{"id":17424,"date":"2020-06-13T17:58:27","date_gmt":"2020-06-13T17:58:27","guid":{"rendered":"https:\/\/www.radiation-dosimetry.org\/quais-sao-as-caracteristicas-dos-raios-gama-radiacao-definicao\/"},"modified":"2020-07-20T07:06:11","modified_gmt":"2020-07-20T07:06:11","slug":"quais-sao-as-caracteristicas-dos-raios-gama-radiacao-definicao","status":"publish","type":"post","link":"https:\/\/www.radiation-dosimetry.org\/pt-br\/quais-sao-as-caracteristicas-dos-raios-gama-radiacao-definicao\/","title":{"rendered":"Quais s\u00e3o as caracter\u00edsticas dos raios gama \/ radia\u00e7\u00e3o &#8211; defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-u-clearfix su-u-trim\">Os raios gama s\u00e3o radia\u00e7\u00e3o eletromagn\u00e9tica. Os principais recursos dos raios gama s\u00e3o resumidos nos seguintes pontos. Caracter\u00edsticas dos raios gama. Dosimetria de Radia\u00e7\u00e3o<\/div>\n<\/div>\n<div><\/div>\n<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<h2><span>Caracter\u00edsticas dos Raios Gama \/ Radia\u00e7\u00e3o<\/span><\/h2>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-60 lgc-tablet-grid-60 lgc-mobile-grid-100 lgc-equal-heights  lgc-first\">\n<div class=\"inside-grid-column\"><strong><span>Os principais recursos dos\u00a0<\/span><a title=\"Raios gama \/ radia\u00e7\u00e3o gama\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/photon\/gamma-ray\/\"><span>raios gama<\/span><\/a><\/strong><span>\u00a0est\u00e3o resumidos nos seguintes pontos:<\/span><\/p>\n<ul>\n<li><span>Os raios gama s\u00e3o\u00a0<\/span><strong><span>f\u00f3tons de alta energia<\/span><\/strong><span>\u00a0(cerca de 10.000 vezes mais energia que os f\u00f3tons vis\u00edveis),<\/span><\/li>\n<li><span>Os mesmos f\u00f3tons que os f\u00f3tons que formam a faixa vis\u00edvel do espectro eletromagn\u00e9tico &#8211; luz.<\/span><\/li>\n<li><span>F\u00f3tons (raios gama e raios X) podem ionizar \u00e1tomos diretamente (apesar de serem eletricamente neutros) atrav\u00e9s do efeito Fotoel\u00e9trico e do efeito Compton, mas a ioniza\u00e7\u00e3o secund\u00e1ria (indireta) \u00e9 muito mais significativa.<\/span><\/li>\n<li><span>Os raios gama ionizam a mat\u00e9ria principalmente via\u00a0<\/span><strong><span>ioniza\u00e7\u00e3o indireta<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<li><span>Embora seja conhecido um grande n\u00famero de poss\u00edveis intera\u00e7\u00f5es, existem tr\u00eas mecanismos principais de intera\u00e7\u00e3o com a mat\u00e9ria.<\/span>\n<ul>\n<li><a title=\"Efeito fotoel\u00e9trico\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/interaction-radiation-matter\/interaction-gamma-radiation-matter\/photoelectric-effect\/\"><strong><span>Efeito fotoel\u00e9trico<\/span><\/strong><\/a><\/li>\n<li><a title=\"Efeito Compton\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/interaction-radiation-matter\/interaction-gamma-radiation-matter\/compton-scattering\/\"><strong><span>Efeito Compton<\/span><\/strong><\/a><\/li>\n<li><a title=\"Produ\u00e7\u00e3o de Par Positron-El\u00e9tron\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/interaction-radiation-matter\/interaction-gamma-radiation-matter\/pair-production\/\"><strong><span>Produ\u00e7\u00e3o de pares<\/span><\/strong><\/a><\/li>\n<\/ul>\n<\/li>\n<li><span>Os raios gama viajam\u00a0<\/span><strong><span>na velocidade da luz<\/span><\/strong><span>\u00a0e podem viajar milhares de metros no ar antes de gastar sua energia.<\/span><\/li>\n<li><span>Como a radia\u00e7\u00e3o gama \u00e9 uma mat\u00e9ria muito penetrante, ela deve ser protegida por materiais muito densos, como chumbo ou ur\u00e2nio.<\/span><\/li>\n<li><span>A distin\u00e7\u00e3o entre raios X e raios gama n\u00e3o \u00e9 t\u00e3o simples e mudou nas \u00faltimas d\u00e9cadas.