{"id":3326,"date":"2011-08-03T13:50:48","date_gmt":"2011-08-03T13:50:48","guid":{"rendered":"http:\/\/t2k-experiment.org\/wp-content\/uploads\/zwidth.gif"},"modified":"2021-05-11T11:32:53","modified_gmt":"2021-05-11T11:32:53","slug":"zwidth-2","status":"inherit","type":"attachment","link":"https:\/\/t2k-experiment.org\/ja\/about-neutrinos\/%e6%88%91%e3%80%85%e3%81%af%e4%bd%95%e3%82%92%e7%9f%a5%e3%81%a3%e3%81%a6%e3%81%84%e3%82%8b%e3%81%8b\/zwidth-2\/","title":{"rendered":"zwidth"},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"nf_dc_page":""},"class_list":["post-3326","attachment","type-attachment","status-inherit","hentry"],"description":{"rendered":"<p class=\"attachment\"><a href='https:\/\/t2k-experiment.org\/wp-content\/uploads\/zwidth.gif'><img decoding=\"async\" loading=\"lazy\" width=\"300\" height=\"296\" src=\"https:\/\/t2k-experiment.org\/wp-content\/uploads\/zwidth-300x296.gif\" class=\"attachment-medium size-medium\" alt=\"\" srcset=\"https:\/\/t2k-experiment.org\/wp-content\/uploads\/zwidth-300x296.gif 300w, https:\/\/t2k-experiment.org\/wp-content\/uploads\/zwidth-100x100.gif 100w, https:\/\/t2k-experiment.org\/wp-content\/uploads\/zwidth.gif 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>LEP Z width<\/p>\n"},"caption":{"rendered":"<p>Figure 20: the Z line profile.  The plot shows the cross-section for Z production (essentially, the number of Z bosons produced) as a function of the combined energy of the two LEP beams.  The probability of producing a Z is greatly enhanced if the total energy matches the Z mass, so this scan traces out the Z width.  The data shown here represent the total data set from all four of the LEP experiments combined, and the lines are the expectation for 2, 3 or 4 distinct types of neutrino.   Figure from <i>Phys. Rept.<\/i> <b>427<\/b> (2006) 257\u2013454.<\/p>\n"},"alt_text":"","media_type":"image","mime_type":"image\/gif","media_details":{"width":"600","height":"593","hwstring_small":"height='96' width='97'","file":"zwidth.gif","sizes":{"thumbnail":{"file":"zwidth-100x100.gif","width":"100","height":"100","source_url":"https:\/\/t2k-experiment.org\/wp-content\/uploads\/zwidth-100x100.gif"},"medium":{"file":"zwidth-300x296.gif","width":"300","height":"296","source_url":"https:\/\/t2k-experiment.org\/wp-content\/uploads\/zwidth-300x296.gif"},"full":{"file":"zwidth.gif","width":600,"height":593,"mime_type":"image\/gif","source_url":"https:\/\/t2k-experiment.org\/wp-content\/uploads\/zwidth.gif"}},"image_meta":{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":""}},"post":3612,"source_url":"https:\/\/t2k-experiment.org\/wp-content\/uploads\/zwidth.gif","_links":{"self":[{"href":"https:\/\/t2k-experiment.org\/ja\/wp-json\/wp\/v2\/media\/3326","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/t2k-experiment.org\/ja\/wp-json\/wp\/v2\/media"}],"about":[{"href":"https:\/\/t2k-experiment.org\/ja\/wp-json\/wp\/v2\/types\/attachment"}],"author":[{"embeddable":true,"href":"https:\/\/t2k-experiment.org\/ja\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/t2k-experiment.org\/ja\/wp-json\/wp\/v2\/comments?post=3326"}],"wp:attached-to":[{"embeddable":true,"post_type":"page","id":3612,"href":"https:\/\/t2k-experiment.org\/ja\/wp-json\/wp\/v2\/pages\/3612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}