timeline-header/86/export" width="100%"></iframe></p> </div> <div class="story-page-node--tags mt-2"> <a href="/tags/antimatter" hreflang="en">antimatter</a><a href="/tags/asacusa" hreflang="en">ASACUSA</a><a href="/tags/positron" hreflang="en">positron</a> </div> </div> </div> </div> </div> </div> </main> <footer role="contentinfo"> <div class="row cern-footer"> <div class="col-xs-12 col-sm-4 col-md-4 col-lg-4 footer-first-col"> <div class="region region-footercolumn1"> <section id="block-followus" class="block block-block-content block-block-content6d2579e3-b650-496f-b854-0c744e176f43 clearfix"> <div class="block-custom-wrapper block-content block-content--type-basic block-content--view-mode-full ds-1col clearfix"> <div class="field field--name-field-visible-title field--type-string field--label-hidden field--item"> <p>Nous suivre</p> </div> <div class="field field--name-body field--type-text-with-summary field--label-hidden field--item"><p style="font-size:36px; font-family: CERNIcons, CernIcons, cern-icons; display: flex; gap: 10px;"><a href="http://www.facebook.com/cern"><img alt="Facebook icon" data-entity-type="file" data-entity-uuid="5da97013-d976-42e3-aaf3-c2cdf2683c3d" height="40" src="/sites/default/files/inline-images/lburdych/Facebook.png" width="40" loading="lazy"> </a> <a href="http://www.instagram.com/cern"> <img alt="Instagram icon" data-entity-type="file" data-entity-uuid="e80bf359-c309-4a5e-ae36-a6d4b950b285" height="40" src="/sites/default/files/inline-images/lburdych/Instagram.png" width="40" loading="lazy"> </a> <a href="https://www.tiktok.com/@cern_ontiktok"> <img alt="TikTok icon" data-entity-type="file" data-entity-uuid="8fc6b5aa-066e-4eb5-88de-56b61690e174" height="40" src="/sites/default/files/inline-images/lburdych/TikTok_0.png" width="40" loading="lazy"></a> <a href="https://x.com/CERN"> <img alt="X icon" data-entity-type="file" data-entity-uuid="f1391fcf-1b27-42d5-9712-2052e2fceee5" height="40" src="/sites/default/files/inline-images/lburdych/X.png" width="40" loading="lazy"> </a> <a href="http://www.linkedin.com/company/cern"> <img alt="LinkedIn icon" data-entity-type="file" data-entity-uuid="8674b1e8-b762-48f5-a649-f251a0eb6ad7" height="40" src="/sites/default/files/inline-images/lburdych/LinkedIn.png" width="40" loading="lazy"> </a> <a href="http://www.youtube.com/user/cerntv"> <img alt="Youtube icon" data-entity-type="file" data-entity-uuid="d429f87c-f790-4309-b0be-970374a526f9" height="40" src="/sites/default/files/inline-images/lburdych/Youtube.png" width="40" loading="lazy"></a></p> <p> </p> <p><a href="https://linktr.ee/CERN_official" rel="noopener noreferrer" target="_blank">Autres comptes sur des médias sociaux</a></p> </div> </div> </section> </div> </div> <div class="col-xs-12 col-sm-8 col-md-8 col-lg-8 footer-second-col"> <div class="row"> <!-- CONTACT US --> <div class="col-sm-5 col-md-4 col-md-offset-0 col-lg-4 col-lg-offset-0"> <div class="region region-footercolumn2"> <nav role="navigation" aria-labelledby="block-findusmenu-menu" id="block-findusmenu"> <h2 id="block-findusmenu-menu">Nous trouver</h2> <ul class="menu menu--find-us-menu nav"> <li class="first"> <a href="/fr/contact" data-drupal-link-system-path="node/150">Nous contacter</a> </li> <li class="last"> <a href="/fr/directions" data-drupal-link-system-path="node/153">Venir au CERN</a> </li> </ul> </nav> <section id="block-contactus" class="block block-block-content block-block-content17426485-662a-41e2-b3c6-3e42f882ec6f clearfix"> <div class="block-custom-wrapper block-content block-content--type-basic block-content--view-mode-full ds-1col clearfix"> <div class="field field--name-body field--type-text-with-summary field--label-hidden field--item"><p> </p> <ul> <li>CERN</li> <li>Esplanade des Particules 1</li> <li>Case postale</li> <li>1211 Genève 23</li> <li>Suisse</li> </ul></div> </div> </section> </div> </div> <!