{"id":72450,"date":"2018-03-09T23:17:14","date_gmt":"2018-03-09T23:17:14","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/modelling-the-muon-time-distribution-in-extensive-air-showers\/"},"modified":"2018-03-09T23:17:14","modified_gmt":"2018-03-09T23:17:14","slug":"modelling-the-muon-time-distribution-in-extensive-air-showers","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/modelling-the-muon-time-distribution-in-extensive-air-showers\/","title":{"rendered":"Modelling the muon time distribution in extensive air showers"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Lorenzo Caz\u00f3n Boado <\/strong><\/h2>\n<p>Los rayos c\u00f3smicos de las m\u00e1s altals energ\u00edas (1e20 ev)son de un especial inter\u00e9s para la fisica:los aceleradores humanos actuales est\u00e1n aun a varios \u00f3rdenes de magnitud por debajo de esa escala de energ\u00eda.Por otra parte la interacci\u00f3n con el fondo de microondas produce una atenuaci\u00f3n en el flujo en el caso de que las fuentes se encuentren por encima de 50 mpc de la tierra.Sin embargo no se ha llegado a ninguna conclusi\u00f3n experimental sobre la existencia de este corte (llamado corte gzk)debido a la poca estad\u00edstica disponible de datos reales, al estar involucrados bajos flujos de primarios.  a estas energ\u00edas tan elevadas los rayos c\u00f3smicos son detectados a trav\u00e9s de las cascadas producidas en un medio natural:en este caso en la atm\u00f3sfera.Partiendo de una primera interacci\u00f3n con un \u00e1tomo de la atm\u00f3sfera que produce part\u00edculas secundarias sigue un proceso multiplicativo hasta que la energia a repartir se desvanece.El observatorio pierre auger combina una matriz gigante de detectores a nivel de tierra que detecta las part\u00edculas secundarias de las cascadas, con 4 telescopios que recogen la luz de fluorescencia emitida durante el desarrollo de la misma .  una de las caracteristicas m\u00e1s importantes a reconstruir de una cascada es su \u00e1ngulo de incidencia, que en la matriz de detectores se hace a partir de los tiempos de llegada de las part\u00edculas secundarias.Entre \u00e9stas, destacan los muones, que tienen una gran capacidad de penetraci\u00f3n y adem\u00e1s viajan casi sin interaccionar desde su punto de producci\u00f3n.  en esta tesis se ha modelizado anal\u00edticamente la componente mu\u00f3nica de las cascadas.Se ha hecho especial hincapi\u00e9 en la distribuci\u00f3n de tiempos de llegada, lo cual ha permitido entender cuales son los mecanismos que originan el retraso de los muones, y la forma de las distribuciones .Una vez obtenido este modelo seha aplicado a una serie de casos pr\u00e1cticos:se ha determinado la resoluci\u00f3n angular de una matriz d<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Modelling the muon time distribution in extensive air showers<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Modelling the muon time distribution in extensive air showers <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Lorenzo Caz\u00f3n Boado <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 25\/01\/2005<\/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>Enrique Zas Arregui<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: fernando Arqueros mart\u00ednez <\/li>\n<li>lukas Nellen (vocal)<\/li>\n<li>alan Watson (vocal)<\/li>\n<li>markus Roth (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Lorenzo Caz\u00f3n Boado Los rayos c\u00f3smicos de las m\u00e1s altals energ\u00edas (1e20 ev)son de un especial inter\u00e9s [&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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