{"id":21122,"date":"2003-10-01T00:00:00","date_gmt":"2003-10-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/busqueda-de-bosones-de-higgs-neutros-supersimetricos-en-el-experimento-delphi-de-lep-hasta-vs209-gev-en-sucesos-a-cuatro-quarks-b\/"},"modified":"2003-10-01T00:00:00","modified_gmt":"2003-10-01T00:00:00","slug":"busqueda-de-bosones-de-higgs-neutros-supersimetricos-en-el-experimento-delphi-de-lep-hasta-vs209-gev-en-sucesos-a-cuatro-quarks-b","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/cantabria\/busqueda-de-bosones-de-higgs-neutros-supersimetricos-en-el-experimento-delphi-de-lep-hasta-vs209-gev-en-sucesos-a-cuatro-quarks-b\/","title":{"rendered":"Busqueda de bosones de higgs neutros supersimetricos en el experimento delphi de lep hasta vs=209 gev en sucesos a cuatro quarks b"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Javier Fernandez Menendez <\/strong><\/h2>\n<p>Se ha participado en el an\u00e1lisis f\u00edsico de los datos recogidos por el experimento delphi en el acelerador lep del laboratorio europeo de fisica de particulas (cern) en ginebra, responsabilizandose dentro de la colaboraci\u00f3n de la busqueda de bosones de higgs neutros supersim\u00e9tricos en el canal 4b.  se ha desarrollado un an\u00e1lisis inclusivo basado en una definici\u00f3n del etiquetado de quarks b espec\u00edfica para este canal logrando uan reducci\u00f3n muy severa del fondo. La reconstrucci\u00f3n cinematica de los mismos y la definici\u00f3n de una valor como candidatos en la hipotesis de producci\u00f3n ha con una determinada masa.  se ha aplicado este an\u00e1lisis a los datos recogidos por el detector delphi en los a\u00f1os 1999 y 2000 con un total de 452 pb-1 en un rango de energias entre vs=192 gevy vs=208 gev.  se han estudiado los candidatos m\u00e1s relevantes, incluyendo su visualizaci\u00f3n, siendo compatible con el fondo esperado de los procesos f\u00edsicos del modelo estandar.  estos resultados, con su identificaci\u00f3n, masa y variable discriminante, han sido utilizados para obtener los niveles de confianza correspondientes a la hip\u00f3tesis de existencia de bosones de higgs en el mssm en el rango de masas entre 12 gevc2 y 130 gev\/c2. La combinaci\u00f3n con el resto de los canales en la b\u00fasqueda del boson de higgs en el modelo estandar y mssm ha permitido obtener l\u00edmites inferiores a la masa de los bosones en torno a valores pr\u00f3ximos a la masa del z as\u00ed como excluir regiones del plano del espacio de par\u00e1metros.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Busqueda de bosones de higgs neutros supersimetricos en el experimento delphi de lep hasta vs=209 gev en sucesos a cuatro quarks b<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Busqueda de bosones de higgs neutros supersimetricos en el experimento delphi de lep hasta vs=209 gev en sucesos a cuatro quarks b <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Javier Fernandez Menendez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Cantabria<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 10\/01\/2003<\/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>Francisco Javier Cuevas Maestro<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Ferrer soria <\/li>\n<li> Marco de lucas Jes\u00fas (vocal)<\/li>\n<li>Juan Alcaraz maestre (vocal)<\/li>\n<li>j. Murray william (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Javier Fernandez Menendez Se ha participado en el an\u00e1lisis f\u00edsico de los datos recogidos por el experimento [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[10518],"tags":[11506,42570,63917,63914,63916,63915],"class_list":["post-21122","post","type-post","status-publish","format-standard","hentry","category-cantabria","tag-antonio-ferrer-soria","tag-francisco-javier-cuevas-maestro","tag-j-murray-william","tag-javier-fernandez-menendez","tag-juan-alcaraz-maestre","tag-marco-de-lucas-jesus"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/21122","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=21122"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/21122\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=21122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=21122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=21122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}