{"id":117058,"date":"2022-05-26T10:45:36","date_gmt":"2022-05-26T09:45:36","guid":{"rendered":"https:\/\/material-properties.org\/quest-ce-que-la-serie-radioactive-cascade-radioactive-definition\/"},"modified":"2022-06-01T11:51:00","modified_gmt":"2022-06-01T10:51:00","slug":"quest-ce-que-la-serie-radioactive-cascade-radioactive-definition","status":"publish","type":"post","link":"https:\/\/material-properties.org\/fr\/quest-ce-que-la-serie-radioactive-cascade-radioactive-definition\/","title":{"rendered":"Qu&rsquo;est-ce que la s\u00e9rie radioactive &#8211; Cascade radioactive &#8211; D\u00e9finition"},"content":{"rendered":"<p><span><div class=\"su-quote su-quote-style-default\"><div class=\"su-quote-inner su-u-clearfix su-u-trim\">Les s\u00e9ries radioactives (\u00e9galement appel\u00e9es cascades radioactives) sont trois cha\u00eenes de d\u00e9sint\u00e9gration radioactives naturelles et une cha\u00eene de d\u00e9sint\u00e9gration radioactive artificielle de noyaux atomiques lourds instables.\u00a0Propri\u00e9t\u00e9s des mat\u00e9riaux<\/div><\/div><\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><\/span><\/p>\n<p><span><div  class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><strong><span>Les s\u00e9ries radioactives<\/span><\/strong><span>\u00a0(\u00e9galement appel\u00e9es cascades radioactives) sont trois\u00a0cha\u00eenes de d\u00e9sint\u00e9gration radioactives\u00a0<\/span><strong><span>naturelles et\u00a0<\/span><\/strong><strong><span>une cha\u00eene de d\u00e9sint\u00e9gration radioactive artificielle<\/span><\/strong><span>\u00a0de noyaux atomiques lourds instables qui se d\u00e9sint\u00e8grent par une s\u00e9quence de d\u00e9sint\u00e9grations\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/alpha-decay-alpha-radioactivity\/\"><span>alpha<\/span><\/a><span>\u00a0et\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/beta-decay-beta-radioactivity\/\"><span>b\u00eata<\/span><\/a><span>\u00a0jusqu&rsquo;\u00e0 l&rsquo;obtention d&rsquo;un noyau stable.\u00a0La plupart des radio-isotopes\u00a0<\/span><strong><span>ne se d\u00e9sint\u00e8grent pas directement<\/span><\/strong><span>\u00a0dans un \u00e9tat stable et tous les isotopes\u00a0<\/span><strong><span>de la s\u00e9rie<\/span><\/strong><span>\u00a0se d\u00e9sint\u00e8grent de la m\u00eame mani\u00e8re.\u00a0En physique des d\u00e9sint\u00e9grations nucl\u00e9aires, le noyau en d\u00e9sint\u00e9gration est g\u00e9n\u00e9ralement appel\u00e9\u00a0<\/span><strong><span>noyau parent<\/span><\/strong><span>\u00a0et le noyau restant apr\u00e8s l&rsquo;\u00e9v\u00e9nement en tant que\u00a0<\/span><strong><span>noyau fille<\/span><\/strong><span>.\u00a0Comme la d\u00e9sint\u00e9gration alpha repr\u00e9sente la d\u00e9sint\u00e9gration d&rsquo;un<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/atom-properties-of-atoms\/atomic-nucleus\/parent-nucleus-daughter-nucleus\/\"><span>noyau parent<\/span><\/a><span>\u00a0\u00e0 un noyau fille par l&rsquo;\u00e9mission du noyau d&rsquo;un atome d&rsquo;h\u00e9lium (qui contient quatre nucl\u00e9ons), il n&rsquo;y a que\u00a0<\/span><strong><span>quatre s\u00e9ries de d\u00e9sint\u00e9gration<\/span><\/strong><span>.\u00a0Dans chaque s\u00e9rie, par cons\u00e9quent, le nombre de masse des membres peut \u00eatre exprim\u00e9 comme quatre fois un nombre entier appropri\u00e9 (n) plus la constante pour cette s\u00e9rie.\u00a0En cons\u00e9quence, la s\u00e9rie du thorium est connue sous le nom de s\u00e9rie 4n, la s\u00e9rie du neptunium sous le nom de s\u00e9rie 4n + 1, la s\u00e9rie de l&rsquo;uranium sous le nom de s\u00e9rie 4n + 2 et la s\u00e9rie de l&rsquo;actinium sous le nom de s\u00e9rie 4n + 3.<\/span><\/p>\n<p><span>Trois des ensembles sont appel\u00e9s s\u00e9ries naturelles ou classiques.\u00a0Le quatri\u00e8me ensemble, la s\u00e9rie du neptunium, est dirig\u00e9 par le neptunium-237.\u00a0Ses membres sont produits artificiellement par des r\u00e9actions nucl\u00e9aires et ne se produisent pas naturellement.<\/span><\/p>\n<ul>\n<li><strong><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/radioactive-decay-chain\/radioactive-series-radioactive-cascade\/thorium-series\/\"><span>la s\u00e9rie du thorium (s\u00e9rie 4n)<\/span><\/a><span>,<\/span><\/strong><\/li>\n<li><strong><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/radioactive-decay-chain\/radioactive-series-radioactive-cascade\/uranium-series\/\"><span>la s\u00e9rie de l&rsquo;uranium (s\u00e9rie 4n+2)<\/span><\/a><span>,<\/span><\/strong><\/li>\n<li><strong><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/radioactive-decay-chain\/radioactive-series-radioactive-cascade\/actinium-series\/\"><span>la s\u00e9rie de l&rsquo;actinium (s\u00e9rie 4n+3)<\/span><\/a><span>,<\/span><\/strong><\/li>\n<li><strong><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/radioactive-decay-chain\/radioactive-series-radioactive-cascade\/neptunium-series\/\"><span>la s\u00e9rie du neptunium (s\u00e9rie 4n+1)<\/span><\/a><span>.