{"id":2881,"date":"2017-08-10T11:55:43","date_gmt":"2017-08-10T09:55:43","guid":{"rendered":"https:\/\/infnimport.sitebysite.it\/2017\/08\/10\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/"},"modified":"2025-01-12T16:38:32","modified_gmt":"2025-01-12T15:38:32","slug":"tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations","status":"publish","type":"post","link":"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/","title":{"rendered":"T2K: GROWING EVIDENCE OF THE ASYMMETRY BETWEEN NEUTRINO AND ANTINEUTRINO OSCILLATIONS"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\" alignleft size-full wp-image-2874\" src=\"https:\/\/infnimport.sitebysite.it\/wp-content\/uploads\/2017\/08\/Super-Kamiokande.jpg\" alt=\"Super_kamiokande\" width=\"250\" height=\"167\" style=\"margin: 5px; float: left;\" \/> A year after announcing their first findings, the T2K collaboration, of which the INFN is part, has produced new evidence of the asymmetry between neutrino and antineutrino oscillations. At the ICHEP 2016 conference, the T2K collaboration presented the first hints of a possible asymmetry between the oscillations of neutrinos and antineutrinos. Their findings suggested a difference in the oscillation probabilities of neutrinos and their antimatter particles. Although there were not enough data to speak of &#8220;discovery&#8221;, their findings aroused great interest among the international scientific community. Now, the new findings, presented on 4 August at the KEK laboratory in Japan, based on twice the neutrino data compared to the previous results, not only confirm but indeed strengthen the hypothesis announced last summer: the probability of statistical fluctuation being at the origin of the effect measured by T2K is now less than 1 in 20, and it appears increasingly likely that we are on the brink of an important discovery.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A year after announcing their first findings, the T2K collaboration, of which the INFN is part, has produced new evidence&#8230;<\/p>\n","protected":false},"author":2,"featured_media":4255,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[297],"tags":[],"class_list":["post-2881","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>T2K: GROWING EVIDENCE OF THE ASYMMETRY BETWEEN NEUTRINO AND ANTINEUTRINO OSCILLATIONS - Istituto Nazionale di Fisica Nucleare<\/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=\"T2K: GROWING EVIDENCE OF THE ASYMMETRY BETWEEN NEUTRINO AND ANTINEUTRINO OSCILLATIONS - Istituto Nazionale di Fisica Nucleare\" \/>\n<meta property=\"og:description\" content=\"A year after announcing their first findings, the T2K collaboration, of which the INFN is part, has produced new evidence...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/\" \/>\n<meta property=\"og:site_name\" content=\"Istituto Nazionale di Fisica Nucleare\" \/>\n<meta property=\"article:published_time\" content=\"2017-08-10T09:55:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-01-12T15:38:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/infn.sitebysite.it\/wp-content\/uploads\/2017\/08\/Super-Kamiokande.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"960\" \/>\n\t<meta property=\"og:image:height\" content=\"643\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Francesca Cuicchio\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Francesca Cuicchio\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/\",\"url\":\"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/\",\"name\":\"T2K: GROWING EVIDENCE OF THE ASYMMETRY BETWEEN NEUTRINO AND ANTINEUTRINO OSCILLATIONS - Istituto Nazionale di Fisica Nucleare\",\"isPartOf\":{\"@id\":\"https:\/\/infn.sitebysite.it\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/infn.sitebysite.it\/wp-content\/uploads\/2017\/08\/Super-Kamiokande.jpg\",\"datePublished\":\"2017-08-10T09:55:43+00:00\",\"dateModified\":\"2025-01-12T15:38:32+00:00\",\"author\":{\"@id\":\"https:\/\/infn.sitebysite.it\/en\/#\/schema\/person\/8f55fc1d8da28e55105c0594c686bed3\"},\"breadcrumb\":{\"@id\":\"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/#primaryimage\",\"url\":\"https:\/\/infn.sitebysite.it\/wp-content\/uploads\/2017\/08\/Super-Kamiokande.jpg\",\"contentUrl\":\"https:\/\/infn.sitebysite.it\/wp-content\/uploads\/2017\/08\/Super-Kamiokande.jpg\",\"width\":960,\"height\":643,\"caption\":\"Super_kamiokande\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/infn.sitebysite.it\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"NEWS\",\"item\":\"https:\/\/infn.sitebysite.it\/en\/category\/news-en\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"T2K: GROWING EVIDENCE OF THE ASYMMETRY BETWEEN NEUTRINO AND ANTINEUTRINO OSCILLATIONS\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/infn.sitebysite.it\/en\/#website\",\"url\":\"https:\/\/infn.sitebysite.it\/en\/\",\"name\":\"Istituto Nazionale di Fisica Nucleare\",\"description\":\"\",\"alternateName\":\"Istituto Nazionale di Fisica Nucleare\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/infn.sitebysite.it\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/infn.sitebysite.it\/en\/#\/schema\/person\/8f55fc1d8da28e55105c0594c686bed3\",\"name\":\"Francesca Cuicchio\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/infn.sitebysite.it\/en\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/30494b876cd4dd450921056cb8cc8a3c16a965ff13ac4c58eccbe0e256448548?