{"id":66189,"date":"2008-11-07T00:00:00","date_gmt":"2008-11-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/bolometros-centelleadores-para-busqueda-de-materia-oscura\/"},"modified":"2008-11-07T00:00:00","modified_gmt":"2008-11-07T00:00:00","slug":"bolometros-centelleadores-para-busqueda-de-materia-oscura","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencia-de-los-ordenadores\/bolometros-centelleadores-para-busqueda-de-materia-oscura\/","title":{"rendered":"Bol\u00f3metros centelleadores para b\u00fasqueda de materia oscura"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Lidia Carmen Torres Ferr\u00e1ndez <\/strong><\/h2>\n<p>La presente memoria es fruto de la colaboraci\u00f3n rosebud (rare object search with bolometers underground) entre el instituto de astrof\u00edsica espacial de par\u00eds (orsay) y la universidad de zaragoza cuyo objetivo es el desarrollo de bol\u00f3metros centelleadores para la b\u00fasqueda de materia oscura. comienza con la motivaci\u00f3n f\u00edsica que nos lleva a desarrollar detectores para la b\u00fasqueda de la materia oscura fr\u00eda del universo. Se da un resumen del modelo cosmol\u00f3gico est\u00e1ndar, de las evidencias de la existencia de materia oscura fr\u00eda, de los candidatos a este tipo de materia que aporta la f\u00edsica de part\u00edculas y de los experimentos actuales para su detecci\u00f3n. Posteriormente se repasan los aspectos referentes a la interacci\u00f3n de part\u00edculas con un cristal, haciendo especial \u00e9nfasis en los procesos de t\u00e9rmalizaci\u00f3n de la excitaci\u00f3n y centelleo y en la justificaci\u00f3n del diferente rendimiento de los canales de detecci\u00f3n frente a la interacci\u00f3n de los diferentes tipos de part\u00edculas. Se exponen los principios de funcionamiento de los detectores bolom\u00e9tricos como detectores de part\u00edculas y la t\u00e9cnica de medida simult\u00e1nea de luz y calor en su configuraci\u00f3n habitual de bol\u00f3metro doble. Se presentan los aspectos experimentales del montaje del experimento rosebud, los resultados de las medidas de caracterizaci\u00f3n de zafiro realizados en el laboratorio de orsay y los resultados obtenidos en los sucesivos turnos de medidas en el laboratorio subterr\u00e1neo de canfranc durante el a\u00f1o 2007. las principales conclusiones sobre este trabajo, que se presentan al final de la memoria, son: se ha demostrado la capacidad de los bol\u00f3metros de zafiro para identificar part\u00edculas y se ha desarrollado un m\u00e9todo de selecci\u00f3n de bol\u00f3metros centelleadores adecuados para la b\u00fasqueda de materia oscura que servir\u00e1 como estrategia para un futuro experimento criog\u00e9nico europeo (proyecto eureca). se ha medido la producci\u00f3n absoluta de luz en zafiro por los diferentes tipos de part\u00edculas a baja temperatura (20 mk). se ha medido el factor de eficiencia en el canal t\u00e9rmico de los retrocesos nucleares y de las part\u00edculas alfa respecto a los retrocesos electr\u00f3nicos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Bol\u00f3metros centelleadores para b\u00fasqueda de materia oscura<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Bol\u00f3metros centelleadores para b\u00fasqueda de materia oscura <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Lidia Carmen Torres Ferr\u00e1ndez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 11\/07\/2008<\/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>Eduardo Garcia Abancens<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: rafael Nu\u00f1ez-lagos rogla <\/li>\n<li>thomas a. Girard (vocal)<\/li>\n<li>angel Larrea arbaizar (vocal)<\/li>\n<li>stefano Pirro (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Lidia Carmen Torres Ferr\u00e1ndez La presente memoria es fruto de la colaboraci\u00f3n rosebud (rare object search with [&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":[1890,2781,7099,2783,13610],"tags":[27307,145871,145870,6204,145873,145872],"class_list":["post-66189","post","type-post","status-publish","format-standard","hentry","category-ciencia-de-los-ordenadores","category-fisica-de-particulas","category-fisica-nuclear-experimental-de-bajas-energias","category-nucleonica","category-zaragoza","tag-angel-larrea-arbaizar","tag-eduardo-garcia-abancens","tag-lidia-carmen-torres-ferrandez","tag-rafael-nunez-lagos-rogla","tag-stefano-pirro","tag-thomas-a-girard"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/66189","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=66189"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/66189\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=66189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=66189"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=66189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}