{"id":4860,"date":"2011-08-03T09:56:53","date_gmt":"2011-08-03T09:56:53","guid":{"rendered":"http:\/\/t2k-experiment.org\/wp-content\/uploads\/sn_neutrinos.gif"},"modified":"2011-08-03T09:56:53","modified_gmt":"2011-08-03T09:56:53","slug":"sn_neutrinos-2","status":"inherit","type":"attachment","link":"https:\/\/t2k-experiment.org\/zh-hans\/sn_neutrinos-2\/","title":{"rendered":"sn_neutrinos"},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"nf_dc_page":""},"class_list":["post-4860","attachment","type-attachment","status-inherit","hentry"],"description":{"rendered":"<p class=\"attachment\"><a href='https:\/\/t2k-experiment.org\/wp-content\/uploads\/sn_neutrinos.gif'><img decoding=\"async\" loading=\"lazy\" width=\"300\" height=\"173\" src=\"https:\/\/t2k-experiment.org\/wp-content\/uploads\/sn_neutrinos-300x173.gif\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/t2k-experiment.org\/wp-content\/uploads\/sn_neutrinos-300x173.gif 300w, https:\/\/t2k-experiment.org\/wp-content\/uploads\/sn_neutrinos-700x405.gif 700w, https:\/\/t2k-experiment.org\/wp-content\/uploads\/sn_neutrinos.gif 788w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>calculated spectra of different neutrino species from a core-collapse supernova<\/p>\n"},"caption":{"rendered":"<p>simulation of neutrino spectra from a core-collapse supernova produced by a 15 solar mass star<a href=\"#ref5\">[5]<\/a>. Solid line, \u03bd<sub>e<\/sub>; dashed line, <font>\u03bd<sub>e<\/sub><\/font>;  dotted line, all other species.  In the right-hand plot, the  upper lines are the luminosity and the lower lines are the mean energy.  The sharp peak at t = 0 is the neutronisation pulse, when the protons in the core are converted to neutrons; the rest of the neutrinos are produced thermally. This spectrum is calculated for an observer 400 km from the collapsing core.<\/p>\n"},"alt_text":"","media_type":"image","mime_type":"image\/gif","media_details":{"width":"788","height":"457","hwstring_small":"height='74' width='128'","file":"sn_neutrinos.gif","sizes":{"thumbnail":{"file":"sn_neutrinos-100x100.gif","width":"100","height":"100","source_url":"https:\/\/t2k-experiment.org\/wp-content\/uploads\/sn_neutrinos-100x100.gif"},"medium":{"file":"sn_neutrinos-300x173.gif","width":"300","height":"173","source_url":"https:\/\/t2k-experiment.org\/wp-content\/uploads\/sn_neutrinos-300x173.gif"},"front-news-thumb":{"file":"sn_neutrinos-700x405.gif","width":"700","height":"405","source_url":"https:\/\/t2k-experiment.org\/wp-content\/uploads\/sn_neutrinos-700x405.gif"},"full":{"file":"sn_neutrinos.gif","width":788,"height":457,"mime_type":"image\/gif","source_url":"https:\/\/t2k-experiment.org\/wp-content\/uploads\/sn_neutrinos.gif"}},"image_meta":{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":""}},"post":null,"source_url":"https:\/\/t2k-experiment.org\/wp-content\/uploads\/sn_neutrinos.gif","_links":{"self":[{"href":"https:\/\/t2k-experiment.org\/zh-hans\/wp-json\/wp\/v2\/media\/4860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/t2k-experiment.org\/zh-hans\/wp-json\/wp\/v2\/media"}],"about":[{"href":"https:\/\/t2k-experiment.org\/zh-hans\/wp-json\/wp\/v2\/types\/attachment"}],"author":[{"embeddable":true,"href":"https:\/\/t2k-experiment.org\/zh-hans\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/t2k-experiment.org\/zh-hans\/wp-json\/wp\/v2\/comments?post=4860"}]}}