-- general info --> <div class="col-sm-6 col-sm-offset-1 col-md-4 col-md-offset-0 col-lg-4"> <div class=" mb-4"> <div class="region region-footercolumn3"> <nav role="navigation" aria-labelledby="block-cernyoufr-menu" id="block-cernyoufr"> <h2 id="block-cernyoufr-menu">Le CERN & vous</h2> <ul class="menu menu--cern-you-fr nav"> <li class="first"> <a href="https://cern.ch/procurement">Travailler avec le CERN</a> </li> <li> <a href="https://cern.ch/knowledgetransfer">Transfert de connaissances</a> </li> <li> <a href="https://voisins.web.cern.ch/fr">Vie locale</a> </li> <li> <a href="https://cernandsocietyfoundation.cern/fr">CERN & Society Foundation</a> </li> <li> <a href="/fr/partnerships" data-drupal-link-system-path="node/160">Partenariats</a> </li> <li class="last"> <a href="https://alumni.cern/">Alumni</a> </li> </ul> </nav> </div> </div> </div> <!-- cern and you --> <div class="col-sm-6 col-sm-offset-6 col-md-4 col-md-offset-0 col-lg-4 col-lg-offset-0"> <div class=" mb-4"> <div class="region region-footercolumn4"> <nav role="navigation" aria-labelledby="block-generalinfofooter-menu" id="block-generalinfofooter"> <h2 id="block-generalinfofooter-menu">Informations Générales</h2> <ul class="menu menu--general-info-footer nav"> <li class="first"> <a href="https://careers.cern">Emplois</a> </li> <li> <a href="https://visit.cern/">Visites</a> </li> <li> <a href="/fr/data-privacy-protection-policy" data-drupal-link-system-path="node/166">Protection des données personnelles</a> </li> <li class="last"> <a href="/fr/cookies" data-drupal-link-system-path="node/165">Politique de gestion des cookies</a> </li> </ul> </nav> </div> </div> </div> </div> </div> </div> <div class="copy-wrapper"> <a href="https://copyright.web.cern.ch/"> Copyright </a> © 2024 CERN</div> </footer> </div> <script type="application/json" data-drupal-selector="drupal-settings-json">{"path":{"baseUrl":"\/","pathPrefix":"fr\/","currentPath":"node\/461","currentPathIsAdmin":false,"isFront":false,"currentLanguage":"fr"},"pluralDelimiter":"\u0003","suppressDeprecationErrors":true,"ajaxPageState":{"libraries":"eJxdjlFywyAMRC9E0JE8wmhsOmBpJJHEt6-x0zbpD-zbXSESs5srCggL30lD-nWcuXqRMJNuU2XMZVtgwEtfwWglVHiHM0loBEvlhPVmvtefCemplvl_0tDXL3yCkXcZxI3huoKg4nL8aDXI2gVr_HNivx60lXKw3ZwajM2hl0nQ_Vho0GjrsVEu-GGL0r3QY5pRc3yHj5Y5637gQvGUtyHD6BqcZ2yce6Vv2IGCog","theme":"cernpublic","theme_token":null},"ajaxTrustedUrl":{"\/fr\/search\/node":true},"mathjax":{"config_type":1,"config":{"tex2jax":{"inlineMath":[["$","$"],["\\(","\\)"]],"processEscapes":"true"},"showProcessingMessages":"false","messageStyle":"none"}},"matomo":{"disableCookies":false,"trackMailto":true},"bootstrap":{"forms_has_error_value_toggle":1,"modal_animation":1,"modal_backdrop":"true","modal_focus_input":1,"modal_keyboard":1,"modal_select_text":1,"modal_show":1,"modal_size":"","popover_enabled":1,"popover_animation":1,"popover_auto_close":1,"popover_container":"body","popover_content":"","popover_delay":"0","popover_html":0,"popover_placement":"right","popover_selector":"","popover_title":"","popover_trigger":"click","tooltip_enabled":1,"tooltip_animation":1,"tooltip_container":"body","tooltip_delay":"0","tooltip_html":0,"tooltip_placement":"auto left","tooltip_selector":"","tooltip_trigger":"hover"},"user":{"uid":0,"permissionsHash":"30effdd7d92fd58752f7293da4916e148a53b5e7b0426e8ff61fff31efabda2e"}}</script> <script src="/core/assets/vendor/jquery/jquery.min.js?v=3.7.1"></script> <script src="/core/assets/vendor/underscore/underscore-min.js?v=1.13.6"></script> <script src="/core/assets/vendor/once/once.min.js?v=1.0.1"></script> <script src="/sites/default/files/languages/fr_N2mpnbpyKWCB5QUwowMEzbnrwEvlc6nOtjx2w-sbQsg.js?smqvgl"></script> <script