{"id":3413,"date":"2026-07-22T15:11:57","date_gmt":"2026-07-22T13:11:57","guid":{"rendered":"https:\/\/www.icone-neutron.fr\/?page_id=3413"},"modified":"2026-07-22T15:15:35","modified_gmt":"2026-07-22T13:15:35","slug":"le-neutron","status":"publish","type":"page","link":"https:\/\/www.icone-neutron.fr\/fr\/le-neutron\/","title":{"rendered":"leneutron"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"3413\" class=\"elementor elementor-3413\">\n\t\t\t\t<div class=\"elementor-element elementor-element-26c4e32 e-flex e-con-boxed e-con e-parent\" data-id=\"26c4e32\" 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-89c868e elementor-widget elementor-widget-html\" data-id=\"89c868e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<section class=\"neutron-section\">\r\n\r\n    <div class=\"neutron-title\">\r\n         Le neutron\r\n    <\/div>\r\n\r\n    <h3>D\u00e9finition<\/h3>\r\n\r\n    <p>\r\n        Le <b>neutron<\/b> est l'un des constituants fondamentaux du noyau atomique,\r\n        aux c\u00f4t\u00e9s des protons. \u00c0 l'int\u00e9rieur du noyau, il est maintenu par\r\n        l'interaction nucl\u00e9aire forte.\r\n    <\/p>\r\n\r\n    <p>\r\n        Lorsqu'il est libre, le neutron est une particule quantique poss\u00e9dant \u00e0 la\r\n        fois les propri\u00e9t\u00e9s d'une <b>onde<\/b> et d'un <b>corpuscule<\/b>.\r\n    <\/p>\r\n\r\n    <div class=\"neutron-icon\">\r\n        \u2622\ufe0f\r\n    <\/div>\r\n\r\n    <h3>Nature quantique<\/h3>\r\n\r\n    <div class=\"info-grid\">\r\n\r\n        <div class=\"info-card\">\r\n\r\n            <h4>\ud83c\udf0a Aspect ondulatoire<\/h4>\r\n\r\n            <p>\r\n                Le neutron est caract\u00e9ris\u00e9 par une\r\n                <b>longueur d'onde \u03bb<\/b>.\r\n            <\/p>\r\n\r\n            <div class=\"equation\">\r\n                \u03bb = h \/ p\r\n            <\/div>\r\n\r\n        <\/div>\r\n\r\n        <div class=\"info-card\">\r\n\r\n            <h4>\u269b\ufe0f Aspect corpusculaire<\/h4>\r\n\r\n            <p>\r\n                Il poss\u00e8de un moment <b>p<\/b>, une \u00e9nergie cin\u00e9tique <b>E<\/b>,\r\n                une vitesse <b>v<\/b> ainsi qu'un vecteur d'onde <b>k<\/b>.\r\n            <\/p>\r\n\r\n            <div class=\"equation\">\r\n                p = mv\r\n            <\/div>\r\n\r\n        <\/div>\r\n\r\n    <\/div>\r\n\r\n    <h3>Relations fondamentales<\/h3>\r\n\r\n    <div class=\"formula-box\">\r\n\r\n        <div class=\"equation\">\r\n            \u03bb = h \/ p\r\n        <\/div>\r\n\r\n        <div class=\"equation\">\r\n            E = p\u00b2 \/ 2m\r\n        <\/div>\r\n\r\n        <div class=\"equation\">\r\n            p = \u0127 k\r\n        <\/div>\r\n\r\n        <div class=\"equation\">\r\n            E = \u00bd mv\u00b2\r\n        <\/div>\r\n\r\n    <\/div>\r\n\r\n    <h3>Constantes physiques<\/h3>\r\n\r\n    <div class=\"info-grid\">\r\n\r\n        <div class=\"info-card\">\r\n\r\n            <h4>\ud83d\udd39 Masse du neutron<\/h4>\r\n\r\n            <p>\r\n\r\n                m<sub>n<\/sub> \u2243 1,675 \u00d7 10<sup>-27<\/sup> kg\r\n\r\n                <br><br>\r\n\r\n                \u2243 939,565 MeV\/c\u00b2\r\n\r\n            <\/p>\r\n\r\n        <\/div>\r\n\r\n        <div class=\"info-card\">\r\n\r\n            <h4>\ud83d\udd39 Constante de Planck<\/h4>\r\n\r\n            <p>\r\n\r\n                h \u2243 6,626 \u00d7 10<sup>-34<\/sup> J\u00b7s\r\n\r\n                <br><br>\r\n\r\n                \u2243 4,136 \u00d7 10<sup>-15<\/sup> eV\u00b7s\r\n\r\n            <\/p>\r\n\r\n        <\/div>\r\n\r\n        <div class=\"info-card\">\r\n\r\n            <h4>\ud83e\uddf2 Spin<\/h4>\r\n\r\n            <p>\r\n\r\n                Le neutron poss\u00e8de un\r\n                <b>spin magn\u00e9tique<\/b>\r\n\r\n                <br><br>\r\n\r\n                |s| = 1\/2\r\n\r\n            <\/p>\r\n\r\n        <\/div>\r\n\r\n    <\/div>\r\n\r\n    <h3>Interpr\u00e9tation quantique<\/h3>\r\n\r\n    <div class=\"quantum-box\">\r\n\r\n        \ud83c\udf0a <b>Avant une interaction<\/b>\r\n\r\n        <br><br>\r\n\r\n        La probabilit\u00e9 de pr\u00e9sence du neutron est d\u00e9crite\r\n        par l'onde qui le caract\u00e9rise.