<\/span><\/strong><\/li>\n<\/ul>\n<p><span>Les s\u00e9ries classiques sont dirig\u00e9es par\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/glossary\/primordial-matter\/\"><span>des noyaux primordiaux instables<\/span><\/a><span>.\u00a0Les nucl\u00e9ides primordiaux sont des nucl\u00e9ides trouv\u00e9s sur la Terre qui existent sous leur forme actuelle depuis avant la formation de la Terre.\u00a0Les quatre s\u00e9ries pr\u00e9c\u00e9dentes sont constitu\u00e9es des radio-isotopes, qui sont les descendants de quatre noyaux lourds \u00e0 demi-vies longues et tr\u00e8s longues:<\/span><\/p>\n<ul>\n<li><span>la s\u00e9rie du thorium avec le thorium-232 (avec une demi-vie de 14,0 milliards d&rsquo;ann\u00e9es),<\/span><\/li>\n<li><span>la s\u00e9rie de l&rsquo;uranium avec l&rsquo;uranium-238 (qui vit 4,47 milliards d&rsquo;ann\u00e9es),<\/span><\/li>\n<li><span>la s\u00e9rie de l&rsquo;actinium avec l&rsquo;uranium 235 (avec une demi-vie de 0,7 milliard d&rsquo;ann\u00e9es).<\/span><\/li>\n<li><span>la s\u00e9rie du neptunium avec le neptunium-237 (demi-vie de 2 millions d&rsquo;ann\u00e9es).<\/span><\/li>\n<\/ul>\n<p><span>Les\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/radioactive-decay-law\/half-life\/\"><span>demi-vies<\/span><\/a><span>\u00a0de tous les noyaux filles sont toutes extr\u00eamement variables et il est difficile de repr\u00e9senter une gamme d&rsquo;\u00e9chelles de temps allant de la seconde \u00e0 des milliards d&rsquo;ann\u00e9es.\u00a0\u00c9tant donn\u00e9 que les radio-isotopes filles ont des demi-vies diff\u00e9rentes, l&rsquo;\u00e9quilibre s\u00e9culaire est atteint apr\u00e8s un certain temps.\u00a0Dans la longue cha\u00eene de d\u00e9sint\u00e9gration d&rsquo;un \u00e9l\u00e9ment naturellement radioactif, tel que\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power-plant\/nuclear-fuel\/uranium\/uranium-238\/\"><span>l&rsquo;uranium-238<\/span><\/a><span>, o\u00f9 tous les \u00e9l\u00e9ments de la cha\u00eene sont en \u00e9quilibre s\u00e9culaire, chacun des descendants s&rsquo;est accumul\u00e9 jusqu&rsquo;\u00e0 une quantit\u00e9 d&rsquo;\u00e9quilibre et tous se d\u00e9sint\u00e8grent au rythme fix\u00e9 par le parent d&rsquo;origine.\u00a0Si et quand l&rsquo;\u00e9quilibre est atteint, chaque isotope fils successif est pr\u00e9sent en proportion directe de sa demi-vie.\u00a0Depuis son\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/radiation-protection\/units-of-radioactivity\/calculation-of-radioactivity-becquerel-curie\/\"><span>activit\u00e9<\/span><\/a> <span>est inversement proportionnel \u00e0 sa demi-vie, chaque nucl\u00e9ide de la cha\u00eene de d\u00e9sint\u00e9gration contribue finalement \u00e0 autant de transformations individuelles que la t\u00eate de la cha\u00eene.<\/span><\/p>\n<p><span>Comme on peut le voir sur les figures, la ramification se produit dans les quatre s\u00e9ries radioactives.\u00a0Cela signifie que la d\u00e9composition d&rsquo;une esp\u00e8ce donn\u00e9e peut se produire de plusieurs fa\u00e7ons.\u00a0Par exemple, dans la s\u00e9rie du thorium, le bismuth-212 se d\u00e9sint\u00e8gre partiellement par \u00e9mission b\u00eata n\u00e9gative en polonium-212 et partiellement par \u00e9mission alpha en thallium-206.<\/span><\/p>\n<p><strong><span>La cascade<\/span><\/strong><span>\u00a0radioactive influence significativement la\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/radiation-protection\/radioactivity-nuclear-decay\/\"><span>radioactivit\u00e9<\/span><\/a><span> (<\/span><strong><span>d\u00e9sint\u00e9grations par seconde<\/span><\/strong><span>) d&rsquo;\u00e9chantillons naturels et de mat\u00e9riaux naturels.\u00a0Tous les descendants sont pr\u00e9sents, au moins transitoirement, dans tout \u00e9chantillon naturel, qu&rsquo;il soit m\u00e9tallique, compos\u00e9 ou min\u00e9ral.\u00a0Par exemple, l&rsquo;uranium 238 pur est faiblement radioactif (proportionnellement \u00e0 sa longue demi-vie), mais un minerai d&rsquo;uranium est environ 13 fois plus radioactif que l&rsquo;uranium 238 pur en raison de ses isotopes descendants (par exemple radon, radium, etc.) il contient.\u00a0Non seulement les isotopes instables du radium sont d&rsquo;importants \u00e9metteurs de radioactivit\u00e9, mais en tant qu&rsquo;\u00e9tape suivante de la cha\u00eene de d\u00e9sint\u00e9gration, ils g\u00e9n\u00e8rent \u00e9galement du radon, un gaz radioactif lourd, inerte et naturel.\u00a0De plus, la chaleur de d\u00e9sint\u00e9gration de l&rsquo;uranium et de ses produits de d\u00e9sint\u00e9gration (par exemple le radon, le radium, etc.) contribue au r\u00e9chauffement du noyau terrestre.<\/span><\/p>\n<p><span>Voir aussi:\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/radioactive-equilibrium\/\"><span>\u00c9quilibre radioactif<\/span><\/a><\/p>\n<h3><span>Types de d\u00e9composition<\/span><\/h3>\n<p><span>Au sein de chaque s\u00e9rie radioactive, il existe deux principaux modes de d\u00e9sint\u00e9gration radioactive:<\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/alpha-decay-alpha-radioactivity\/\"><strong><span>D\u00e9sint\u00e9gration alpha<\/span><\/strong><\/a><span>.