{"id":53672,"date":"2018-03-09T22:41:23","date_gmt":"2018-03-09T22:41:23","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/symmetry-breaking-in-particle-physics-from-extra-dimensions\/"},"modified":"2018-03-09T22:41:23","modified_gmt":"2018-03-09T22:41:23","slug":"symmetry-breaking-in-particle-physics-from-extra-dimensions","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/symmetry-breaking-in-particle-physics-from-extra-dimensions\/","title":{"rendered":"Symmetry breaking in particle physics from extra dimensions"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Leandro Da Rold <\/strong><\/h2>\n<p>En esta tesis se estudia la ruptura de simetr\u00edas en teor\u00edas con dimensiones extra. La motivaci\u00f3n principal es que la f\u00edsica de dimensiones extra provee nuevos mecanismos de ruptura de simetr\u00edas. En particular se estudian la ruptura de la simetr\u00eda quiral de qcd y la ruptura de la asimetr\u00eda electro d\u00e9bil (ew) del modelo est\u00e1ndar (sm). en la primera parte se propone un modelo efectivo 5d que describe la ruptura quiral en el sector de mesones. Se describen los sectores escalar, psudoescalar, vectorial y axial de mesones mediante un modelo en espacio curvo 5d. El modelo es d\u00e9bilmente acoplado y por eso es posible realiza c\u00e1lculos anal\u00edticos. Se predicen las masas, constantes de decaimiento y acoplamientos entre los mesones en t\u00e9rminos de los par\u00e1metros 5d. Tambi\u00e9n se calculan condensados y los par\u00e1metros del lagrangiano quiral de piones de qcd. Todas las prediciones coinciden con los resultados experimentales dentro del rango de validez del modelo. Las predicciones son robustas y algunas relaciones son consecuencia de la asimetr\u00eda gauge 5d.  en segundo lugar se estudia la ruptura de la simetr\u00eda ew en un modelo con un higgs compuesto en el marco de una teor\u00eda 5d en ads. El modelo es realista. La ruptura ew es un efecto din\u00e1mico debido principalmente a contribuciones del topo. En una regi\u00f3n grande el espacio de par\u00e1metros los observables de precisi\u00f3n ew son compatibles con sus cotas experimentales. La interacci\u00f3n zbb est\u00e1 protegida por una simetr\u00eda. El modelo predice un higgs liviano cuya masa est\u00e1 correlacionada con la masa de la resonancia fermi\u00f3nica m\u00e1s ligera. El top right es esencialmente una part\u00edcula compuesta, por lo que se esperan desviaciones, respecto del sm en este sector. por \u00faltimo se presenta un m\u00e9todo para calcular correcciones radiativas en teor\u00edas con dimensiones extra. El m\u00e9todo es muy \u00fatil para separar contribuciones finitas y divergentes.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Symmetry breaking in particle physics from extra dimensions<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Symmetry breaking in particle physics from extra dimensions <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Leandro Da Rold <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 30\/06\/2006<\/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>\u00e1lex Pomarol<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Mar\u00eda no Quir\u00f3s <\/li>\n<li>arcadi Santamar\u00eda (vocal)<\/li>\n<li>Jorge Russo (vocal)<\/li>\n<li>nuria Rius (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Leandro Da Rold En esta tesis se estudia la ruptura de simetr\u00edas en teor\u00edas con dimensiones extra. [&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":[199],"tags":[118480,118482,86432,118479,118481,118483],"class_list":["post-53672","post","type-post","status-publish","format-standard","hentry","category-fisica","tag-alex-pomarol","tag-arcadi-santamaria","tag-jorge-russo","tag-leandro-da-rold","tag-maria-no-quiros","tag-nuria-rius"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/53672","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=53672"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/53672\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=53672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=53672"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=53672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}