src="/core/misc/drupalSettingsLoader.js?v=10.2.8"></script> <script src="/core/misc/drupal.js?v=10.2.8"></script> <script src="/core/misc/drupal.init.js?v=10.2.8"></script> <script src="/core/assets/vendor/tabbable/index.umd.min.js?v=6.2.0"></script> <script src="/modules/custom/cern-loading/js/cern_loading.js?smqvgl"></script> <script src="/sites/default/modules/mathjax/js/config.js?v=10.2.8"></script> <script src="/libraries/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script> <script src="/sites/default/modules/mathjax/js/setup.js?v=10.2.8"></script> <script src="/modules/contrib/matomo/js/matomo.js?v=10.2.8"></script> <script src="/core/misc/progress.js?v=10.2.8"></script> <script src="/themes/contrib/bootstrap/js/misc/progress.js?smqvgl"></script> <script src="/core/assets/vendor/loadjs/loadjs.min.js?v=4.2.0"></script> <script src="/core/misc/debounce.js?v=10.2.8"></script> <script src="/core/misc/announce.js?v=10.2.8"></script> <script src="/core/misc/message.js?v=10.2.8"></script> <script src="/themes/contrib/bootstrap/js/misc/message.js?smqvgl"></script> <script src="/core/misc/ajax.js?v=10.2.8"></script> <script src="/themes/contrib/bootstrap/js/misc/ajax.js?smqvgl"></script> <script src="//framework.web.cern.ch/framework/3.0/js/prism/prism.js"></script> <script src="/sites/default/themes/custom/cernbase/js/cernbase.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/components/social-sharing.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/components/footer.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/views/agenda-views.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/views/faq-views.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/views/news-views.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/views/resources-views.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/views/stories-views.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/views/taxonomies-views.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/views/search-views.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/views/common-views.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/js/box-effects.js?smqvgl"></script> <script src="//framework.web.cern.ch/framework/3.0/js/colorbox/jquery.colorbox-min.js"></script> <script src="//framework.web.cern.ch/framework/3.0/js/scroll-magic/ScrollMagic.min.js"></script> <script src="//framework.web.cern.ch/framework/3.0/js/scroll-magic/text-effects.js"></script> <script src="//framework.web.cern.ch/framework/3.0/js/owlcarousel/js/owl.carousel.js"></script> <script src="//framework.web.cern.ch/framework/3.0/js/owlcarousel/js/owl.carousel2.thumbs.js"></script> <script src="/sites/default/themes/custom/cernpublic/js/views_carousel.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernpublic/js/anchor-fix.js?smqvgl"></script> <script src="/sites/default/themes/custom/cernbase/sass/bootstrap/javascripts/bootstrap.min.js?smqvgl"></script> <script src="/themes/contrib/bootstrap/js/drupal.bootstrap.js?smqvgl"></script> <script src="/themes/contrib/bootstrap/js/attributes.js?smqvgl"></script> <script src="/themes/contrib/bootstrap/js/theme.js?smqvgl"></script> <script src="/themes/contrib/bootstrap/js/popover.js?smqvgl"></script> <script src="/themes/contrib/bootstrap/js/tooltip.js?smqvgl"></script> <script src="/modules/custom/cern-components/patterns/molecules/story-page/js/story-page.component.js?smqvgl"></script> <script src="/modules/custom/cern-toolbar/assets/js/cern_toolbar.js?v=1.x"></script> <script src="/modules/custom/cern-components/patterns/molecules/menu/js/menu.component.js?smqvgl"></script> <script src="/modules/custom/cern-components/patterns/molecules/preview-card/js/component-preview-card.js?smqvgl"></script> </body> </html>