\u00a0<\/span><strong><span>La d\u00e9sint\u00e9gration alpha<\/span><\/strong><span>\u00a0repr\u00e9sente la d\u00e9sint\u00e9gration d&rsquo;un<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/atom-properties-of-atoms\/atomic-nucleus\/parent-nucleus-daughter-nucleus\/\"><span>\u00a0noyau parent<\/span><\/a><span>\u00a0en un noyau fille par l&rsquo;\u00e9mission du noyau d&rsquo;un atome d&rsquo;h\u00e9lium.\u00a0<\/span><a title=\"Particule alpha\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/alpha-particle\/\"><span>Les particules alpha<\/span><\/a><span>\u00a0sont constitu\u00e9es de deux protons et de deux<\/span><a title=\"Neutron\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/neutron\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span>\u00a0neutrons<\/span><\/a><span>\u00a0li\u00e9s ensemble en une particule identique \u00e0 un noyau d&rsquo;h\u00e9lium.\u00a0Du fait de sa tr\u00e8s grande masse (plus de 7000 fois la masse de la particule b\u00eata) et de sa charge, elle<\/span><strong><span>\u00a0ionise<\/span><\/strong><span>\u00a0la mati\u00e8re lourde et a une<\/span><strong><span> port\u00e9e tr\u00e8s courte<\/span><\/strong><span>.<\/span><\/li>\n<li><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/beta-decay-beta-radioactivity\/\"><strong><span>D\u00e9sint\u00e9gration b\u00eata<\/span><\/strong><\/a><span>.\u00a0<\/span><strong><span>La d\u00e9sint\u00e9gration b\u00eata<\/span><\/strong><span>\u00a0ou<\/span><strong><span>\u00a0la d\u00e9sint\u00e9gration \u03b2<\/span><\/strong><span>\u00a0repr\u00e9sente la d\u00e9sint\u00e9gration d&rsquo;un noyau parent en un noyau fille par l&rsquo;\u00e9mission de la particule b\u00eata.\u00a0Les particules b\u00eata sont des \u00e9lectrons ou des positrons \u00e0 haute \u00e9nergie et \u00e0 grande vitesse \u00e9mis par certains types de noyaux radioactifs tels que le potassium-40.\u00a0Les particules b\u00eata ont<\/span><strong><span>\u00a0une plus grande plage<\/span><\/strong><span>\u00a0de p\u00e9n\u00e9tration que les particules alpha, mais encore beaucoup moins que les rayons gamma. Les particules b\u00eata \u00e9mises sont une forme de rayonnement ionisant \u00e9galement connu sous le nom de rayons b\u00eata.\u00a0La production de particules b\u00eata est appel\u00e9e d\u00e9sint\u00e9gration b\u00eata.<\/span><\/li>\n<\/ul>\n<h3><span>S\u00e9rie Thorium<\/span><\/h3>\n<p><a href=\"http:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/thorium-series-decay-chain.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-25241\" src=\"http:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/thorium-series-decay-chain-300x191.png\" alt=\"s\u00e9rie thorium - cha\u00eene de d\u00e9sint\u00e9gration\" width=\"300\" height=\"191\" \/><\/a><span>La\u00a0<\/span><strong><span>s\u00e9rie du thorium est l&rsquo;une des trois s\u00e9ries radioactives classiques commen\u00e7ant par\u00a0<\/span><\/strong><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power-plant\/nuclear-fuel\/thorium\/thorium-232\/\"><span>le thorium-232<\/span><\/a><span> d&rsquo;origine naturelle.\u00a0Cette cha\u00eene de d\u00e9sint\u00e9gration radioactive est constitu\u00e9e de noyaux atomiques lourds instables qui se\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/\"><span>d\u00e9sint\u00e8grent<\/span><\/a><span>\u00a0par une s\u00e9quence de d\u00e9sint\u00e9grations\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/alpha-decay-alpha-radioactivity\/\"><span>alpha<\/span><\/a><span>\u00a0et\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/beta-decay-beta-radioactivity\/\"><span>b\u00eata<\/span><\/a><span>\u00a0jusqu&rsquo;\u00e0 l&rsquo;obtention d&rsquo;un noyau stable.\u00a0Dans le cas de la s\u00e9rie du thorium, le noyau stable est le plomb-208.<\/span><\/p>\n<p><span>\u00c9tant donn\u00e9 que\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/alpha-decay-alpha-radioactivity\/\"><span>la d\u00e9sint\u00e9gration alpha<\/span><\/a><span>\u00a0repr\u00e9sente la d\u00e9sint\u00e9gration d&rsquo;un\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/atom-properties-of-atoms\/atomic-nucleus\/parent-nucleus-daughter-nucleus\/\"><span>noyau parent<\/span><\/a><span>\u00a0en un noyau fille par l&rsquo;\u00e9mission du noyau d&rsquo;un atome d&rsquo;h\u00e9lium (qui contient quatre nucl\u00e9ons), il n&rsquo;y a que quatre s\u00e9ries de d\u00e9sint\u00e9gration.\u00a0Dans chaque s\u00e9rie, par cons\u00e9quent, le nombre de masse des membres peut \u00eatre exprim\u00e9 comme quatre fois un nombre entier appropri\u00e9 (n) plus la constante pour cette s\u00e9rie.\u00a0En cons\u00e9quence, la\u00a0<\/span><strong><span>s\u00e9rie du thorium<\/span><\/strong><span>\u00a0est connue sous le nom de\u00a0<\/span><strong><span>s\u00e9rie 4n<\/span><\/strong><span>.<\/span><\/p>\n<p><span>L&rsquo;\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/<a href=\"https:\/\/modern-physics.org\/thermodynamics\/\">thermodynamics<\/a>\/what-is-energy-physics\/\u00a0\u00bb><span>\u00e9nergie<\/span><span>\u00a0totale lib\u00e9r\u00e9e du thorium-232 au plomb-208, y compris l&rsquo;\u00e9nergie perdue par les\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/neutrino\/\"><span>neutrinos<\/span><\/a><span>, est de 42,6 MeV.