\u00a0De acordo com a defini\u00e7\u00e3o atualmente v\u00e1lida, os raios X s\u00e3o emitidos por el\u00e9trons fora do n\u00facleo, enquanto\u00a0<\/span><strong><span>os raios gama s\u00e3o emitidos pelo n\u00facleo<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<li><span>Os raios gama frequentemente\u00a0<\/span><strong><span>acompanham a emiss\u00e3o<\/span><\/strong><span>\u00a0de\u00a0<a title=\"Part\u00edcula Beta\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/beta-particle\/\">radia\u00e7\u00e3o\u00a0<\/a><\/span><a title=\"Alpha Particle\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/alpha-particle\/\"><span>alfa<\/span><\/a><span>\u00a0e\u00a0<\/span><a title=\"Part\u00edcula Beta\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/beta-particle\/\"><span>beta<\/span><\/a><span>\u00a0.<\/span><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-40 lgc-tablet-grid-40 lgc-mobile-grid-100 lgc-equal-heights  lgc-last\">\n<div class=\"inside-grid-column\">\n<figure id=\"attachment_11707\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-11707\"><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/cloud-chamber-2.png\"><img loading=\"lazy\" class=\"size-medium wp-image-11707 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/cloud-chamber-2-300x167.png\" alt=\"Compara\u00e7\u00e3o de part\u00edculas em uma c\u00e2mara de nuvens.  Fonte: wikipedia.org\" width=\"300\" height=\"167\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/cloud-chamber-2-300x167.png\" \/><\/a><figcaption id=\"caption-attachment-11707\" class=\"wp-caption-text\"><span>Compara\u00e7\u00e3o de part\u00edculas em uma c\u00e2mara de nuvens.\u00a0Fonte: wikipedia.org<\/span><\/figcaption><\/figure>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<figure id=\"attachment_11684\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-11684\"><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/total_photon_attenuation.png\"><img loading=\"lazy\" class=\"size-medium wp-image-11684 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/total_photon_attenuation-300x217.png\" alt=\"Coeficientes de atenua\u00e7\u00e3o.\" width=\"300\" height=\"217\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/total_photon_attenuation-300x217.png\" \/><\/a><figcaption id=\"caption-attachment-11684\" class=\"wp-caption-text\"><span>Total de se\u00e7\u00f5es transversais de f\u00f3tons.<\/span><br \/>\n<span>Fonte: Wikimedia Commons<\/span><\/figcaption><\/figure>\n<\/div>\n<\/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-accordion su-u-trim\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus su-spoiler-closed\">\n<div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/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>Este artigo \u00e9 baseado na tradu\u00e7\u00e3o autom\u00e1tica do artigo original em ingl\u00eas. Para mais informa\u00e7\u00f5es, consulte o artigo em ingl\u00eas. Voc\u00ea pode nos ajudar. Se voc\u00ea deseja corrigir a tradu\u00e7\u00e3o, envie-a para: translations@nuclear-power.com ou preencha o formul\u00e1rio de tradu\u00e7\u00e3o on-line. Agradecemos sua ajuda, atualizaremos a tradu\u00e7\u00e3o o mais r\u00e1pido poss\u00edvel. Obrigado.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Os raios gama s\u00e3o radia\u00e7\u00e3o eletromagn\u00e9tica. Os principais recursos dos raios gama s\u00e3o resumidos nos seguintes pontos. Caracter\u00edsticas dos raios gama. Dosimetria de Radia\u00e7\u00e3o Caracter\u00edsticas dos Raios Gama \/ Radia\u00e7\u00e3o Os principais recursos dos\u00a0raios gama\u00a0est\u00e3o resumidos nos seguintes pontos: Os raios gama s\u00e3o\u00a0f\u00f3tons de alta energia\u00a0(cerca de 10.000 vezes mais energia que os f\u00f3tons vis\u00edveis), &#8230; <a title=\"Quais s\u00e3o as caracter\u00edsticas dos raios gama \/ radia\u00e7\u00e3o &#8211; defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/quais-sao-as-caracteristicas-dos-raios-gama-radiacao-definicao\/\" aria-label=\"More on Quais s\u00e3o as caracter\u00edsticas dos raios gama \/ radia\u00e7\u00e3o &#8211; defini\u00e7\u00e3o\">Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[51],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Quais s\u00e3o as caracter\u00edsticas dos raios gama \/ radia\u00e7\u00e3o - defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Os raios gama s\u00e3o radia\u00e7\u00e3o eletromagn\u00e9tica. 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