\r\n\r\n        <br><br>\r\n\r\n        \u269b\ufe0f <b>Lors d'une interaction avec la mati\u00e8re<\/b>\r\n\r\n        <br><br>\r\n\r\n        Lorsqu'il est observ\u00e9 ou qu'il interagit avec un mat\u00e9riau,\r\n        le neutron se comporte comme un corpuscule localis\u00e9.\r\n\r\n    <\/div>\r\n\r\n<\/section>\r\n\r\n<style>\r\n\r\nbody{\r\n    margin:0;\r\n    font-family:Arial,Helvetica,sans-serif;\r\n    background:#f5f7fa;\r\n    color:#2f2f2f;\r\n    line-height:1.8;\r\n}\r\n\r\n.neutron-section{\r\n    max-width:950px;\r\n    margin:60px auto;\r\n    padding:45px;\r\n    background:#fff;\r\n    border-radius:18px;\r\n    box-shadow:0 8px 24px rgba(0,0,0,.08);\r\n}\r\n\r\n.neutron-title{\r\n    margin-bottom:30px;\r\n    font-size:34px;\r\n    color:#0d5cab;\r\n    font-weight:800;\r\n    border-left:6px solid #0d5cab;\r\n    padding-left:18px;\r\n}\r\n\r\n.neutron-section h3{\r\n    color:#0d5cab;\r\n    margin-top:40px;\r\n    font-size:26px;\r\n}\r\n\r\n.neutron-section p{\r\n    font-size:17px;\r\n    color:#444;\r\n    text-align:justify;\r\n}\r\n\r\n.neutron-icon{\r\n    text-align:center;\r\n    font-size:70px;\r\n    margin:25px;\r\n}\r\n\r\n.info-grid{\r\n    display:grid;\r\n    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));\r\n    gap:22px;\r\n    margin:30px 0;\r\n}\r\n\r\n.info-card{\r\n    background:#eef6ff;\r\n    padding:22px;\r\n    border-left:5px solid #0d5cab;\r\n    border-radius:15px;\r\n}\r\n\r\n.info-card h4{\r\n    color:#0d5cab;\r\n    margin-top:0;\r\n}\r\n\r\n.formula-box{\r\n    display:grid;\r\n    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));\r\n    gap:18px;\r\n    margin:30px 0;\r\n}\r\n\r\n.equation{\r\n    background:#0d5cab;\r\n    color:white;\r\n    text-align:center;\r\n    padding:16px;\r\n    border-radius:12px;\r\n    font-size:22px;\r\n    font-weight:bold;\r\n}\r\n\r\n.quantum-box{\r\n    background:#f0f7ff;\r\n    border-left:6px solid #0d5cab;\r\n    border-radius:15px;\r\n    padding:25px;\r\n    margin-top:30px;\r\n    font-size:17px;\r\n}\r\n\r\n@media(max-width:768px){\r\n\r\n    .neutron-section{\r\n        margin:20px;\r\n        padding:25px;\r\n    }\r\n\r\n    .neutron-title{\r\n        font-size:28px;\r\n    }\r\n\r\n    .neutron-section h3{\r\n        font-size:22px;\r\n    }\r\n\r\n}\r\n\r\n<\/style>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Le neutron D\u00e9finition Le neutron est l&rsquo;un des constituants fondamentaux du noyau atomique, aux c\u00f4t\u00e9s des protons. \u00c0 l&rsquo;int\u00e9rieur du noyau, il est maintenu par l&rsquo;interaction nucl\u00e9aire forte. Lorsqu&rsquo;il est libre, le neutron est une particule quantique poss\u00e9dant \u00e0 la fois les propri\u00e9t\u00e9s d&rsquo;une onde et d&rsquo;un corpuscule. \u2622\ufe0f Nature quantique \ud83c\udf0a Aspect ondulatoire Le [&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-3413","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.icone-neutron.fr\/fr\/wp-json\/wp\/v2\/pages\/3413","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.icone-neutron.fr\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.icone-neutron.fr\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.icone-neutron.fr\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.icone-neutron.fr\/fr\/wp-json\/wp\/v2\/comments?post=3413"}],"version-history":[{"count":4,"href":"https:\/\/www.icone-neutron.fr\/fr\/wp-json\/wp\/v2\/pages\/3413\/revisions"}],"predecessor-version":[{"id":3418,"href":"https:\/\/www.icone-neutron.fr\/fr\/wp-json\/wp\/v2\/pages\/3413\/revisions\/3418"}],"wp:attachment":[{"href":"https:\/\/www.icone-neutron.fr\/fr\/wp-json\/wp\/v2\/media?parent=3413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}