{"id":131095,"date":"1996-01-01T00:00:00","date_gmt":"1996-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/medida-del-canal-semileptonico-de-desintegracion-b\/"},"modified":"1996-01-01T00:00:00","modified_gmt":"1996-01-01T00:00:00","slug":"medida-del-canal-semileptonico-de-desintegracion-b","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/medida-del-canal-semileptonico-de-desintegracion-b\/","title":{"rendered":"Medida del canal semileptonico de desintegracion b."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Anna Pascual Roca <\/strong><\/h2>\n<p>En este trabajo se presenta la medida del canal semileptonico de desintegracion de los hadrones que contienen un quark \u00abb\u00bb : b- tutx que se ha realizado tras analizar 1 millon de desintegraciones hadronicas del boson z0, correspondientes a los datos obtenidos durante los a\u00f1os 1992 y 1993 por el detector aleph, uno de los detectores del acelerador lep situado en el cern.Este canal de desintegracion representa una fraccion importante y no bien conocida de estas desintegraciones semileptonicas.La presencia de como minimo dos neutrinos en el estado final hacen que este canal sea de dificil identificacion. Para separar los sucesos de se\u00f1al de los numerosos sucesos de ruido con la maxima eficiencia, el analisis se ha realizado utilizando redes neuronales. El resultado obtenido para este canal de desintegracion es br (b-tutx) = (6,3 +- 1,3 (esot) +0,73 -0,90 (sist)) %.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Medida del canal semileptonico de desintegracion b.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Medida del canal semileptonico de desintegracion b. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Anna Pascual Roca <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1996<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Martine Bosman<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Manuel Delfino <\/li>\n<li>Peter Dornan (vocal)<\/li>\n<li>Alberto Ruiz (vocal)<\/li>\n<li>Emili Bagan (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Anna Pascual Roca En este trabajo se presenta la medida del canal semileptonico de desintegracion de los [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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