<\/span><\/p>\n<h3><span>S\u00e9rie Neptunium<\/span><\/h3>\n<p><a href=\"http:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/neptunium-series-decay-chain.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-25242\" src=\"http:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/neptunium-series-decay-chain-300x188.png\" alt=\"s\u00e9rie neptunium - cha\u00eene de d\u00e9sint\u00e9gration\" width=\"300\" height=\"188\" \/><\/a><span>La s\u00e9rie du\u00a0<\/span><strong><span>neptunium<\/span><\/strong><span>\u00a0est une s\u00e9rie radioactive commen\u00e7ant par le neptunium-237.\u00a0Ses membres sont produits artificiellement par\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/nuclear-reactions\/\"><span>des r\u00e9actions nucl\u00e9aires<\/span><\/a><span>\u00a0et ne se produisent pas naturellement,\u00a0<\/span><strong><span>car la demi-vie de l&rsquo;isotope ayant la plus longue dur\u00e9e de vie de la s\u00e9rie est courte par rapport \u00e0 l&rsquo;\u00e2ge de la Terre.\u00a0<\/span><\/strong><span>Cette cha\u00eene de d\u00e9sint\u00e9gration radioactive est constitu\u00e9e de noyaux atomiques lourds instables qui se\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/\"><span>d\u00e9sint\u00e8grent<\/span><\/a><span>\u00a0par une s\u00e9quence de d\u00e9sint\u00e9grations\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/alpha-decay-alpha-radioactivity\/\"><span>alpha<\/span><\/a><span>\u00a0et\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/beta-decay-beta-radioactivity\/\"><span>b\u00eata<\/span><\/a><span>\u00a0jusqu&rsquo;\u00e0 l&rsquo;obtention d&rsquo;un noyau stable.\u00a0Dans le cas de la s\u00e9rie neptunium, le noyau stable est le bismuth-209 (avec une demi-vie de 1,9E19 ans) et le thallium-205.<\/span><\/p>\n<p><span>\u00c9tant donn\u00e9 que\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/alpha-decay-alpha-radioactivity\/\"><span>la d\u00e9sint\u00e9gration alpha<\/span><\/a><span>\u00a0repr\u00e9sente la d\u00e9sint\u00e9gration d&rsquo;un\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/atom-properties-of-atoms\/atomic-nucleus\/parent-nucleus-daughter-nucleus\/\"><span>noyau parent<\/span><\/a><span>\u00a0en un noyau fille par l&rsquo;\u00e9mission du noyau d&rsquo;un atome d&rsquo;h\u00e9lium (qui contient quatre nucl\u00e9ons), il n&rsquo;y a que quatre s\u00e9ries de d\u00e9sint\u00e9gration.\u00a0Dans chaque s\u00e9rie, par cons\u00e9quent, le nombre de masse des membres peut \u00eatre exprim\u00e9 comme quatre fois un nombre entier appropri\u00e9 (n) plus la constante pour cette s\u00e9rie.\u00a0En cons\u00e9quence, la s\u00e9rie du neptunium est connue sous le nom de s\u00e9rie\u00a0<\/span><strong><span>4n+1<\/span><\/strong><span>.<\/span><\/p>\n<p><span>L&rsquo;\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/<a href=\"https:\/\/modern-physics.org\/thermodynamics\/\">thermodynamics<\/a>\/what-is-energy-physics\/\u00a0\u00bb><span>\u00e9nergie<\/span><span>\u00a0totale lib\u00e9r\u00e9e du neptunium-237 vers le thallium-205, y compris l&rsquo;\u00e9nergie perdue par les\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/neutrino\/\"><span>neutrinos<\/span><\/a><span>, est de 50,0 MeV.<\/span><\/p>\n<p><span>Dans certains types de d\u00e9tecteurs de fum\u00e9e, vous pouvez rencontrer des radionucl\u00e9ides de cette s\u00e9rie.\u00a0Les d\u00e9tecteurs de fum\u00e9e \u00e0 ionisation utilisent g\u00e9n\u00e9ralement un radio-isotope, g\u00e9n\u00e9ralement\u00a0<\/span><strong><span>l&rsquo;am\u00e9ricium-241<\/span><\/strong><span>, pour ioniser l&rsquo;air et d\u00e9tecter la fum\u00e9e.\u00a0Dans ce cas, l&rsquo;am\u00e9ricium-241 se d\u00e9sint\u00e8gre en neptunium-237 et est, en fait, un membre de la s\u00e9rie neptunium.<\/span><\/p>\n<h3><span>S\u00e9rie d&rsquo;uranium<\/span><\/h3>\n<p><a href=\"http:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/uranium-series-decay-chain.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-25239\" src=\"http:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/uranium-series-decay-chain-300x171.png\" alt=\"s\u00e9rie uranium - cha\u00eene de d\u00e9sint\u00e9gration\" width=\"300\" height=\"171\" \/><\/a><span>La\u00a0<\/span><strong><span>s\u00e9rie de l&rsquo;uranium, \u00e9galement connue sous le nom de s\u00e9rie du radium, est l&rsquo;une des trois s\u00e9ries radioactives classiques commen\u00e7ant par l&rsquo; <\/span><\/strong><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power-plant\/nuclear-fuel\/uranium\/uranium-238\/\"><span>uranium-238<\/span><\/a><span>\u00a0d&rsquo;origine naturelle\u00a0.\u00a0Cette cha\u00eene de d\u00e9sint\u00e9gration radioactive est constitu\u00e9e de noyaux atomiques lourds instables qui se\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/\"><span>d\u00e9sint\u00e8grent<\/span><\/a><span>\u00a0par une s\u00e9quence de d\u00e9sint\u00e9grations\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/alpha-decay-alpha-radioactivity\/\"><span>alpha<\/span><\/a><span>\u00a0et\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/beta-decay-beta-radioactivity\/\"><span>b\u00eata<\/span><\/a><span>\u00a0jusqu&rsquo;\u00e0 l&rsquo;obtention d&rsquo;un noyau stable.