{"id":62511,"date":"2018-03-09T22:50:25","date_gmt":"2018-03-09T22:50:25","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/atlas-inner-detector-performance-and-alignment-studies\/"},"modified":"2018-03-09T22:50:25","modified_gmt":"2018-03-09T22:50:25","slug":"atlas-inner-detector-performance-and-alignment-studies","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica-de-particulas\/atlas-inner-detector-performance-and-alignment-studies\/","title":{"rendered":"Atlas inner detector performance and alignment studies"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Sergio Gonz\u00e1lez Sevilla <\/strong><\/h2>\n<p>En esta tesis hemos estudiado el rendimiento de los m\u00f3dulos del sct bajo haz de part\u00edculas en el  \u00abtestbeam combinado\u00bb (ctb) y realizado estudios detallados para el alineamiento del detector interno del experimento atlas.  en primer lugar trabajamos en la puesta a punto del dispositivo experimental del sct en el ctb, donde descubrimos un problema de sincronizaci\u00f3n en algunos de los chips del sct que solucionamos tras modificar su secuencia de inicializaci\u00f3n. Realizamos el alineamiento de los m\u00f3dulos de silicio (pixel y sct) tras desarrollar un algoritmo basado en una minimizaci\u00f3n num\u00e9rica de residuos en un proceso iterativo. Mostramos las mejoras en las distribuciones de residuos y par\u00e1metros reconstruidos de las trazas tras el alineamiento. As\u00ed mismo obtenemos excelentes resultados comparando el algoritmo desarrollado para esta tesis en relaci\u00f3n a otros algoritmos de alineamiento mas generales dise\u00f1ados espec\u00edficamente para el detector atlas pero aplicados a los datos reales del ctb.  hemos realizado un an\u00e1lisis detallado de las caracter\u00edsticas de los m\u00f3dulos del sct utilizando datos reales del ctb. Encontramos que todos los m\u00f3dulos cumplen las especificaciones impuestas por la colaboraci\u00f3n atlas en cuanto a eficiencia y ocupancia de ruido. Hemos determinado la resoluci\u00f3n espacial por plano y en relaci\u00f3n a los puntos tri-dimensionales reconstruidos mediante la combinaci\u00f3n de las medidas en las dos caras de lectura del modulo. Los resultados obtenidos est\u00e1n en perfecto acuerdo con los valores te\u00f3ricos esperados. Hemos determinado igualmente el \u00e1ngulo de lorentz para dos valores del campo magn\u00e9tico y comprobado su acuerdo con modelos te\u00f3ricos dentro de errores estad\u00edsticos. Finalmente, hemos mostrado resultados cualitativos referentes al estudio de dispersi\u00f3n m\u00faltiple coulombiana en los m\u00f3dulos del sct.  en la segunda parte de esta tesis hemos presentado el trabajo realizado en el estudio de los distintos aspectos del alineamiento del<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Atlas inner detector performance and alignment studies<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Atlas inner detector performance and alignment studies <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Sergio Gonz\u00e1lez Sevilla <\/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 21\/01\/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>Salvador Mart\u00ed I Garc\u00eda<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jochen Schieck <\/li>\n<li>markus Elsing (vocal)<\/li>\n<li>Emilio Hig\u00f3n rodr\u00edguez (vocal)<\/li>\n<li>daniel Froidevaux (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Sergio Gonz\u00e1lez Sevilla En esta tesis hemos estudiado el rendimiento de los m\u00f3dulos del sct bajo haz [&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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