{"id":17587,"date":"2020-06-15T21:31:35","date_gmt":"2020-06-15T21:31:35","guid":{"rendered":"https:\/\/www.radiation-dosimetry.org\/o-que-e-o-detector-de-tira-de-silicone-definicao\/"},"modified":"2020-07-21T11:44:56","modified_gmt":"2020-07-21T11:44:56","slug":"o-que-e-o-detector-de-tira-de-silicone-definicao","status":"publish","type":"post","link":"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-o-detector-de-tira-de-silicone-definicao\/","title":{"rendered":"O que \u00e9 o Detector de tira de silicone &#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 detectores de tira de sil\u00edcio s\u00e3o usados \u200b\u200bem s\u00e9rie (assim como os planos de MWPCs) para determinar as trajet\u00f3rias de part\u00edculas carregadas com precis\u00e3o de posi\u00e7\u00e3o da ordem de v\u00e1rios \u03bcm na dire\u00e7\u00e3o transversal.\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<figure id=\"attachment_26115\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-26115\"><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/silicon-strip-detector-semiconductors.png\"><img loading=\"lazy\" class=\"size-medium wp-image-26115 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/silicon-strip-detector-semiconductors-300x197.png\" alt=\"detector de tiras de silicone - semicondutores\" width=\"300\" height=\"197\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/silicon-strip-detector-semiconductors-300x197.png\" \/><\/a><figcaption id=\"caption-attachment-26115\" class=\"wp-caption-text\">Detector de tira de sil\u00edcio Fonte: micronsemiconductor.co.uk<\/figcaption><\/figure>\n<p><strong>Os detectores \u00e0 base de silicone<\/strong>\u00a0s\u00e3o muito bons para rastrear part\u00edculas carregadas.\u00a0Um detector de tiras de sil\u00edcio \u00e9 um arranjo de implantes em forma de tiras que atuam como eletrodos coletores de carga.<\/p>\n<p><strong>Os detectores de fita de silicone com \u00e1rea de<\/strong>\u00a05 x 5 cm\u00a0<sup>2<\/sup>\u00a0s\u00e3o bastante comuns e s\u00e3o usados \u200b\u200bem s\u00e9rie (assim como os planos de\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/radiation-detection\/gaseous-ionization-detector\/proportional-counter-proportional-detector\/multi-wire-proportional-chamber-mwpc\/\">MWPCs)<\/a>) para determinar as trajet\u00f3rias de part\u00edculas carregadas com precis\u00e3o de posi\u00e7\u00e3o da ordem de v\u00e1rios \u03bcm na dire\u00e7\u00e3o transversal.\u00a0Colocados em uma bolacha de sil\u00edcio com baixa dopagem e totalmente empobrecida, esses implantes formam uma matriz unidimensional de diodos.\u00a0Ao conectar cada uma das tiras metalizadas a um amplificador sens\u00edvel \u00e0 carga, \u00e9 constru\u00eddo um detector sens\u00edvel \u00e0 posi\u00e7\u00e3o.\u00a0\u00c9 poss\u00edvel obter medi\u00e7\u00f5es de posi\u00e7\u00e3o bidimensionais aplicando uma faixa adicional, como doping na parte traseira da bolacha, usando uma tecnologia de dupla face.\u00a0Esses dispositivos podem ser usados \u200b\u200bpara medir pequenos par\u00e2metros de impacto e, assim, determinar se alguma part\u00edcula carregada se originou de uma colis\u00e3o prim\u00e1ria ou foi o produto de decomposi\u00e7\u00e3o de uma part\u00edcula prim\u00e1ria que percorreu uma pequena dist\u00e2ncia da intera\u00e7\u00e3o original e depois se deteriorou.<\/p>\n<p><strong>Os detectores de tira de sil\u00edcio<\/strong>\u00a0constituem uma parte substancial do sistema de detec\u00e7\u00e3o no LHC no CERN.\u00a0A maioria dos detectores de part\u00edculas de sil\u00edcio trabalha, em princ\u00edpio, dopando tiras estreitas (geralmente com cerca de 100 micr\u00f4metros de largura) de sil\u00edcio para transform\u00e1-las em diodos, que s\u00e3o ent\u00e3o polarizados inversamente.\u00a0\u00c0 medida que as part\u00edculas carregadas passam por essas tiras, elas causam pequenas correntes de ioniza\u00e7\u00e3o que podem ser detectadas e medidas.\u00a0Organizar milhares desses detectores em torno de um ponto de colis\u00e3o em um acelerador de part\u00edculas pode fornecer uma imagem precisa de quais caminhos as part\u00edculas seguem.<\/p>\n<p>Por exemplo, o Sistema de rastreamento interno (ITS) de\u00a0<strong>uma experi\u00eancia de colisor de \u00edons grandes (ALICE)<\/strong>\u00a0cont\u00e9m tr\u00eas camadas de detectores baseados em sil\u00edcio:<\/p>\n<ul>\n<li>Detector de pixels de silicone (SPD)<\/li>\n<li>Detector de deriva de sil\u00edcio (SDD)<\/li>\n<li>Detector de tira de silicone (SSD)<\/li>\n<\/ul>\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-spoiler su-spoiler-style-default su-spoiler-icon-arrow\" data-anchor=\"References\">\n<div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><\/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<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Os detectores de tira de sil\u00edcio s\u00e3o usados \u200b\u200bem s\u00e9rie (assim como os planos de MWPCs) para determinar as trajet\u00f3rias de part\u00edculas carregadas com precis\u00e3o de posi\u00e7\u00e3o da ordem de v\u00e1rios \u03bcm na dire\u00e7\u00e3o transversal.\u00a0Dosimetria de Radia\u00e7\u00e3o Detector de tira de sil\u00edcio Fonte: micronsemiconductor.co.uk Os detectores \u00e0 base de silicone\u00a0s\u00e3o muito bons para rastrear part\u00edculas &#8230; <a title=\"O que \u00e9 o Detector de tira de silicone &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-o-detector-de-tira-de-silicone-definicao\/\" aria-label=\"More on O que \u00e9 o Detector de tira de silicone &#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 o Detector de tira de silicone - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Os detectores de tira de sil\u00edcio s\u00e3o usados em s\u00e9rie (assim como os planos de MWPCs) para determinar as trajet\u00f3rias de part\u00edculas carregadas com precis\u00e3o de posi\u00e7\u00e3o da ordem de v\u00e1rios \u03bcm na dire\u00e7\u00e3o transversal. 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