{"id":7619,"date":"2025-06-27T18:30:27","date_gmt":"2025-06-27T14:30:27","guid":{"rendered":"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/?p=7619"},"modified":"2025-06-28T14:39:51","modified_gmt":"2025-06-28T10:39:51","slug":"si-lantimatiere-metait-contee","status":"publish","type":"post","link":"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/si-lantimatiere-metait-contee\/","title":{"rendered":"Si l&rsquo;antimati\u00e8re m&rsquo;\u00e9tait cont\u00e9e&#8230;"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"641\" height=\"476\" src=\"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/wp-content\/uploads\/sites\/146\/2025\/06\/ELENA-1.jpg\" alt=\"\" class=\"wp-image-7654\" srcset=\"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/wp-content\/uploads\/sites\/146\/2025\/06\/ELENA-1.jpg 641w, https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/wp-content\/uploads\/sites\/146\/2025\/06\/ELENA-1-200x149.jpg 200w, https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/wp-content\/uploads\/sites\/146\/2025\/06\/ELENA-1-150x111.jpg 150w\" sizes=\"auto, (max-width: 641px) 100vw, 641px\" \/><\/figure>\n\n\n\n<p>Cette ann\u00e9e scolaire, les \u00e9l\u00e8ves de \u00ab&nbsp;l\u2019Atelier des Particules&nbsp;\u00bb se sont lanc\u00e9s sur les traces de l\u2019antimati\u00e8re.<\/p>\n\n\n\n<p>L\u00e9a-Maria RABOUR, ancienne \u00e9l\u00e8ve de \u00ab&nbsp;l\u2019Atelier des deux Infinis&nbsp;\u00bb du lyc\u00e9e Roland Garros, lyc\u00e9e partenaire de notre atelier, est venue \u00e0 la rencontre des \u00e9l\u00e8ves pour pr\u00e9senter son parcours&nbsp;: de lyc\u00e9enne au Tampon jusqu\u2019\u00e0 exp\u00e9rimentatrice au CERN \u00e0 Gen\u00e8ve.<\/p>\n\n\n\n<p>En 2019, avec sa camarade de classe Tatiana LE BELLEC, elles ont re\u00e7u le premier prix du concours \u00ab&nbsp;nouvelles \u00bb du CNRS pour un texte intitul\u00e9 \u00ab&nbsp;Il \u00e9tait une pomme d\u2019antimati\u00e8re\u2026&nbsp;\u00bb.<\/p>\n\n\n\n<p>Suite \u00e0 la lecture de cette nouvelle, les \u00e9l\u00e8ves ont souhait\u00e9 en savoir plus sur l\u2019antimati\u00e8re.<\/p>\n\n\n\n<p>Dans cette optique, Bruno MANSOULI\u00c9, chercheur au d\u00e9partement de physique des particules au CEA \u2013 Saclay et au CERN, a propos\u00e9 une visioconf\u00e9rence sur l\u2019antimati\u00e8re le 28 novembre 2024.<\/p>\n\n\n\n<p>&nbsp;\u00ab&nbsp;Est-ce que l\u2019antimati\u00e8re \u00ab&nbsp;tombe&nbsp;\u00bb sur la Terre comme la mati\u00e8re&nbsp;?&nbsp;\u00bb, une des questions \u00e0 laquelle tentent de r\u00e9pondre diff\u00e9rentes exp\u00e9riences men\u00e9es \u00e0 AD, l\u2019usine d\u2019antimati\u00e8re du CERN. En effet, les exp\u00e9riences ALPHA, AEGIS, GBAR tentent de mesurer la chute d\u2019atomes d\u2019antihydrog\u00e8ne.<\/p>\n\n\n\n<p>Voici les diff\u00e9rents enregistrements r\u00e9alis\u00e9s par les \u00e9l\u00e8ves de l\u2019atelier&nbsp;:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00ab&nbsp;D\u00e9couverte de l\u2019antimati\u00e8re&nbsp;\u00bb&nbsp;: Cl\u00e9a, Manon, Sohanne et Soizic<\/li>\n\n\n\n<li>\u00ab&nbsp;Mati\u00e8re et antimati\u00e8re&nbsp;\u00bb&nbsp;: Adrien et Eli<\/li>\n\n\n\n<li>\u00ab&nbsp;Exp\u00e9riences sur l\u2019antimati\u00e8re&nbsp;\u00bb&nbsp;: R\u00e9mi et Titouan<\/li>\n<\/ul>\n\n\n\n<p>Quelques liens pour les curieux&nbsp;:<\/p>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/home.cern\/fr\/science\/physics\/antimatter\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed\"><div class=\"wp-block-embed__wrapper\">\nhttps:\/\/www.refletsdelaphysique.fr\/articles\/refdp\/pdf\/2019\/02\/refdp201962p46.pdf\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/wp-content\/uploads\/sites\/146\/2025\/06\/01-La-decouverte-de-lantimatiere-2.mp3\"><\/audio><\/figure>\n\n\n\n<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/wp-content\/uploads\/sites\/146\/2025\/06\/02-matiere-et-antimatiere.mp3\"><\/audio><\/figure>\n\n\n\n<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/wp-content\/uploads\/sites\/146\/2025\/06\/03-Experiences-sur-lantimatiere.mp3\"><\/audio><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cette ann\u00e9e scolaire, les \u00e9l\u00e8ves de \u00ab&nbsp;l\u2019Atelier des Particules&nbsp;\u00bb se sont lanc\u00e9s sur les traces de l\u2019antimati\u00e8re. L\u00e9a-Maria RABOUR, ancienne \u00e9l\u00e8ve de \u00ab&nbsp;l\u2019Atelier des deux Infinis&nbsp;\u00bb du lyc\u00e9e Roland Garros, lyc\u00e9e partenaire de notre atelier, est venue \u00e0 la rencontre<\/p>\n<p class=\"continue-reading-button\"> <a class=\"continue-reading-link\" href=\"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/si-lantimatiere-metait-contee\/\">la suite &#8230;<i class=\"crycon-right-dir\"><\/i><\/a><\/p>\n","protected":false},"author":13783,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":true,"template":"","format":"standard","meta":{"footnotes":""},"categories":[253,259,252,1,258],"tags":[],"class_list":["post-7619","post","type-post","status-publish","format-standard","hentry","category-a-la-une","category-atelier-des-particules","category-diaporama","category-non-classe","category-webradio"],"_links":{"self":[{"href":"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/wp-json\/wp\/v2\/posts\/7619","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/wp-json\/wp\/v2\/users\/13783"}],"replies":[{"embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/wp-json\/wp\/v2\/comments?post=7619"}],"version-history":[{"count":3,"href":"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/wp-json\/wp\/v2\/posts\/7619\/revisions"}],"predecessor-version":[{"id":7655,"href":"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/wp-json\/wp\/v2\/posts\/7619\/revisions\/7655"}],"wp:attachment":[{"href":"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/wp-json\/wp\/v2\/media?parent=7619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/wp-json\/wp\/v2\/categories?post=7619"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/lyc-pierre-lagourgue\/wp-json\/wp\/v2\/tags?post=7619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}