{"id":1892,"date":"2020-05-12T11:49:24","date_gmt":"2020-05-12T02:49:24","guid":{"rendered":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/?post_type=seminar&#038;p=1892"},"modified":"2021-07-13T14:49:29","modified_gmt":"2021-07-13T05:49:29","slug":"new-physics-implications-of-recent-data-on-k-to-pi-nu-nu-searches","status":"publish","type":"seminar","link":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1892\/","title":{"rendered":"New physics implications of recent data on K to pi nu nu searches"},"content":{"rendered":"<p>The KOTO experiment at J-PARC recently showed an unexpected data on KL to pi0 nu nu search. This channel is significantly suppressed in the standard model, and have not been measured yet. Besides, this channel is sensitive to CP violation of new physics. If the data is confirmed as signals, it strongly implies physics beyond the standard model. In this talk, I will introduce several new physics interpretations of the data. We have studied several new physics explanations in the context of a generalized new physics Grossman-Nir bound coming from the K+ to pi+ nu nu decay, which is bounded by data from the E949 and the NA62 experiments.<\/p>\n<p>Reference:<br \/>\narXiv:1909.11111, Phys. Rev. Lett. 124, 071801 (2020)<\/p>\n<p>&nbsp;<\/p>\n<p>Slides: <a href=\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1892\/kitahara_kmi\/\" rel=\"attachment wp-att-1999\">Kitahara_KMI<\/a><\/p>\n","protected":false},"featured_media":0,"template":"","tags":[],"seminar_category":[58],"acf":{"s_now_accepting":true,"s_date_order":"2020-05-20 17:30:00","s_date_end":null,"s_date_text":"","s_text":"Teppei Kitahara","s_place":"https:\/\/zoom.us\/j\/91949796803","s_place_other":"","s_categoryother":"","s_poster":"","s_poster2":"","s_slide":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>New physics implications of recent data on K to pi nu nu searches - 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\/1892\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New physics implications of recent data on K to pi nu nu searches - KMI - Nagoya University\" \/>\n<meta property=\"og:description\" content=\"The KOTO experiment at J-PARC recently showed an unexpected data on KL to pi0 nu nu search. This channel is significantly suppressed in the standard model, and have not been measured yet. Besides, this channel is sensitive to CP violation of new physics. If the data is confirmed as signals, it strongly implies physics beyond the standard model. In this talk, I will introduce several new physics interpretations of the data. We have studied several new physics explanations in the &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1892\/\" \/>\n<meta property=\"og:site_name\" content=\"KMI - Nagoya University\" \/>\n<meta property=\"article:modified_time\" content=\"2021-07-13T05:49:29+00:00\" \/>\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\/1892\/\",\"url\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1892\/\",\"name\":\"New physics implications of recent data on K to pi nu nu searches - KMI - Nagoya University\",\"isPartOf\":{\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/#website\"},\"datePublished\":\"2020-05-12T02:49:24+00:00\",\"dateModified\":\"2021-07-13T05:49:29+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1892\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1892\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1892\/#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\":\"New physics implications of recent data on K to pi nu nu searches\"}]},{\"@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":"New physics implications of recent data on K to pi nu nu searches - 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\/1892\/","og_locale":"en_US","og_type":"article","og_title":"New physics implications of recent data on K to pi nu nu searches - KMI - Nagoya University","og_description":"The KOTO experiment at J-PARC recently showed an unexpected data on KL to pi0 nu nu search. This channel is significantly suppressed in the standard model, and have not been measured yet. Besides, this channel is sensitive to CP violation of new physics. If the data is confirmed as signals, it strongly implies physics beyond the standard model. In this talk, I will introduce several new physics interpretations of the data. We have studied several new physics explanations in the &hellip;","og_url":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1892\/","og_site_name":"KMI - Nagoya University","article_modified_time":"2021-07-13T05:49:29+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1892\/","url":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1892\/","name":"New physics implications of recent data on K to pi nu nu searches - KMI - Nagoya University","isPartOf":{"@id":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/#website"},"datePublished":"2020-05-12T02:49:24+00:00","dateModified":"2021-07-13T05:49:29+00:00","breadcrumb":{"@id":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1892\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1892\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1892\/#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":"New physics implications of recent data on K to pi nu nu searches"}]},{"@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"}]}},"_links":{"self":[{"href":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/wp-json\/wp\/v2\/seminar\/1892"}],"collection":[{"href":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/wp-json\/wp\/v2\/seminar"}],"about":[{"href":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/wp-json\/wp\/v2\/types\/seminar"}],"wp:attachment":[{"href":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/wp-json\/wp\/v2\/media?parent=1892"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/wp-json\/wp\/v2\/tags?post=1892"},{"taxonomy":"seminar_category","embeddable":true,"href":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/wp-json\/wp\/v2\/seminar_category?post=1892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}