{"id":8906,"date":"2025-05-12T14:54:14","date_gmt":"2025-05-12T17:54:14","guid":{"rendered":"https:\/\/fenati.org.br\/?p=8906"},"modified":"2025-05-13T11:03:11","modified_gmt":"2025-05-13T14:03:11","slug":"cientistas-chumbo-ouro-acelerador-particulas","status":"publish","type":"post","link":"https:\/\/homolog.fenati.org.br\/en\/cientistas-chumbo-ouro-acelerador-particulas\/","title":{"rendered":"Cientistas transformam chumbo em ouro com acelerador de part\u00edculas"},"content":{"rendered":"

Chumbo em ouro –<\/strong> Pesquisadores do laborat\u00f3rio europeu de f\u00edsica de part\u00edculas (CERN<\/a>), na Su\u00ed\u00e7a, conseguiram realizar uma fa\u00e7anha que durante s\u00e9culos foi o sonho dos alquimistas: transformar chumbo em ouro. O experimento foi conduzido em um acelerador de part\u00edculas na Europa, onde n\u00facleos de chumbo colidiram a velocidades pr\u00f3ximas \u00e0 da luz.<\/p>\n

A transmuta\u00e7\u00e3o, ainda que extremamente breve, foi considerada um marco pela comunidade cient\u00edfica. Durante o processo, o n\u00facleo do chumbo acabou ejetando tr\u00eas pr\u00f3tons. Ou seja, restando apenas 79 pr\u00f3tons. Com isso, ele se tornou ouro. A diferen\u00e7a de pr\u00f3tons \u00e9 o principal desafio para converter elementos \u2014 o chumbo possui 82 pr\u00f3tons, enquanto o ouro, 79.<\/p>\n

LEIA: Brasil fecha acordos com gigantes chinesas em produ\u00e7\u00e3o de chips e entregas<\/strong><\/a><\/p>\n

Para alcan\u00e7ar essa transforma\u00e7\u00e3o, os cientistas utilizaram feixes de chumbo lan\u00e7ados uns contra os outros dentro do acelerador. A energia liberada na colis\u00e3o fez com que os n\u00facleos perdessem pr\u00f3tons, at\u00e9 adquirirem a composi\u00e7\u00e3o do ouro. A dura\u00e7\u00e3o da transforma\u00e7\u00e3o, por\u00e9m, foi m\u00ednima, e durou apenas um microssegundo, muito mais r\u00e1pido que um piscar de olhos e imposs\u00edvel de se perceber a olho nu.<\/p>\n

O experimento foi repetido diversas vezes entre os anos de 2015 e 2018. Nesse per\u00edodo, foram produzidos aproximadamente 86 bilh\u00f5es de n\u00facleos de ouro. Apesar do n\u00famero impressionante, a massa obtida foi \u00ednfima, apenas 29 trilion\u00e9simos de grama.<\/p>\n

Al\u00e9m disso, a maioria desses \u00e1tomos era inst\u00e1vel e teve vida curta, durando cerca de um microssegundo antes de colidir com os equipamentos ou se fragmentar em outras part\u00edculas, deixando de ser ouro.<\/p>\n

(Com informa\u00e7\u00f5es de g1)<\/strong><\/em>
\n(Foto: Reprodu\u00e7\u00e3o\/Freepik\/stockgiu)<\/strong><\/em><\/p>","protected":false},"excerpt":{"rendered":"

Experimento provocou colis\u00f5es entre n\u00facleos de chumbo a velocidades pr\u00f3ximas \u00e0 da luz<\/p>","protected":false},"author":10,"featured_media":8907,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[13],"class_list":["post-8906","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias","tag-sindical"],"yoast_head":"\nCientistas transformam chumbo em ouro com acelerador de part\u00edculas - FENATI<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cientistas transformam chumbo em ouro com acelerador de part\u00edculas - FENATI\" \/>\n<meta property=\"og:description\" content=\"Experimento provocou colis\u00f5es entre n\u00facleos de chumbo a velocidades pr\u00f3ximas \u00e0 da luz\" \/>\n<meta property=\"og:url\" content=\"https:\/\/homolog.fenati.org.br\/en\/cientistas-chumbo-ouro-acelerador-particulas\/\" \/>\n<meta property=\"og:site_name\" content=\"FENATI\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/feittinf\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-12T17:54:14+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-13T14:03:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/homolog.fenati.org.br\/wp-content\/uploads\/2025\/05\/design-sem-nome-6.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Julia Stoever\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@FederacaoTiBR\" \/>\n<meta name=\"twitter:site\" content=\"@FederacaoTiBR\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Julia Stoever\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/homolog.fenati.org.br\\\/cientistas-chumbo-ouro-acelerador-particulas\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/homolog.fenati.org.br\\\/cientistas-chumbo-ouro-acelerador-particulas\\\/\"},\"author\":{\"name\":\"Julia Stoever\",\"@id\":\"https:\\\/\\\/homolog.fenati.org.br\\\/#\\\/schema\\\/person\\\/5b0800dda1ad08bac67cec5eacddc965\"},\"headline\":\"Cientistas transformam chumbo em ouro com acelerador de part\u00edculas\",\"datePublished\":\"2025-05-12T17:54:14+00:00\",\"dateModified\":\"2025-05-13T14:03:11+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/homolog.fenati.org.br\\\/cientistas-chumbo-ouro-acelerador-particulas\\\/\"},\"wordCount\":308,\"publisher\":{\"@id\":\"https:\\\/\\\/homolog.fenati.org.br\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/homolog.fenati.org.br\\\/cientistas-chumbo-ouro-acelerador-particulas\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/homolog.fenati.org.br\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/design-sem-nome-6.jpg\",\"keywords\":[\"sindical\"],\"articleSection\":[\"Not\u00edcias\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/homolog.fenati.org.br\\\/cientistas-chumbo-ouro-acelerador-particulas\\\/\",\"url\":\"https:\\\/\\\/homolog.fenati.org.br\\\/cientistas-chumbo-ouro-acelerador-particulas\\\/\",\"name\":\"Cientistas transformam chumbo em ouro com acelerador de part\u00edculas - 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