{"id":17370,"date":"2020-06-12T08:15:42","date_gmt":"2020-06-12T08:15:42","guid":{"rendered":"https:\/\/www.radiation-dosimetry.org\/o-que-e-espectro-de-particulas-beta-definicao\/"},"modified":"2020-07-20T06:25:53","modified_gmt":"2020-07-20T06:25:53","slug":"o-que-e-espectro-de-particulas-beta-definicao","status":"publish","type":"post","link":"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-espectro-de-particulas-beta-definicao\/","title":{"rendered":"O que \u00e9 espectro de part\u00edculas beta &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"entry-content\">\n<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-u-clearfix su-u-trim\">Esse espectro caracter\u00edstico \u00e9 causado pelo fato de que um neutrino ou um antineutrino \u00e9 emitido com a emiss\u00e3o de part\u00edculas beta.\u00a0Dosimetria de Radia\u00e7\u00e3o<\/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<h2><\/h2>\n<h2>Espectro de part\u00edculas beta<\/h2>\n<figure id=\"attachment_11708\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-11708\"><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/beta-decay-spectrum.gif\"><img loading=\"lazy\" class=\"wp-image-11708 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/beta-decay-spectrum.gif\" alt=\"Espectro de energia do decaimento beta\" width=\"300\" height=\"239\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/beta-decay-spectrum.gif\" \/><\/a><figcaption id=\"caption-attachment-11708\" class=\"wp-caption-text\">O formato dessa curva de energia depende de qual fra\u00e7\u00e3o da energia da rea\u00e7\u00e3o (valor Q &#8211; a quantidade de energia liberada pela rea\u00e7\u00e3o) \u00e9 transportada pelo el\u00e9tron ou neutrino.<\/figcaption><\/figure>\n<p>No processo de decaimento beta, um el\u00e9tron ou um p\u00f3sitron \u00e9 emitido.\u00a0Essa emiss\u00e3o \u00e9 acompanhada pela emiss\u00e3o de\u00a0<strong>antineutrino<\/strong>\u00a0(\u03b2-decaimento) ou\u00a0<strong>neutrino<\/strong>\u00a0(\u03b2 + decaimento), que compartilha energia e momento do decaimento.\u00a0A emiss\u00e3o beta tem um espectro caracter\u00edstico.\u00a0Esse espectro caracter\u00edstico \u00e9 causado pelo fato de que um neutrino ou um antineutrino \u00e9 emitido com a emiss\u00e3o de part\u00edculas beta.\u00a0O formato dessa curva de energia depende de qual fra\u00e7\u00e3o da energia da rea\u00e7\u00e3o (\u00a0<strong>valor Q<\/strong>\u00a0&#8211; a quantidade de energia liberada pela rea\u00e7\u00e3o) \u00e9 transportada pela part\u00edcula maci\u00e7a.\u00a0Part\u00edculas beta, portanto, pode ser emitida com qualquer energia cin\u00e9tica que varia de\u00a0<strong>0 a Q<\/strong>\u00a0.\u00a0Em 1934, Enrico Fermi havia desenvolvido uma\u00a0<strong>teoria Fermi de decaimento beta<\/strong>, que previu o formato dessa curva de energia.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\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","protected":false},"excerpt":{"rendered":"<p>Esse espectro caracter\u00edstico \u00e9 causado pelo fato de que um neutrino ou um antineutrino \u00e9 emitido com a emiss\u00e3o de part\u00edculas beta.\u00a0Dosimetria de Radia\u00e7\u00e3o Espectro de part\u00edculas beta O formato dessa curva de energia depende de qual fra\u00e7\u00e3o da energia da rea\u00e7\u00e3o (valor Q &#8211; a quantidade de energia liberada pela rea\u00e7\u00e3o) \u00e9 transportada pelo &#8230; <a title=\"O que \u00e9 espectro de part\u00edculas beta &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-espectro-de-particulas-beta-definicao\/\" aria-label=\"More on O que \u00e9 espectro de part\u00edculas beta &#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>O que \u00e9 espectro de part\u00edculas beta - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Esse espectro caracter\u00edstico \u00e9 causado pelo fato de que um neutrino ou um antineutrino \u00e9 emitido com a emiss\u00e3o de part\u00edculas beta. 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