\u00a0Dans le cas de la s\u00e9rie de l&rsquo;uranium, le noyau stable est le plomb-206.<\/span><\/p>\n<p><span>\u00c9tant donn\u00e9 que\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/alpha-decay-alpha-radioactivity\/\"><span>la d\u00e9sint\u00e9gration alpha<\/span><\/a><span>\u00a0repr\u00e9sente la d\u00e9sint\u00e9gration d&rsquo;un\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/atom-properties-of-atoms\/atomic-nucleus\/parent-nucleus-daughter-nucleus\/\"><span>noyau parent<\/span><\/a><span>\u00a0en un noyau fille par l&rsquo;\u00e9mission du noyau d&rsquo;un atome d&rsquo;h\u00e9lium (qui contient quatre nucl\u00e9ons), il n&rsquo;y a que quatre s\u00e9ries de d\u00e9sint\u00e9gration.\u00a0Dans chaque s\u00e9rie, par cons\u00e9quent, le nombre de masse des membres peut \u00eatre exprim\u00e9 comme quatre fois un nombre entier appropri\u00e9 (n) plus la constante pour cette s\u00e9rie.\u00a0En cons\u00e9quence, la\u00a0<\/span><strong><span>s\u00e9rie de l&rsquo;uranium<\/span><\/strong><span>\u00a0est connue sous le nom de s\u00e9rie\u00a0<\/span><strong><span>4n+2<\/span><\/strong><span>.<\/span><\/p>\n<p><span>L&rsquo;\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/<a href=\"https:\/\/modern-physics.org\/thermodynamics\/\">thermodynamics<\/a>\/what-is-energy-physics\/\u00a0\u00bb><span>\u00e9nergie<\/span><span>\u00a0totale lib\u00e9r\u00e9e de l&rsquo;uranium-238 au plomb-206, y compris l&rsquo;\u00e9nergie perdue par les\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/neutrino\/\"><span>neutrinos<\/span><\/a><span>, est de 51,7 MeV.<\/span><\/p>\n<p><strong><span>S\u00e9rie Uranium et Uranium-234<\/span><\/strong><\/p>\n<p><span>L&rsquo;isotope de\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power-plant\/nuclear-fuel\/uranium\/uranium-234\/\"><span>l&rsquo;uranium 234<\/span><\/a><span>\u00a0fait partie de cette s\u00e9rie.\u00a0Cet isotope a une demi-vie de seulement 2,46\u00d710\u00a0<\/span><sup><span>5<\/span><\/sup><span>\u00a0ans et n&rsquo;appartient donc pas aux\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/glossary\/primordial-matter\/\"><span>nucl\u00e9ides primordiaux<\/span><\/a><span>\u00a0(contrairement \u00e0\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power-plant\/nuclear-fuel\/uranium\/uranium-235\/\"><sup><span>235<\/span><\/sup><span>U<\/span><\/a><span>\u00a0et\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power-plant\/nuclear-fuel\/uranium\/uranium-238\/\"><sup><span>238<\/span><\/sup><span>U<\/span><\/a><span>\u00a0).\u00a0D&rsquo;autre part, cet isotope est toujours pr\u00e9sent dans la cro\u00fbte terrestre, mais cela est d\u00fb au fait que\u00a0<\/span><sup><span>234<\/span><\/sup><span>U est un\u00a0<\/span><strong><span>produit de d\u00e9sint\u00e9gration indirecte de\u00a0<\/span><\/strong><strong><sup><span>238<\/span><\/sup><\/strong><strong><span>U<\/span><\/strong><span>.\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power-plant\/nuclear-fuel\/uranium\/uranium-238\/\"><sup><span>238<\/span><\/sup><span>U<\/span><\/a><span>\u00a0se d\u00e9sint\u00e8gre par\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/alpha-particle\/\"><span>d\u00e9sint\u00e9gration alpha<\/span><\/a><span>\u00a0en\u00a0<\/span><sup><span>234<\/span><\/sup><span>U.\u00a0<\/span><sup><span>234<\/span><\/sup><span>U se d\u00e9sint\u00e8gre par d\u00e9sint\u00e9gration alpha en 230Th, \u00e0 l&rsquo;exception d&rsquo;une tr\u00e8s petite fraction (de l&rsquo;ordre du ppm) de noyaux qui se d\u00e9sint\u00e8gre par fission spontan\u00e9e.<\/span><\/p>\n<p><span>Dans un \u00e9chantillon naturel d&rsquo;uranium, ces noyaux sont pr\u00e9sents dans les proportions inalt\u00e9rables de l&rsquo;\u00a0<\/span><strong><span>\u00e9quilibre radioactif<\/span><\/strong><span>\u00a0de la filiation\u00a0<\/span><sup><span>238<\/span><\/sup><span>U \u00e0 raison d&rsquo;un atome de\u00a0<\/span><sup><span>234<\/span><\/sup><span>U pour environ 18 500 noyaux de\u00a0<\/span><sup><span>238<\/span><\/sup><span>U. Du fait de cet \u00e9quilibre ces deux les\u00a0isotopes (\u00a0<\/span><sup><span>238<\/span><\/sup><span>U et\u00a0<\/span><sup><span>234<\/span><\/sup><span>U) contribuent \u00e0 parts \u00e9gales \u00e0 la radioactivit\u00e9 de l&rsquo;uranium naturel.<\/span><\/p>\n<h3><span>S\u00e9rie Actinium<\/span><\/h3>\n<p><a href=\"http:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/actinium-series-decay-chain.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-25240\" src=\"http:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/actinium-series-decay-chain-300x190.png\" alt=\"s\u00e9rie actinium - cha\u00eene de d\u00e9sint\u00e9gration\" width=\"300\" height=\"190\" \/><\/a><span>La\u00a0<\/span><strong><span>s\u00e9rie de l&rsquo;actinium est l&rsquo;une des trois s\u00e9ries radioactives classiques commen\u00e7ant par l&rsquo;\u00a0<\/span><\/strong><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power-plant\/nuclear-fuel\/uranium\/uranium-235\/\"><span>uranium-235<\/span><\/a><span> d&rsquo;origine naturelle.