{"id":1040,"date":"2017-12-28T15:32:06","date_gmt":"2017-12-28T06:32:06","guid":{"rendered":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1040\/"},"modified":"2017-12-28T15:32:06","modified_gmt":"2017-12-28T06:32:06","slug":"hunting_for_new_physics_with_rare_kaon_decays","status":"publish","type":"seminar","link":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1040\/","title":{"rendered":"Hunting for new physics with rare kaon decays"},"content":{"rendered":"<p>J-PARC KOTO is a dedicated experiment to search for new physics beyond the Standard Model with a rare kaon decay mode, K<sub>L<\/sub> \u00e0 \u03c0<sup>0<\/sup>\u03bd\u03bd. The decay mode is highly suppressed in the Standard Model, and the theoretical error on the branching ratio is also small. Thus if the decay is observed and its measured branching ratio is higher than the prediction, it signifies the existence of physics beyond the Standard Model. Experimentally, it is extremely challenging to look for only two photons without a clue of parent neutral K<sub>L<\/sub>. In the seminar, experimental techniques, and the analysis and detector upgrades will be presented.<\/p>\n","protected":false},"featured_media":0,"template":"","tags":[],"seminar_category":[55],"acf":{"s_now_accepting":true,"s_date_order":"2018-02-21 16:30:00","s_date_end":null,"s_date_text":"","s_text":"Taku Yamanaka","s_place":"KMI Science Symposia (ES635)","s_place_other":"","s_categoryother":"","s_poster":"<form mt:asset-id=\"1801\" class=\"mt-enclosure mt-enclosure-file\" style=\"display: inline;\"><a href=\"\/eng\/seminar\/fae61fb0d33d7146716899197e8e1ff48eaa44cc.pdf\">Colloquim_Yamanaka_20180221.pdf<\/a><\/form>","s_poster2":"<form mt:asset-id=\"1802\" class=\"mt-enclosure mt-enclosure-image\" style=\"display: inline;\"><a href=\"\/eng\/seminar\/15727f0c21aef7bd79bb98b4d59c6141f09d475b.jpg\">Colloquim_Yamanaka_1-20180221.jpg<\/a><\/form>","s_slide":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hunting for new physics with rare kaon decays - KMI - Nagoya University<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1040\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hunting for new physics with rare kaon decays - KMI - Nagoya University\" \/>\n<meta property=\"og:description\" content=\"J-PARC KOTO is a dedicated experiment to search for new physics beyond the Standard Model with a rare kaon decay mode, KL \u00e0 \u03c00\u03bd\u03bd. The decay mode is highly suppressed in the Standard Model, and the theoretical error on the branching ratio is also small. Thus if the decay is observed and its measured branching ratio is higher than the prediction, it signifies the existence of physics beyond the Standard Model. Experimentally, it is extremely challenging to look for only &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1040\/\" \/>\n<meta property=\"og:site_name\" content=\"KMI - Nagoya University\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1040\/\",\"url\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1040\/\",\"name\":\"Hunting for new physics with rare kaon decays - KMI - Nagoya University\",\"isPartOf\":{\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/#website\"},\"datePublished\":\"2017-12-28T06:32:06+00:00\",\"dateModified\":\"2017-12-28T06:32:06+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1040\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1040\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1040\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Seminars\",\"item\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Hunting for new physics with rare kaon decays\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/#website\",\"url\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/\",\"name\":\"KMI - Nagoya University\",\"description\":\"Nagoya University: Kobayashi-Maskawa Institute for the Origin of Particles and the Universe (KMI)\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Hunting for new physics with rare kaon decays - KMI - Nagoya University","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1040\/","og_locale":"en_US","og_type":"article","og_title":"Hunting for new physics with rare kaon decays - KMI - Nagoya University","og_description":"J-PARC KOTO is a dedicated experiment to search for new physics beyond the Standard Model with a rare kaon decay mode, KL \u00e0 \u03c00\u03bd\u03bd. The decay mode is highly suppressed in the Standard Model, and the theoretical error on the branching ratio is also small. Thus if the decay is observed and its measured branching ratio is higher than the prediction, it signifies the existence of physics beyond the Standard Model. 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