{"id":113674,"date":"2018-03-11T10:41:14","date_gmt":"2018-03-11T10:41:14","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-la-dispersion-de-9li-y-11li-sobre-un-blanco-de-208pb-a-energa%c2%adas-en-torno-a-la-barrera-coulombiana\/"},"modified":"2018-03-11T10:41:14","modified_gmt":"2018-03-11T10:41:14","slug":"estudio-de-la-dispersion-de-9li-y-11li-sobre-un-blanco-de-208pb-a-energa%c2%adas-en-torno-a-la-barrera-coulombiana","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/estudio-de-la-dispersion-de-9li-y-11li-sobre-un-blanco-de-208pb-a-energa%c2%adas-en-torno-a-la-barrera-coulombiana\/","title":{"rendered":"Estudio de la dispersi\u00f3n de 9li y 11li sobre un blanco de 208pb a energias en torno a la barrera coulombiana."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mario Alberto Cubero Campos <\/strong><\/h2>\n<p>Este trabajo de tesis versa sobre el estudio de la secci\u00f3n eficaz diferencial el\u00e1stica del n\u00facleo con halo 11li y su core compacto 9li con un blanco de alto z, 208pb, a energ\u00edas pr\u00f3ximas a la barrera coulombiana (28 mev). Predicciones te\u00f3ricas basada s en la estructura poco ligada del 11li permit\u00edan anticipar cambios importantes en su din\u00e1mica de reacci\u00f3n frente al comportamiento observado en los n\u00facleos m\u00e1s compactos como lo es su propio core 9li. el estudio de la din\u00e1mica del n\u00facleo de 11li y s u core 9li sobre un blanco de 208pb  es un trabajo extremadamente dif\u00edcil desde un punto de vista experimental pues exige intensidades de haces ex\u00f3ticos relativamente altas para poder tener una estad\u00edstica moderada a \u00e1ngulos hacia atr\u00e1s. Para ello se  realiz\u00f3 un experimento en 2008 en el laboratorio triumf, en vancouver canad\u00e1 y dicho experimento se dise\u00f1\u00f3 para medir la secci\u00f3n eficaz diferencial de los sistemas 11li 208pb y 9li  208pb a las mismas energ\u00edas en centro de masas de 23.1 y 28.3 mev. El dise\u00f1o del sistema experimental fue optimizado considerando las curvas cinem\u00e1ticas de los fragmentos de la reacci\u00f3n y las p\u00e9rdidas de energ\u00eda sobre los detectores. El sistema experimental resultante tenia alta granularidad y cobertura angular. se analizaron los datos para el core compacto de 9li   208pb, y los resultados del canal el\u00e1stico (11li) y de ruptura (9li) para la secci\u00f3n eficaz del sistema 11li 208pb, donde la secci\u00f3n eficaz el\u00e1stica tiene una gran reducci\u00f3n frente a rutherford incl uso a energ\u00edas por debajo de la barrera coulombiana angular peque\u00f1a. Se compararon los resultados experimentales con descripciones te\u00f3ricas usando los formalismos del modelo \u00f3ptico (om), de canales acoplados (cc) y de canales acoplados con continuo d iscretizado (cdcc) a tres y cuatro cuerpos. La reducci\u00f3n de la secci\u00f3n eficaz se debe al efecto de absorci\u00f3n y al acoplamiento de los canales del continuo.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de la dispersi\u00f3n de 9li y 11li sobre un blanco de 208pb a energias en torno a la barrera coulombiana.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de la dispersi\u00f3n de 9li y 11li sobre un blanco de 208pb a energias en torno a la barrera coulombiana. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mario Alberto Cubero Campos <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 21\/12\/2012<\/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>Mar\u00eda Jos\u00e9 Garc\u00eda Borge<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: elvira Moya valga\u00f1\u00f3n <\/li>\n<li>eduardo Garrido bellido (vocal)<\/li>\n<li>Antonio Moro mu\u00f1oz (vocal)<\/li>\n<li>dolores Cortina gil (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mario Alberto Cubero Campos Este trabajo de tesis versa sobre el estudio de la secci\u00f3n eficaz diferencial [&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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