{"id":54,"date":"2014-07-21T08:01:23","date_gmt":"2014-07-21T08:01:23","guid":{"rendered":"http:\/\/decay.nerd-department.de\/?p=54"},"modified":"2020-10-23T06:50:54","modified_gmt":"2020-10-23T04:50:54","slug":"kaonzerfall","status":"publish","type":"post","link":"https:\/\/decay.nerd-department.de\/?p=54","title":{"rendered":"Kaonzerfall"},"content":{"rendered":"<p>Beim Kaon (vielmehr: den Kaonen) handelt es sich um das leichteste Meson,&nbsp; welches ein $latex s$-quark enth\u00e4lt. Damit sind folgende Kombinationen m\u00f6glich: $latex K^0=|d\\bar{s}\\rangle$,&nbsp; $latex K^+=|u\\bar{s}\\rangle$,&nbsp; $latex \\bar{K}^0=|\\bar{d}s\\rangle$,&nbsp; $latex \\bar{K}^-=|\\bar{u}s\\rangle$. Die geladenen Kaonen haben eine Masse von 493 MeV, w\u00e4hrend die neutralen eine Masse von 497 MeV besitzen.<\/p>\n<p>Das Kaon besitzt mit $latex 1,2 \\times 10^{-8}$s eine relativ lange Lebensdauer. Der Zerfall kann nur \u00fcber die schwache Wechselwirkung erfolgen, da sie als einzige die Strangeness verletzt, dabei wird das s-Quark in das leichtere u-Quark umgewandelt, was nur mit einer geringen Wahrscheinlichkeit passiert (siehe CKM Matrix).<\/p>\n<p>Das Kaon war das Teilchen an dem man 1964 die CP-Verletzung nachgewiesen hat&#8230;.<\/p>\n<p>Erzeugt werden Kaonen vornehmlich in der der H\u00f6henstrahlung durch die Streuung zwischen einem Proton und einem Pion:<\/p>\n<table border=\"\">\n<tbody>\n<tr>\n<td><a href=\"http:\/\/decay.nerd-department.de\/wp-content\/uploads\/2014\/07\/ckaon_creation1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-56 size-medium\" src=\"http:\/\/decay.nerd-department.de\/wp-content\/uploads\/2014\/07\/ckaon_creation1-300x199.png\" alt=\"\" width=\"300\" height=\"199\" srcset=\"https:\/\/decay.nerd-department.de\/wp-content\/uploads\/2014\/07\/ckaon_creation1-300x199.png 300w, https:\/\/decay.nerd-department.de\/wp-content\/uploads\/2014\/07\/ckaon_creation1-1024x680.png 1024w, https:\/\/decay.nerd-department.de\/wp-content\/uploads\/2014\/07\/ckaon_creation1.png 1392w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/td>\n<td><a href=\"http:\/\/decay.nerd-department.de\/wp-content\/uploads\/2014\/07\/ukaon_creation1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-57 size-medium\" src=\"http:\/\/decay.nerd-department.de\/wp-content\/uploads\/2014\/07\/ukaon_creation1-300x141.png\" alt=\"\" width=\"300\" height=\"141\" srcset=\"https:\/\/decay.nerd-department.de\/wp-content\/uploads\/2014\/07\/ukaon_creation1-300x141.png 300w, https:\/\/decay.nerd-department.de\/wp-content\/uploads\/2014\/07\/ukaon_creation1-1024x484.png 1024w, https:\/\/decay.nerd-department.de\/wp-content\/uploads\/2014\/07\/ukaon_creation1.png 1392w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/td>\n<\/tr>\n<tr>\n<td align=\"center\">Erzeugung eines geladenen Kaons<\/td>\n<td align=\"center\">Erzeugung eines geladenen und eines ungeladenen Kaons<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<div class=\"entry-summary\">\n<div class=\"entry-summary\">\nBeim Kaon (vielmehr: den Kaonen) handelt es sich um das leichteste Meson,&nbsp;&hellip;\n<\/div>\n<div class=\"link-more\"><a href=\"https:\/\/decay.nerd-department.de\/?p=54\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &ldquo;Kaonzerfall&rdquo;<\/span>&hellip;<\/a><\/div>\n<\/div>\n<div class=\"link-more\"><a href=\"https:\/\/decay.nerd-department.de\/?p=54\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &ldquo;Kaonzerfall&rdquo;<\/span>&hellip;<\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-54","post","type-post","status-publish","format-standard","hentry","category-zerfaelle","entry"],"acf":[],"_links":{"self":[{"href":"https:\/\/decay.nerd-department.de\/index.php?rest_route=\/wp\/v2\/posts\/54","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/decay.nerd-department.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/decay.nerd-department.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/decay.nerd-department.de\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/decay.nerd-department.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=54"}],"version-history":[{"count":8,"href":"https:\/\/decay.nerd-department.de\/index.php?rest_route=\/wp\/v2\/posts\/54\/revisions"}],"predecessor-version":[{"id":104,"href":"https:\/\/decay.nerd-department.de\/index.php?rest_route=\/wp\/v2\/posts\/54\/revisions\/104"}],"wp:attachment":[{"href":"https:\/\/decay.nerd-department.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=54"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/decay.nerd-department.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=54"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/decay.nerd-department.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=54"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}