{"id":374802,"date":"2025-08-26T11:28:11","date_gmt":"2025-08-26T11:28:11","guid":{"rendered":"https:\/\/www.europesays.com\/uk\/374802\/"},"modified":"2025-08-26T11:28:11","modified_gmt":"2025-08-26T11:28:11","slug":"china-launches-juno-the-worlds-most-powerful-detector-for-ghost-particles","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/uk\/374802\/","title":{"rendered":"China launches Juno, the world\u2019s most powerful detector for \u2018ghost particles\u2019"},"content":{"rendered":"<p datatype=\"p\" data-qa=\"Component-Component\" class=\"e8zc9q40 css-1c6uqr6 ec74h0k1\">China launched the Jiangmen Underground Neutrino Observatory (Juno), the world\u2019s largest detector for elusive \u201cghost particles\u201d called neutrinos, in southern Guangdong province on Tuesday.<\/p>\n<p datatype=\"p\" data-qa=\"Component-Component\" class=\"e8zc9q40 css-1c6uqr6 ec74h0k1\">The massive facility has started collecting data for its mission to track the mysterious particles with no electrical charge, very little mass and moving at near-light speed.<\/p>\n<p datatype=\"p\" data-qa=\"Component-Component\" class=\"e8zc9q40 css-1c6uqr6 ec74h0k1\">The Institute of High Energy Physics of the Chinese Academy of Sciences said Juno had successfully completed filling its 20,000 tonne liquid scintillator detector \u2013 a giant acrylic sphere measuring 35 metres (115 feet) in diameter.<\/p>\n<p datatype=\"p\" data-qa=\"Component-Component\" class=\"e8zc9q40 css-1c6uqr6 ec74h0k1\">The detector is housed at the centre of a 44 metre-deep water pool, located 700 metres below ground. It is meant to measure the mass of different types of neutrinos produced by two nuclear power plants in Taishan and Yangjiang, 53km away.<\/p>\n<p><img decoding=\"async\" alt=\"A view of the central detector of the Jiangmen Underground Neutrino Observatory while under construction, in Guangdong province in November 2024. Photo: Xinhua\" data-qa=\"BaseImage-handleRenderImage-StyledImage\" class=\"e1gf69pb2 css-6ikqhs e445x7d0\" loading=\"lazy\" src=\"https:\/\/www.europesays.com\/uk\/wp-content\/uploads\/2025\/08\/b3a8ad42-1a00-496f-a742-87d931787813_33f2bd77.jpg\" title=\"A view of the central detector of the Jiangmen Underground Neutrino Observatory while under construction, in Guangdong province in November 2024. Photo: Xinhua\"\/>A view of the central detector of the Jiangmen Underground Neutrino Observatory while under construction, in Guangdong province in November 2024. Photo: Xinhua<\/p>\n<p datatype=\"p\" data-qa=\"Component-Component\" class=\"e8zc9q40 css-1c6uqr6 ec74h0k1\">Particle physicist Wang Yifang, who serves as Juno\u2019s spokesman, called the completion of the filling of the Juno detector and starting of data-taking \u201ca historic milestone\u201d. The Chinese Academy of Sciences proposed the international project in 2008.<\/p>\n","protected":false},"excerpt":{"rendered":"China launched the Jiangmen Underground Neutrino Observatory (Juno), the world\u2019s largest detector for elusive \u201cghost particles\u201d called neutrinos,&hellip;\n","protected":false},"author":2,"featured_media":374803,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3845],"tags":[17854,299,36,34922,131039,2199,2122,131037,4741,131040,75187,74,70,131034,16,15,131035,131038,131036],"class_list":{"0":"post-374802","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-physics","8":"tag-chinese-academy-of-sciences","9":"tag-europe","10":"tag-france","11":"tag-guangdong-province","12":"tag-institute-of-high-energy-physics","13":"tag-italy","14":"tag-japan","15":"tag-jiangmen-underground-neutrino-observatory","16":"tag-juno","17":"tag-ma-xiaoyan","18":"tag-neutrinos","19":"tag-physics","20":"tag-science","21":"tag-taishan","22":"tag-uk","23":"tag-united-kingdom","24":"tag-university-of-milan","25":"tag-wang-yifang","26":"tag-yangjiang"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@uk\/115094834966732217","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts\/374802","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/comments?post=374802"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts\/374802\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/media\/374803"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/media?parent=374802"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/categories?post=374802"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/tags?post=374802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}