{"id":15288,"date":"2008-09-18T21:59:51","date_gmt":"2008-09-18T21:59:51","guid":{"rendered":"https:\/\/www.institutodeengenharia.org.br\/?p=15288"},"modified":"2008-09-19T17:06:55","modified_gmt":"2008-09-19T17:06:55","slug":"apos-pane-lhc-pode-ter-1a-colisao-de-particulas","status":"publish","type":"post","link":"https:\/\/www.institutodeengenharia.org.br\/site\/2008\/09\/18\/apos-pane-lhc-pode-ter-1a-colisao-de-particulas\/","title":{"rendered":"Ap\u00f3s pane, LHC pode ter 1\u00aa colis\u00e3o de part\u00edculas"},"content":{"rendered":"<p>Depois de uma pane em um dos seus transformadores que o deixou quase uma semana parado, o LHC (Grande Colisor de H\u00e1drons) est\u00e1 pronto para fazer suas primeiras colis\u00f5es experimentais de part\u00edculas no come\u00e7o da semana que vem.\u00a0<\/p>\n<p>O sucesso do primeiro dia de funcionamento da m\u00e1quina, na semana passada, havia dado esperan\u00e7as ao Cern (Organiza\u00e7\u00e3o Europ\u00e9ia de Pesquisa Nuclear), de realizar uma colis\u00e3o entre feixes de pr\u00f3tons j\u00e1 nesta semana. O plano, no entanto, foi frustrado por um defeito em um transformador.\u00a0<\/p>\n<p>O aparelho, de 30 toneladas, era usado no fornecimento da energia que mant\u00e9m o t\u00fanel de 27 km do acelerador de part\u00edculas \u00e0 temperatura de -271\u00baC. Com mais calor do que isso, o LHC perde efici\u00eancia.\u00a0<\/p>\n<p>Ontem, o Cern informou que o transformador j\u00e1 foi substitu\u00eddo e que o t\u00fanel foi novamente resfriado. <br \/>\nAgora, os cientistas devem voltar a disparar feixes de pr\u00f3tons dentro do anel, um de cada vez. O pr\u00f3ximo passo, que segundo um pesquisador ligado ao projeto pode ser dado j\u00e1 neste fim de semana, \u00e9 disparar feixes simult\u00e2neos em dire\u00e7\u00f5es opostas e faz\u00ea-los colidir.\u00a0<\/p>\n<p>Segundo o jornal brit\u00e2nico &#8220;The Times&#8221;, a energia dessas colis\u00f5es ser\u00e1 apenas 6% da energia m\u00e1xima da m\u00e1quina. No entanto, seus resultados ajudar\u00e3o os f\u00edsicos e engenheiros do Cern a calibrar o acelerador para as colis\u00f5es mais energ\u00e9ticas, que devem acontecer a partir do m\u00eas que vem.\u00a0<\/p>\n<p>Essas trombadas entre pr\u00f3tons, registradas pelos detectores &#8211;c\u00e2meras fotogr\u00e1ficas colossais&#8211; fornecer\u00e3o os dados que o experimento busca, como a confirma\u00e7\u00e3o da exist\u00eancia do b\u00f3son de Higgs, part\u00edcula que daria massa a todas as outras. <\/p>\n<p><b>Autor: Folha de S.Paulo<\/b><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Depois de uma pane em um dos seus transformadores que o deixou quase uma semana parado, o LHC (Grande Colisor de H\u00e1drons) est\u00e1 pronto para fazer suas primeiras colis\u00f5es experimentais de part\u00edculas no come\u00e7o da semana que vem.\u00a0 O sucesso do primeiro dia de funcionamento da m\u00e1quina, na semana passada, havia dado esperan\u00e7as ao Cern [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,6],"tags":[],"class_list":{"0":"post-15288","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-energia","7":"category-noticias"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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