\u00a0Cette cha\u00eene de d\u00e9sint\u00e9gration radioactive est constitu\u00e9e de noyaux atomiques lourds instables qui se\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/\"><span>d\u00e9sint\u00e8grent<\/span><\/a><span>\u00a0par une s\u00e9quence de d\u00e9sint\u00e9grations\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/alpha-decay-alpha-radioactivity\/\"><span>alpha<\/span><\/a><span>\u00a0et\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/beta-decay-beta-radioactivity\/\"><span>b\u00eata<\/span><\/a><span>\u00a0jusqu&rsquo;\u00e0 l&rsquo;obtention d&rsquo;un noyau stable.\u00a0Dans le cas de la s\u00e9rie actinium, le noyau stable est le plomb-207.<\/span><\/p>\n<p><span>\u00c9tant donn\u00e9 que la d\u00e9sint\u00e9gration alpha repr\u00e9sente la d\u00e9sint\u00e9gration d&rsquo;un\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/atom-properties-of-atoms\/atomic-nucleus\/parent-nucleus-daughter-nucleus\/\"><span>noyau parent<\/span><\/a><span>\u00a0en un noyau fille par l&rsquo;\u00e9mission du noyau d&rsquo;un atome d&rsquo;h\u00e9lium (qui contient quatre nucl\u00e9ons), il n&rsquo;y a que quatre s\u00e9ries de d\u00e9sint\u00e9gration.\u00a0Dans chaque s\u00e9rie, par cons\u00e9quent, le nombre de masse des membres peut \u00eatre exprim\u00e9 comme quatre fois un nombre entier appropri\u00e9 (n) plus la constante pour cette s\u00e9rie.\u00a0En cons\u00e9quence, la\u00a0<\/span><strong><span>s\u00e9rie de l&rsquo;actinium<\/span><\/strong><span>\u00a0est connue sous le nom de s\u00e9rie\u00a0<\/span><strong><span>4n+3<\/span><\/strong><span>.<\/span><\/p>\n<p><span>L&rsquo;\u00e9nergie totale lib\u00e9r\u00e9e de l&rsquo;uranium 235 au plomb 207, y compris l&rsquo;\u00e9nergie perdue par les neutrinos, est de 46,4 MeV.<\/span><\/p>\n<p><span><\/span><\/p><\/div><\/div><\/span><\/p>\n<p><span><div  class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\"><div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-arrow\" data-anchor=\"R\u00e9f\u00e9rences\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>R\u00e9f\u00e9rences :<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<p><strong><span>Protection contre les radiations:<\/span><\/strong><\/p>\n<ol>\n<li><span>Knoll, Glenn F., Radiation Detection and Measurement 4th Edition, Wiley, 8\/2010.\u00a0ISBN-13\u00a0: 978-0470131480.<\/span><\/li>\n<li><span>Stabin, Michael G., Radioprotection et dosim\u00e9trie : une introduction \u00e0 la physique de la sant\u00e9, Springer, 10\/2010.\u00a0ISBN-13\u00a0: 978-1441923912.<\/span><\/li>\n<li><span>Martin, James E., Physics for Radiation Protection 3rd Edition, Wiley-VCH, 4\/2013.\u00a0ISBN-13\u00a0: 978-3527411764.<\/span><\/li>\n<li><span>USNRC, CONCEPTS DE R\u00c9ACTEURS NUCL\u00c9AIRES<\/span><\/li>\n<li><span>D\u00e9partement am\u00e9ricain de l&rsquo;\u00e9nergie, de la physique nucl\u00e9aire et de la th\u00e9orie des r\u00e9acteurs.\u00a0DOE Fundamentals Handbook, Volume 1 et 2. Janvier 1993.<\/span><\/li>\n<\/ol>\n<p><strong><span>Physique nucl\u00e9aire et des r\u00e9acteurs:<\/span><\/strong><\/p>\n<ol>\n<li><span>JR Lamarsh, Introduction \u00e0 la th\u00e9orie des r\u00e9acteurs nucl\u00e9aires, 2e \u00e9d., Addison-Wesley, Reading, MA (1983).<\/span><\/li>\n<li><span>JR Lamarsh, AJ Baratta, Introduction au g\u00e9nie nucl\u00e9aire, 3e \u00e9d., Prentice-Hall, 2001, ISBN : 0-201-82498-1.<\/span><\/li>\n<li><span>WM Stacey, Physique des r\u00e9acteurs nucl\u00e9aires, John Wiley &amp; Sons, 2001, ISBN : 0-471-39127-1.<\/span><\/li>\n<li><span>Glasstone, Sesonsk\u00e9.\u00a0Ing\u00e9nierie des r\u00e9acteurs nucl\u00e9aires\u00a0: Ing\u00e9nierie des syst\u00e8mes de r\u00e9acteurs, Springer\u00a0;\u00a04e \u00e9dition, 1994, ISBN : 978-0412985317<\/span><\/li>\n<li><span>WSC Williams.\u00a0Physique nucl\u00e9aire et des particules.\u00a0Presse Clarendon\u00a0;\u00a01 \u00e9dition, 1991, ISBN : 978-0198520467<\/span><\/li>\n<li><span>GRKeep.\u00a0Physique de la cin\u00e9tique nucl\u00e9aire.\u00a0Pub Addison-Wesley.\u00a0Co;\u00a01\u00e8re \u00e9dition, 1965<\/span><\/li>\n<li><span>Robert Reed Burn, Introduction au fonctionnement des r\u00e9acteurs nucl\u00e9aires, 1988.<\/span><\/li>\n<li><span>D\u00e9partement am\u00e9ricain de l&rsquo;\u00e9nergie, de la physique nucl\u00e9aire et de la th\u00e9orie des r\u00e9acteurs.\u00a0DOE Fundamentals Handbook, Volume 1 et 2. Janvier 1993.<\/span><\/li>\n<li><span>Paul Reuss, Physique des neutrons.\u00a0EDP \u200b\u200bSciences, 2008. ISBN : 978-2759800414.