{"id":81295,"date":"2018-03-10T00:05:10","date_gmt":"2018-03-10T00:05:10","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/search-for-charginos-and-gravitinos-with-the-delphi-detector-at-ecm183-189-gev\/"},"modified":"2018-03-10T00:05:10","modified_gmt":"2018-03-10T00:05:10","slug":"search-for-charginos-and-gravitinos-with-the-delphi-detector-at-ecm183-189-gev","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/search-for-charginos-and-gravitinos-with-the-delphi-detector-at-ecm183-189-gev\/","title":{"rendered":"Search for charginos and gravitinos with the delphi detector at ecm=183-189 gev"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ines Gil Botella <\/strong><\/h2>\n<p>El objetivo de este trabajo es la b\u00fasqueda de charginos basada en los datos procedentes de las colisiones e+e- registrados por el detector delphi en el colisionador lep del cern durante los a\u00f1os 1997-1998 a una energia en centro de masas de ecm=183-189 gev.  se ha desarrollado un poderoso m\u00e9todo estad\u00edstico que combina diferentes variables en una unica funci\u00f3n discriminante basado en el metodo \u00ablikelihood ratio\u00bb. Se elige la combinaci\u00f3n de variables y el valor del cociente de m\u00e1xima verosimilitud que proporcionan la m\u00ednima secci\u00f3n eficaz de exclusi\u00f3n a un nivel de confianza del 95%.  tras el analisis de todos los datos, no se ha encontrado evidencia de nueva fisica y se han establecido nuevos l\u00edmites de exclusi\u00f3n utilizando un m\u00e9todo estad\u00edstico multi-canal.  se puede excluir la existencia de un chargino m\u00e1s ligero que 94.1 gev en el caso de que la diferencia de masas entre el chargino y el neutralino se mayor que 20 gev y que el sneutrino pese m\u00e1s de 300 gev. El l\u00edmite inferior en la masa del primer neutralino ha sido de 31.5 gev para un sneutrino pesado.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Search for charginos and gravitinos with the delphi detector at ecm=183-189 gev<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Search for charginos and gravitinos with the delphi detector at ecm=183-189 gev <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ines Gil Botella <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 19\/11\/1999<\/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> Hernandez Rey Juan  Jose<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Ferrer soria <\/li>\n<li>Manuel Martinez rodriguez (vocal)<\/li>\n<li>Jos\u00e9 Bernabe\u00fa alberola (vocal)<\/li>\n<li>Alberto De min (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ines Gil Botella El objetivo de este trabajo es la b\u00fasqueda de charginos basada en los datos [&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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