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/30494b876cd4dd450921056cb8cc8a3c16a965ff13ac4c58eccbe0e256448548?s=96&d=mm&r=g\",\"caption\":\"Francesca Cuicchio\"},\"url\":\"https:\/\/infn.sitebysite.it\/en\/author\/francesca\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"T2K: GROWING EVIDENCE OF THE ASYMMETRY BETWEEN NEUTRINO AND ANTINEUTRINO OSCILLATIONS - Istituto Nazionale di Fisica Nucleare","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"en_US","og_type":"article","og_title":"T2K: GROWING EVIDENCE OF THE ASYMMETRY BETWEEN NEUTRINO AND ANTINEUTRINO OSCILLATIONS - Istituto Nazionale di Fisica Nucleare","og_description":"A year after announcing their first findings, the T2K collaboration, of which the INFN is part, has produced new evidence...","og_url":"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/","og_site_name":"Istituto Nazionale di Fisica Nucleare","article_published_time":"2017-08-10T09:55:43+00:00","article_modified_time":"2025-01-12T15:38:32+00:00","og_image":[{"width":960,"height":643,"url":"https:\/\/infn.sitebysite.it\/wp-content\/uploads\/2017\/08\/Super-Kamiokande.jpg","type":"image\/jpeg"}],"author":"Francesca Cuicchio","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Francesca Cuicchio","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/","url":"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/","name":"T2K: GROWING EVIDENCE OF THE ASYMMETRY BETWEEN NEUTRINO AND ANTINEUTRINO OSCILLATIONS - Istituto Nazionale di Fisica Nucleare","isPartOf":{"@id":"https:\/\/infn.sitebysite.it\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/#primaryimage"},"image":{"@id":"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/#primaryimage"},"thumbnailUrl":"https:\/\/infn.sitebysite.it\/wp-content\/uploads\/2017\/08\/Super-Kamiokande.jpg","datePublished":"2017-08-10T09:55:43+00:00","dateModified":"2025-01-12T15:38:32+00:00","author":{"@id":"https:\/\/infn.sitebysite.it\/en\/#\/schema\/person\/8f55fc1d8da28e55105c0594c686bed3"},"breadcrumb":{"@id":"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/#primaryimage","url":"https:\/\/infn.sitebysite.it\/wp-content\/uploads\/2017\/08\/Super-Kamiokande.jpg","contentUrl":"https:\/\/infn.sitebysite.it\/wp-content\/uploads\/2017\/08\/Super-Kamiokande.jpg","width":960,"height":643,"caption":"Super_kamiokande"},{"@type":"BreadcrumbList","@id":"https:\/\/infn.sitebysite.it\/en\/tt2k-growing-evidence-of-the-asymmetry-between-neutrino-and-antineutrino-oscillations\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/infn.sitebysite.it\/en\/"},{"@type":"ListItem","position":2,"name":"NEWS","item":"https:\/\/infn.sitebysite.it\/en\/category\/news-en\/"},{"@type":"ListItem","position":3,"name":"T2K: GROWING EVIDENCE OF THE ASYMMETRY BETWEEN NEUTRINO AND ANTINEUTRINO OSCILLATIONS"}]},{"@type":"WebSite","@id":"https:\/\/infn.sitebysite.it\/en\/#website","url":"https:\/\/infn.sitebysite.it\/en\/","name":"Istituto Nazionale di Fisica Nucleare","description":"","alternateName":"Istituto Nazionale di Fisica Nucleare","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/infn.sitebysite.it\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/infn.sitebysite.it\/en\/#\/schema\/person\/8f55fc1d8da28e55105c0594c686bed3","name":"Francesca Cuicchio","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/infn.sitebysite.it\/en\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/30494b876cd4dd450921056cb8cc8a3c16a965ff13ac4c58eccbe0e256448548?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/30494b876cd4dd450921056cb8cc8a3c16a965ff13ac4c58eccbe0e256448548?s=96&d=mm&r=g","caption":"Francesca Cuicchio"},"url":"https:\/\/infn.sitebysite.it\/en\/author\/francesca\/"}]}},"publishpress_future_action":{"enabled":false,"date":"2026-05-20 23:48:07","action":"change-status","newStatus":"draft","terms":[],"taxonomy":"category"},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/infn.sitebysite.it\/en\/wp-json\/wp\/v2\/posts\/2881","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/infn.sitebysite.it\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/infn.sitebysite.it\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/infn.sitebysite.it\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/infn.sitebysite.it\/en\/wp-json\/wp\/v2\/comments?post=2881"}],"version-history":[{"count":1,"href":"https:\/\/infn.sitebysite.it\/en\/wp-json\/wp\/v2\/posts\/2881\/revisions"}],"predecessor-version":[{"id":23839,"href":"https:\/\/infn.sitebysite.it\/en\/wp-json\/wp\/v2\/posts\/2881\/revisions\/23839"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/infn.sitebysite.it\/en\/wp-json\/wp\/v2\/media\/4255"}],"wp:attachment":[{"href":"https:\/\/infn.sitebysite.it\/en\/wp-json\/wp\/v2\/media?parent=2881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/infn.sitebysite.it\/en\/wp-json\/wp\/v2\/categories?post=2881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/infn.sitebysite.it\/en\/wp-json\/wp\/v2\/tags?post=2881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}