{"id":3454,"date":"2026-07-22T15:46:21","date_gmt":"2026-07-22T13:46:21","guid":{"rendered":"https:\/\/www.icone-neutron.fr\/?page_id=3454"},"modified":"2026-07-22T15:49:46","modified_gmt":"2026-07-22T13:49:46","slug":"produire-un-neutron-libre-2","status":"publish","type":"page","link":"https:\/\/www.icone-neutron.fr\/en\/produire-un-neutron-libre-2\/","title":{"rendered":"produire_un_neutron-libre"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"3454\" class=\"elementor elementor-3454\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6539e102 e-flex e-con-boxed e-con e-parent\" data-id=\"6539e102\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1175dea9 elementor-widget elementor-widget-text-editor\" data-id=\"1175dea9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<style>\n\n.neutron-container{\n\n    max-width:1000px;\n\n    margin:60px auto;\n\n    padding:60px;\n\n    font-family:'Inter',Arial,sans-serif;\n\n    line-height:1.8;\n\n    color:#2f2f2f;\n\n    background:#ffffff;\n\n    border-radius:20px;\n\n    box-shadow:0 12px 35px rgba(0,0,0,0.15);\n\n    box-sizing:border-box;\n\n}\n\n\n\n.neutron-title{\n\n    font-size:42px;\n\n    font-weight:900;\n\n    color:#0d5cab;\n\n    padding-left:18px;\n\n    margin-bottom:50px;\n\n    position:relative;\n\n}\n\n\n\n.neutron-title::before{\n\n    content:\"\";\n\n    position:absolute;\n\n    left:0;\n\n    top:8px;\n\n    width:6px;\n\n    height:80%;\n\n    background:linear-gradient(180deg,#0d5cab,#3a8dde);\n\n    border-radius:3px;\n\n}\n\n\n\n.neutron-subtitle{\n\n    font-size:24px;\n\n    font-weight:700;\n\n    color:#0d5cab;\n\n    margin-top:50px;\n\n    margin-bottom:20px;\n\n}\n\n\n\n.neutron-container p{\n\n    margin-bottom:22px;\n\n    font-size:18px;\n\n    color:#444;\n\n}\n\n\n\n.neutron-list{\n\n    margin-bottom:25px;\n\n    padding-left:20px;\n\n}\n\n\n\n.neutron-list div{\n\n    margin-bottom:8px;\n\n    font-weight:600;\n\n}\n\n\n\n.neutron-image{\n\n    margin:35px 0 50px;\n\n    text-align:center;\n\n}\n\n\n\n.neutron-image img{\n\n    max-width:100%;\n\n    height:auto;\n\n    border-radius:12px;\n\n    box-shadow:0 10px 30px rgba(0,0,0,.12);\n\n}\n\n\n\n.neutron-caption{\n\n    margin-top:10px;\n\n    font-size:14px;\n\n    color:#777;\n\n    font-style:italic;\n\n}\n\n\n\n@media(max-width:768px){\n\n\n.neutron-container{\n\n    margin:20px;\n\n    padding:30px;\n\n}\n\n\n\n.neutron-title{\n\n    font-size:34px;\n\n}\n\n\n\n.neutron-subtitle{\n\n    font-size:22px;\n\n}\n\n\n\n.neutron-container p{\n\n    font-size:17px;\n\n}\n\n\n}\n\n<\/style>\n\n\n\n<div class=\"neutron-container\">\n\n\n<div class=\"neutron-title\">\n    Producing a free neutron\n<\/div>\n\n\n\n<div class=\"neutron-subtitle\">\n    In a nuclear reactor\n<\/div>\n\n\n<p>\nNeutrons are produced by the fission of fissile nuclei impacted by slow neutrons.\nEach fission event produces a large number of neutrons. Some of them are slowed down\nto sustain additional fission reactions, while another part escapes from the reactor.\n<\/p>\n\n\n<div class=\"neutron-list\">\n\n<div>\n<strong>Examples:<\/strong> ILL, ORPH\u00c9E\n<\/div>\n\n<\/div>\n\n\n\n<div class=\"neutron-image\">\n\n<img decoding=\"async\" src=\"IMAGE_REACTEUR_NUCLEAIRE.jpg\" alt=\"Nuclear reactor\">\n\n<div class=\"neutron-caption\">\nDiagram of a nuclear reactor producing neutrons.\n<\/div>\n\n<\/div>\n\n\n\n\n\n<div class=\"neutron-subtitle\">\n    In a spallation source\n<\/div>\n\n\n<p>\nNeutrons are produced by the collision of very high-energy protons\n(&gt; ~80 MeV) with heavy nuclei. The nuclei are broken apart or excited,\nemitting a large number of neutrons.\n<\/p>\n\n\n<div class=\"neutron-list\">\n\n<div>\n<strong>Examples:<\/strong> ISIS, ESS\n<\/div>\n\n<\/div>\n\n\n\n<div class=\"neutron-image\">\n\n<img decoding=\"async\" src=\"IMAGE_SPALLATION.jpg\" alt=\"Spallation source\">\n\n<div class=\"neutron-caption\">\nNeutron production by spallation.\n<\/div>\n\n<\/div>\n\n\n\n\n\n<div class=\"neutron-subtitle\">\n    In a CANS\n<\/div>\n\n\n<p>\nNeutrons are produced by the collision of medium-energy protons\n(&lt; ~80 MeV) with light nuclei. The nuclei become excited and can\nde-excite by emitting neutrons.\n<\/p>\n\n\n<div class=\"neutron-list\">\n\n<div>\n<strong>Example:<\/strong> ICONE (Installation COmpacte de NEutrons),\n<\/div>\n\n<\/div>\n\n\n\n<div class=\"neutron-image\">\n\n<img decoding=\"async\" src=\"IMAGE_CANS.jpg\" alt=\"Compact neutron source\">\n\n<div class=\"neutron-caption\">\nDiagram of a Compact Accelerator-based Neutron Source (C\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Producing a free neutron In a nuclear reactor Neutrons are produced by the fission of fissile nuclei impacted by slow neutrons. Each fission event produces a large number of neutrons. Some of them are slowed down to sustain additional fission reactions, while another part escapes from the reactor. Examples: ILL, ORPH\u00c9E Diagram of a nuclear [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3454","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.icone-neutron.fr\/en\/wp-json\/wp\/v2\/pages\/3454","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.icone-neutron.fr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.icone-neutron.fr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.icone-neutron.fr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.icone-neutron.fr\/en\/wp-json\/wp\/v2\/comments?post=3454"}],"version-history":[{"count":6,"href":"https:\/\/www.icone-neutron.fr\/en\/wp-json\/wp\/v2\/pages\/3454\/revisions"}],"predecessor-version":[{"id":3462,"href":"https:\/\/www.icone-neutron.fr\/en\/wp-json\/wp\/v2\/pages\/3454\/revisions\/3462"}],"wp:attachment":[{"href":"https:\/\/www.icone-neutron.fr\/en\/wp-json\/wp\/v2\/media?parent=3454"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}