{"id":67,"date":"2018-07-12T12:11:22","date_gmt":"2018-07-12T12:11:22","guid":{"rendered":"http:\/\/belle2.ijs.si\/public\/?page_id=67"},"modified":"2019-10-25T17:00:41","modified_gmt":"2019-10-25T17:00:41","slug":"exercise-7","status":"publish","type":"page","link":"https:\/\/belle2.ijs.si\/public\/exercise-7\/","title":{"rendered":"Exercise 7"},"content":{"rendered":"<h1>A decay of a D0 to charged kaons and leptons<\/h1>\n<p>Plot the mass distribution of a neutral <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/belle2.ijs.si\/public\/wp-content\/ql-cache\/quicklatex.com-7189f2dc3b577ae76c920f221affaca8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#68;&#94;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"22\" style=\"vertical-align: 0px;\"\/> which decays to a combination of <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/belle2.ijs.si\/public\/wp-content\/ql-cache\/quicklatex.com-285bb54fed580d11aef311033d8840a0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;&#94;&#43;&#92;&#112;&#105;&#94;&#45;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"49\" style=\"vertical-align: 0px;\"\/> or <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/belle2.ijs.si\/public\/wp-content\/ql-cache\/quicklatex.com-56d8d357e99ef1590223f2a03d308d4b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;&#94;&#45;&pi;&#94;&#43;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"38\" style=\"vertical-align: 0px;\"\/>:<\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 18px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/belle2.ijs.si\/public\/wp-content\/ql-cache\/quicklatex.com-124ef65b8e8cd44a5fac785c556c2cbb_l3.png\" height=\"18\" width=\"234\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#91;&#68;&#94;&#48;&#32;&#92;&#108;&#111;&#110;&#103;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#32;&#75;&#94;&#43;&#92;&#112;&#105;&#94;&#45;&#32;&#92;&#113;&#117;&#97;&#100;&#92;&#116;&#101;&#120;&#116;&#123;&#111;&#114;&#125;&#92;&#113;&#117;&#97;&#100;&#32;&#68;&#94;&#48;&#32;&#8594;&#32;&#75;&#94;&#45;&#92;&#112;&#105;&#94;&#43;&#92;&#93;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p>You will find a peak at a mass of <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/belle2.ijs.si\/public\/wp-content\/ql-cache\/quicklatex.com-7189f2dc3b577ae76c920f221affaca8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#68;&#94;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"22\" style=\"vertical-align: 0px;\"\/> at 1.86 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/belle2.ijs.si\/public\/wp-content\/ql-cache\/quicklatex.com-00c365c5d7f279a1e40a30de391e0e94_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#71;&#101;&#86;&#125;&#47;&#99;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"59\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>Probability for a production of <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/belle2.ijs.si\/public\/wp-content\/ql-cache\/quicklatex.com-7189f2dc3b577ae76c920f221affaca8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#68;&#94;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"22\" style=\"vertical-align: 0px;\"\/> is very small.<\/p>\n<p>You will have to process at least 100.000 events.<\/p>\n<p><a href=\"http:\/\/belle2.ijs.si\/masterclass\">http:\/\/belle2.ijs.si\/masterclass<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A decay of a D0 to charged kaons and leptons Plot the mass distribution of a neutral which decays to a combination of or : &nbsp; &nbsp; You will find a peak at a mass of at 1.86 Probability for a production of is very small. You will have to process at least 100.000 events. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-67","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/belle2.ijs.si\/public\/wp-json\/wp\/v2\/pages\/67","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/belle2.ijs.si\/public\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/belle2.ijs.si\/public\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/belle2.ijs.si\/public\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/belle2.ijs.si\/public\/wp-json\/wp\/v2\/comments?post=67"}],"version-history":[{"count":4,"href":"https:\/\/belle2.ijs.si\/public\/wp-json\/wp\/v2\/pages\/67\/revisions"}],"predecessor-version":[{"id":197,"href":"https:\/\/belle2.ijs.si\/public\/wp-json\/wp\/v2\/pages\/67\/revisions\/197"}],"wp:attachment":[{"href":"https:\/\/belle2.ijs.si\/public\/wp-json\/wp\/v2\/media?parent=67"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}