{"id":18262,"date":"2020-06-27T20:01:09","date_gmt":"2020-06-27T20:01:09","guid":{"rendered":"https:\/\/www.radiation-dosimetry.org\/o-que-e-secao-transversal-da-dispersao-de-compton-definicao\/"},"modified":"2020-07-24T10:47:35","modified_gmt":"2020-07-24T10:47:35","slug":"o-que-e-secao-transversal-da-dispersao-de-compton-definicao","status":"publish","type":"post","link":"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-secao-transversal-da-dispersao-de-compton-definicao\/","title":{"rendered":"O que \u00e9 se\u00e7\u00e3o transversal da dispers\u00e3o de Compton &#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\">A distribui\u00e7\u00e3o angular (se\u00e7\u00f5es transversais) de f\u00f3tons espalhados a partir de um \u00fanico el\u00e9tron livre \u00e9 descrita pela f\u00f3rmula de Klein-Nishina.\u00a0Se\u00e7\u00e3o transversal da dispers\u00e3o de Compton<\/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>Efeito Compton<\/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\">\n<div class=\"su-spacer\"><\/div>\n<h2>Dispers\u00e3o de Compton &#8211; se\u00e7\u00f5es transversais<\/h2>\n<p>A probabilidade de espalhamento de Compton por intera\u00e7\u00e3o com um \u00e1tomo aumenta linearmente com o n\u00famero at\u00f4mico Z, porque depende do n\u00famero de el\u00e9trons dispon\u00edveis para espalhamento no \u00e1tomo alvo.\u00a0<strong>A distribui\u00e7\u00e3o angular<\/strong>\u00a0de f\u00f3tons dispersos a partir de um \u00fanico el\u00e9tron livre \u00e9 descrita pela\u00a0<strong>f\u00f3rmula de Klein-Nishina<\/strong>\u00a0:<strong><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Klein-Nishina-Formula.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-15035 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Klein-Nishina-Formula.png\" alt=\"A distribui\u00e7\u00e3o angular de f\u00f3tons dispersos a partir de um \u00fanico el\u00e9tron livre \u00e9 descrita pela f\u00f3rmula de Klein-Nishina\" width=\"547\" height=\"85\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Klein-Nishina-Formula.png\" \/><\/a><\/strong>onde \u03b5 = E\u00a0<sub>0<\/sub>\u00a0\/ m\u00a0<sub>e<\/sub>\u00a0c\u00a0<sup>2<\/sup>\u00a0e r\u00a0<sub>0<\/sub>\u00a0\u00e9 o &#8220;raio cl\u00e1ssico do el\u00e9tron&#8221; igual a cerca de 2,8 x 10\u00a0<sup>-13<\/sup>\u00a0cm.\u00a0A f\u00f3rmula fornece a probabilidade de espalhar um f\u00f3ton no elemento de \u00e2ngulo s\u00f3lido d\u03a9 = 2\u03c0 sin \u0398 d\u0398 quando a energia incidente \u00e9 E\u00a0<sub>0<\/sub>\u00a0.<\/p>\n<figure id=\"attachment_11828\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-11828\"><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Compton-scattering-experiment.gif\"><img loading=\"lazy\" class=\"size-full wp-image-11831 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Compton-scattering-experiment.gif\" alt=\"Experi\u00eancia de espalhamento de Compton\" width=\"417\" height=\"544\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Compton-scattering-experiment.gif\" \/><\/a><figcaption id=\"caption-attachment-11828\" class=\"wp-caption-text\">A mudan\u00e7a no comprimento de onda dessa dispers\u00e3o depende apenas do \u00e2ngulo de dispers\u00e3o de uma determinada part\u00edcula alvo.<br \/>\nFonte: hyperphysics.phy-astr.gsu.edu\/<\/figcaption><\/figure>\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<p><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Compton-scattering.png\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-11686 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Compton-scattering-300x213.png\" alt=\"Efeito Compton\" width=\"300\" height=\"213\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Compton-scattering-300x213.png\" \/><\/a>Se\u00e7\u00e3o transversal da dispers\u00e3o de f\u00f3tons por el\u00e9trons por el\u00e9trons at\u00f4micos.<a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Compton_angle_distribution.jpg\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-11831 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Compton_angle_distribution-300x209.jpg\" alt=\"Espalhamento de Compton - distribui\u00e7\u00e3o dos \u00e2ngulos\" width=\"300\" height=\"209\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Compton_angle_distribution-300x209.jpg\" \/><\/a>Energias de um f\u00f3ton a 500 keV e um el\u00e9tron ap\u00f3s a dispers\u00e3o de Compton.<\/p>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<\/div>\n<\/div>\n<h2><\/h2>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\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>A distribui\u00e7\u00e3o angular (se\u00e7\u00f5es transversais) de f\u00f3tons espalhados a partir de um \u00fanico el\u00e9tron livre \u00e9 descrita pela f\u00f3rmula de Klein-Nishina.\u00a0Se\u00e7\u00e3o transversal da dispers\u00e3o de Compton Efeito Compton Dispers\u00e3o de Compton &#8211; se\u00e7\u00f5es transversais A probabilidade de espalhamento de Compton por intera\u00e7\u00e3o com um \u00e1tomo aumenta linearmente com o n\u00famero at\u00f4mico Z, porque depende do &#8230; <a title=\"O que \u00e9 se\u00e7\u00e3o transversal da dispers\u00e3o de Compton &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-secao-transversal-da-dispersao-de-compton-definicao\/\" aria-label=\"More on O que \u00e9 se\u00e7\u00e3o transversal da dispers\u00e3o de Compton &#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 se\u00e7\u00e3o transversal da dispers\u00e3o de Compton - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"A distribui\u00e7\u00e3o angular (se\u00e7\u00f5es transversais) de f\u00f3tons espalhados a partir de um \u00fanico el\u00e9tron livre \u00e9 descrita pela f\u00f3rmula de Klein-Nishina. 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