{"id":1238,"date":"2020-06-26T09:00:37","date_gmt":"2020-06-26T07:00:37","guid":{"rendered":"https:\/\/web.infn.it\/aperitiviscientifici\/?p=1238"},"modified":"2020-06-30T15:07:53","modified_gmt":"2020-06-30T13:07:53","slug":"observation-of-excess-electronic-recoil-events-in-xenon1t","status":"publish","type":"post","link":"https:\/\/web.infn.it\/aperitiviscientifici\/2020\/06\/26\/observation-of-excess-electronic-recoil-events-in-xenon1t\/","title":{"rendered":"Observation of Excess Electronic-Recoil Events in XENON1T"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1238\" class=\"elementor elementor-1238\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a99498c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a99498c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c511425\" data-id=\"c511425\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4560ce5 elementor-widget elementor-widget-heading\" data-id=\"4560ce5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pietro Di Gangi (Universit\u00e0 di Bologna)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-00e37d6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"00e37d6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4fea1f7\" data-id=\"4fea1f7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a81c9fc elementor-widget elementor-widget-html\" data-id=\"a81c9fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<a href=\"https:\/\/agenda.infn.it\/event\/23343\/\" target=\"_blank\" class=\"btn btn-info btn-xs\" rel=\"noopener noreferrer\">Indico<\/a> <a href=\"https:\/\/agenda.infn.it\/event\/23343\/attachments\/73306\/92980\/xenon1t_low_er_excess.pdf\" target=\"_blank\" class=\"btn btn-info btn-xs\" rel=\"noopener noreferrer\">Slides<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7138e74 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7138e74\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2d531bb\" data-id=\"2d531bb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ffad434 elementor-widget elementor-widget-text-editor\" data-id=\"ffad434\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>We report results from searches for new physics with low-energy electronic recoil data recorded with the XENON1T detector. With an exposure of 1042 kg x 227 days and an unprecedented low background rate of 76 \\pm 2 (stat) events\/(tonne year keV) between 1-30 keV, the data enables the most sensitive searches for new physics such as solar axions, an enhanced neutrino magnetic moment using solar neutrinos, and bosonic dark matter.<\/p><p>An excess over known backgrounds is observed below 7 keV. We report on its interpretation in terms of the mentioned physics signals, as well as of a not previously considered background source from tritium.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Pietro Di Gangi (Universit\u00e0 di Bologna)<br \/>\n<a href=\"https:\/\/agenda.infn.it\/event\/23343\/\" target=\"_blank\" class=\"btn btn-info btn-xs\" rel=\"noopener noreferrer\">Indico<\/a> <a href=\"https:\/\/agenda.infn.it\/event\/23343\/attachments\/73306\/92980\/xenon1t_low_er_excess.pdf\" target=\"_blank\" class=\"btn btn-info btn-xs\" rel=\"noopener noreferrer\">Slides<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":"","_wpscppro_dont_share_socialmedia":false,"_wpscppro_custom_social_share_image":0,"_facebook_share_type":"","_twitter_share_type":"","_linkedin_share_type":"","_pinterest_share_type":"","_linkedin_share_type_page":"","_instagram_share_type":"","_medium_share_type":"","_threads_share_type":"","_google_business_share_type":"","_bluesky_share_type":"","_mastodon_share_type":"","_selected_social_profile":[],"_wpsp_enable_custom_social_template":false,"_wpsp_social_scheduling":{"enabled":false,"datetime":null,"platforms":[],"status":"template_only","dateOption":"today","timeOption":"now","customDays":"","customHours":"","customDate":"","customTime":"","schedulingType":"absolute"},"_wpsp_active_default_template":true},"categories":[16,14],"tags":[],"class_list":["post-1238","post","type-post","status-publish","format-standard","hentry","category-2019-2020","category-past-seminars"],"_links":{"self":[{"href":"https:\/\/web.infn.it\/aperitiviscientifici\/wp-json\/wp\/v2\/posts\/1238","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/web.infn.it\/aperitiviscientifici\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/web.infn.it\/aperitiviscientifici\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/web.infn.it\/aperitiviscientifici\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/web.infn.it\/aperitiviscientifici\/wp-json\/wp\/v2\/comments?post=1238"}],"version-history":[{"count":12,"href":"https:\/\/web.infn.it\/aperitiviscientifici\/wp-json\/wp\/v2\/posts\/1238\/revisions"}],"predecessor-version":[{"id":1270,"href":"https:\/\/web.infn.it\/aperitiviscientifici\/wp-json\/wp\/v2\/posts\/1238\/revisions\/1270"}],"wp:attachment":[{"href":"https:\/\/web.infn.it\/aperitiviscientifici\/wp-json\/wp\/v2\/media?parent=1238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/web.infn.it\/aperitiviscientifici\/wp-json\/wp\/v2\/categories?post=1238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/web.infn.it\/aperitiviscientifici\/wp-json\/wp\/v2\/tags?post=1238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}