{"id":46853,"date":"2019-11-02T00:35:49","date_gmt":"2019-11-01T23:35:49","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/quel-est-le-defaut-de-masse-definition\/"},"modified":"2020-03-03T08:57:10","modified_gmt":"2020-03-03T07:57:10","slug":"quel-est-le-defaut-de-masse-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/quel-est-le-defaut-de-masse-definition\/","title":{"rendered":"Quel est le d\u00e9faut de masse &#8211; D\u00e9finition"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">L&#8217;\u00e9nergie de liaison qui est proportionnelle \u00e0 cette diff\u00e9rence de masse est appel\u00e9e d\u00e9faut de masse.\u00a0Le d\u00e9faut de masse peut \u00eatre calcul\u00e9 directement \u00e0 partir de l&#8217;\u00e9quation e = mc2.\u00a0G\u00e9nie thermique<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>D\u00e9faut de masse<\/h2>\n<p>Dans la\u00a0<strong>th\u00e9orie de la relativit\u00e9 restreinte<\/strong>,\u00a0certains types de mati\u00e8res peuvent \u00eatre cr\u00e9\u00e9s ou d\u00e9truits, mais dans tous ces processus,\u00a0<strong>la masse et l\u2019\u00e9nergie<\/strong>\u00a0associ\u00e9es \u00e0 ces mati\u00e8res\u00a0<strong>restent inchang\u00e9es en quantit\u00e9<\/strong>\u00a0.\u00a0Il a \u00e9t\u00e9 trouv\u00e9 que la\u00a0<strong>masse au repos d&#8217;un noyau atomique\u00a0<\/strong>est nettement inf\u00e9rieure \u00e0\u00a0<strong>la somme des masses au repos de ses\u00a0protons<\/strong>,\u00a0<a title=\"Neutron\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/neutron\/\">neutrons<\/a>\u00a0et \u00e9lectrons constitutifs.\u00a0La masse n&#8217;\u00e9tait plus consid\u00e9r\u00e9e comme immuable dans le syst\u00e8me ferm\u00e9.\u00a0La diff\u00e9rence est une mesure de l&#8217;\u00a0<a title=\"Energie de liaison nucl\u00e9aire\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/binding-energy\/nuclear-binding-energy\/\"><strong>\u00e9nergie de liaison nucl\u00e9aire<\/strong>\u00a0<\/a>qui maintient le noyau ensemble.\u00a0Selon la relation d&#8217;Einstein (\u00a0<a title=\"E = mc2 Signification\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/nuclear-energy\/emc2-meaning\/\">E = mc\u00a0<sup>2<\/sup><\/a>\u00a0), cette \u00e9nergie de liaison est proportionnelle \u00e0 cette\u00a0<strong>diff\u00e9rence de masse <\/strong>et on l&#8217;appelle le\u00a0<strong>d\u00e9faut de masse<\/strong>\u00a0.<\/p>\n<figure id=\"attachment_237\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-237\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/nuclear_binding_energy.gif\"><img loading=\"lazy\" class=\"wp-image-237 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/nuclear_binding_energy.gif\" alt=\"Courbe d'\u00e9nergie de liaison nucl\u00e9aire.\" width=\"500\" height=\"326\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/nuclear_binding_energy.gif\" \/><\/a><figcaption id=\"caption-attachment-237\" class=\"wp-caption-text\">Courbe d&#8217;\u00e9nergie de liaison nucl\u00e9aire.<br \/>\nSource: hyperphysics.phy-astr.gsu.edu<\/figcaption><\/figure>\n<p>Lors de la\u00a0<a title=\"Fission nucl\u00e9aire\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/fission\/\">scission nucl\u00e9aire<\/a>\u00a0ou de\u00a0<a title=\"La fusion nucl\u00e9aire\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/nuclear-fusion\/\">la fusion nucl\u00e9aire<\/a>\u00a0, une partie de la masse du noyau est convertie en \u00e9normes quantit\u00e9s d\u2019\u00e9nergie. Cette masse est donc retir\u00e9e de la masse totale des particules d\u2019origine et la masse manque dans le noyau r\u00e9sultant.\u00a0<strong>Les \u00e9nergies de liaison nucl\u00e9aires sont \u00e9normes<\/strong>\u00a0, elles sont environ un million de fois sup\u00e9rieures aux \u00e9nergies de liaison des atomes des atomes.<\/p>\n<\/div>\n<\/div>\n<div class=\"inside-grid-column\"><\/div>\n<div><\/div>\n<div>\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Cet article est bas\u00e9 sur la traduction automatique de l&#8217;article original en anglais. Pour plus d&#8217;informations, voir l&#8217;article en anglais. Pouvez vous nous aider Si vous souhaitez corriger la traduction, envoyez-la \u00e0 l&#8217;adresse: translations@nuclear-power.com ou remplissez le formulaire de traduction en ligne. Nous appr\u00e9cions votre aide, nous mettrons \u00e0 jour la traduction le plus rapidement possible. Merci<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>L&#8217;\u00e9nergie de liaison qui est proportionnelle \u00e0 cette diff\u00e9rence de masse est appel\u00e9e d\u00e9faut de masse.\u00a0Le d\u00e9faut de masse peut \u00eatre calcul\u00e9 directement \u00e0 partir de l&#8217;\u00e9quation e = mc2.\u00a0G\u00e9nie thermique D\u00e9faut de masse Dans la\u00a0th\u00e9orie de la relativit\u00e9 restreinte,\u00a0certains types de mati\u00e8res peuvent \u00eatre cr\u00e9\u00e9s ou d\u00e9truits, mais dans tous ces processus,\u00a0la masse et &#8230; <a title=\"Quel est le d\u00e9faut de masse &#8211; D\u00e9finition\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quel-est-le-defaut-de-masse-definition\/\" aria-label=\"En savoir plus sur Quel est le d\u00e9faut de masse &#8211; D\u00e9finition\">Lire la suite<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[8],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Quel est le d\u00e9faut de masse - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"L&#039;\u00e9nergie de liaison qui est proportionnelle \u00e0 cette diff\u00e9rence de masse est appel\u00e9e d\u00e9faut de masse. Le d\u00e9faut de masse peut \u00eatre calcul\u00e9 directement \u00e0 partir de l&#039;\u00e9quation e = mc2. G\u00e9nie thermique\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quel-est-le-defaut-de-masse-definition\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quel est le d\u00e9faut de masse - D\u00e9finition\" \/>\n<meta property=\"og:description\" content=\"L&#039;\u00e9nergie de liaison qui est proportionnelle \u00e0 cette diff\u00e9rence de masse est appel\u00e9e d\u00e9faut de masse. Le d\u00e9faut de masse peut \u00eatre calcul\u00e9 directement \u00e0 partir de l&#039;\u00e9quation e = mc2. 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