<\/span><\/li>\n<\/ol>\n<p><span><\/span><\/p><\/div><\/div><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><\/div><\/div><\/span><\/p>\n<p><span><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\"><\/div><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<h2><span>Voir \u00e9galement:<\/span><\/h2>\n<p><span>D\u00e9sint\u00e9gration radioactive<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/radioactive-decay\/\" class=\"su-button su-button-style-flat\" style=\"color:#FFFFFF;background-color:#ffffff;border-color:#cccccc;border-radius:10px;-moz-border-radius:10px;-webkit-border-radius:10px\" target=\"_self\"><span style=\"color:#FFFFFF;padding:7px 20px;font-size:16px;line-height:24px;border-color:#ffffff;border-radius:10px;-moz-border-radius:10px;-webkit-border-radius:10px;text-shadow:0px 0px 0px #000000;-moz-text-shadow:0px 0px 0px #000000;-webkit-text-shadow:0px 0px 0px #000000\"><img src=\"icon : lien\" alt=\"\" style=\"width:24px;height:24px\" \/> <\/span><\/a><\/span><\/p><\/div><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\"><\/div><\/div><\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><\/span><\/p>\n<p><span>Nous esp\u00e9rons que cet article,\u00a0<\/span><strong><span>Radioactive Series &#8211; Radioactive Cascade<\/span><\/strong><span>, vous aidera.\u00a0Si oui,\u00a0<\/span><strong><span>donnez-nous un like<\/span><\/strong><span>\u00a0dans la barre lat\u00e9rale.\u00a0L&rsquo;objectif principal de ce site Web est d&rsquo;aider le public \u00e0 apprendre des informations int\u00e9ressantes et importantes sur les mat\u00e9riaux et leurs propri\u00e9t\u00e9s.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nous esp\u00e9rons que cet article,\u00a0Radioactive Series &#8211; Radioactive Cascade, vous aidera.\u00a0Si oui,\u00a0donnez-nous un like\u00a0dans la barre lat\u00e9rale.\u00a0L&rsquo;objectif principal de ce site Web est d&rsquo;aider le public \u00e0 apprendre des informations int\u00e9ressantes et importantes sur les mat\u00e9riaux et leurs propri\u00e9t\u00e9s.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Qu&#039;est-ce que la s\u00e9rie radioactive - Cascade radioactive - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"Les s\u00e9ries radioactives (\u00e9galement appel\u00e9es cascades radioactives) sont trois cha\u00eenes de d\u00e9sint\u00e9gration radioactives naturelles et une cha\u00eene de d\u00e9sint\u00e9gration radioactive artificielle de noyaux atomiques lourds instables. Tableau p\u00e9riodique\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/material-properties.org\/fr\/quest-ce-que-la-serie-radioactive-cascade-radioactive-definition\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qu&#039;est-ce que la s\u00e9rie radioactive - Cascade radioactive - D\u00e9finition\" \/>\n<meta property=\"og:description\" content=\"Les s\u00e9ries radioactives (\u00e9galement appel\u00e9es cascades radioactives) sont trois cha\u00eenes de d\u00e9sint\u00e9gration radioactives naturelles et une cha\u00eene de d\u00e9sint\u00e9gration radioactive artificielle de noyaux atomiques lourds instables. Tableau p\u00e9riodique\" \/>\n<meta property=\"og:url\" content=\"https:\/\/material-properties.org\/fr\/quest-ce-que-la-serie-radioactive-cascade-radioactive-definition\/\" \/>\n<meta property=\"og:site_name\" content=\"Material Properties\" \/>\n<meta property=\"article:published_time\" content=\"2022-05-26T09:45:36+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-06-01T10:51:00+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/thorium-series-decay-chain-300x191.png\" \/>\n<meta name=\"author\" content=\"Nick Connor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nick Connor\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"13 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/material-properties.org\/fr\/quest-ce-que-la-serie-radioactive-cascade-radioactive-definition\/\",\"url\":\"https:\/\/material-properties.org\/fr\/quest-ce-que-la-serie-radioactive-cascade-radioactive-definition\/\",\"name\":\"Qu'est-ce que la s\u00e9rie radioactive - Cascade radioactive - D\u00e9finition\",\"isPartOf\":{\"@id\":\"https:\/\/material-properties.org\/fr\/#website\"},\"datePublished\":\"2022-05-26T09:45:36+00:00\",\"dateModified\":\"2022-06-01T10:51:00+00:00\",\"author\":{\"@id\":\"https:\/\/material-properties.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"Les s\u00e9ries radioactives (\u00e9galement appel\u00e9es cascades radioactives) sont trois cha\u00eenes de d\u00e9sint\u00e9gration radioactives naturelles et une cha\u00eene de d\u00e9sint\u00e9gration radioactive artificielle de noyaux atomiques lourds instables. Tableau p\u00e9riodique\",\"breadcrumb\":{\"@id\":\"https:\/\/material-properties.org\/fr\/quest-ce-que-la-serie-radioactive-cascade-radioactive-definition\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/material-properties.org\/fr\/quest-ce-que-la-serie-radioactive-cascade-radioactive-definition\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/material-properties.org\/fr\/quest-ce-que-la-serie-radioactive-cascade-radioactive-definition\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\u016f\",\"item\":\"https:\/\/material-properties.org\/fr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Qu&#8217;est-ce que la s\u00e9rie radioactive &#8211; Cascade radioactive &#8211; D\u00e9finition\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/material-properties.org\/fr\/#website\",\"url\":\"https:\/\/material-properties.org\/fr\/\",\"name\":\"Material Properties\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/material-properties.org\/fr\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/material-properties.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\",\"name\":\"Nick Connor\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/material-properties.org\/fr\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/84c0dec310b44b65da29dc9df6925239?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/84c0dec310b44b65da29dc9df6925239?s=96&d=mm&r=g\",\"caption\":\"Nick Connor\"},\"url\":\"https:\/\/material-properties.org\/fr\/author\/matan\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Qu'est-ce que la s\u00e9rie radioactive - Cascade radioactive - D\u00e9finition","description":"Les s\u00e9ries radioactives (\u00e9galement appel\u00e9es cascades radioactives) sont trois cha\u00eenes de d\u00e9sint\u00e9gration radioactives naturelles et une cha\u00eene de d\u00e9sint\u00e9gration radioactive artificielle de noyaux atomiques lourds instables. Tableau p\u00e9riodique","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/material-properties.org\/fr\/quest-ce-que-la-serie-radioactive-cascade-radioactive-definition\/","og_locale":"fr_FR","og_type":"article","og_title":"Qu'est-ce que la s\u00e9rie radioactive - Cascade radioactive - D\u00e9finition","og_description":"Les s\u00e9ries radioactives (\u00e9galement appel\u00e9es cascades radioactives) sont trois cha\u00eenes de d\u00e9sint\u00e9gration radioactives naturelles et une cha\u00eene de d\u00e9sint\u00e9gration radioactive artificielle de noyaux atomiques lourds instables. Tableau p\u00e9riodique","og_url":"https:\/\/material-properties.org\/fr\/quest-ce-que-la-serie-radioactive-cascade-radioactive-definition\/","og_site_name":"Material Properties","article_published_time":"2022-05-26T09:45:36+00:00","article_modified_time":"2022-06-01T10:51:00+00:00","og_image":[{"url":"http:\/\/material-properties.org\/wp-content\/uploads\/2019\/05\/thorium-series-decay-chain-300x191.png"}],"author":"Nick Connor","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Nick Connor","Dur\u00e9e de lecture estim\u00e9e":"13 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/material-properties.org\/fr\/quest-ce-que-la-serie-radioactive-cascade-radioactive-definition\/","url":"https:\/\/material-properties.org\/fr\/quest-ce-que-la-serie-radioactive-cascade-radioactive-definition\/","name":"Qu'est-ce que la s\u00e9rie radioactive - Cascade radioactive - D\u00e9finition","isPartOf":{"@id":"https:\/\/material-properties.org\/fr\/#website"},"datePublished":"2022-05-26T09:45:36+00:00","dateModified":"2022-06-01T10:51:00+00:00","author":{"@id":"https:\/\/material-properties.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb"},"description":"Les s\u00e9ries radioactives (\u00e9galement appel\u00e9es cascades radioactives) sont trois cha\u00eenes de d\u00e9sint\u00e9gration radioactives naturelles et une cha\u00eene de d\u00e9sint\u00e9gration radioactive artificielle de noyaux atomiques lourds instables. Tableau p\u00e9riodique","breadcrumb":{"@id":"https:\/\/material-properties.org\/fr\/quest-ce-que-la-serie-radioactive-cascade-radioactive-definition\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/material-properties.org\/fr\/quest-ce-que-la-serie-radioactive-cascade-radioactive-definition\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/material-properties.org\/fr\/quest-ce-que-la-serie-radioactive-cascade-radioactive-definition\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Dom\u016f","item":"https:\/\/material-properties.org\/fr\/"},{"@type":"ListItem","position":2,"name":"Qu&#8217;est-ce que la s\u00e9rie radioactive &#8211; Cascade radioactive &#8211; D\u00e9finition"}]},{"@type":"WebSite","@id":"https:\/\/material-properties.org\/fr\/#website","url":"https:\/\/material-properties.org\/fr\/","name":"Material Properties","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/material-properties.org\/fr\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/material-properties.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb","name":"Nick Connor","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/material-properties.org\/fr\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/84c0dec310b44b65da29dc9df6925239?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/84c0dec310b44b65da29dc9df6925239?s=96&d=mm&r=g","caption":"Nick Connor"},"url":"https:\/\/material-properties.org\/fr\/author\/matan\/"}]}},"_links":{"self":[{"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/posts\/117058"}],"collection":[{"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/comments?post=117058"}],"version-history":[{"count":0,"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/posts\/117058\/revisions"}],"wp:attachment":[{"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/media?parent=117058"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/categories?post=117058"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/material-properties.org\/fr\/wp-json\/wp\/v2\/tags?post=117058"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}