{"id":90847,"date":"2018-03-11T10:09:27","date_gmt":"2018-03-11T10:09:27","guid":{"rendered":""},"modified":"2018-03-11T10:09:27","modified_gmt":"2018-03-11T10:09:27","slug":"measurement-of-the-237np-and-240pu-neutron-capture-cross-sections-at-the-cern-n_tof-facility_medidas-de-las-secciones-eficaces-de-captura-neutronica-del-237np-y-240pu-en-la-instalacion-n_tof-del-cern","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/measurement-of-the-237np-and-240pu-neutron-capture-cross-sections-at-the-cern-n_tof-facility_medidas-de-las-secciones-eficaces-de-captura-neutronica-del-237np-y-240pu-en-la-instalacion-n_tof-del-cern\/","title":{"rendered":"Measurement of the 237np and 240pu neutron capture cross sections at the cern n_tof facility_(medidas de las secciones eficaces de captura neutr\u00f3nica del 237np y 240pu en la instalaci\u00f3n n_tof del cern."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Carlos Gualberto Guerrero Sanchez <\/strong><\/h2>\n<p>En este trabajo se han medido, entre 1 ev y 2 kev, las secciones eficaces de captura neutr\u00f3nica del np-237 y del pu-240 en la instalaci\u00f3n n_tof del cern. Dado que este trabajo es el primero en que se utiliza la t\u00e9cnica de absorci\u00f3n total en n_tof, se  han desarrollado toda una serie de t\u00e9cnicas de reducci\u00f3n de datos y herramientas inform\u00e1ticas para el an\u00e1lisis de datos. \u00e9stas han sido validadas con datos experimentales y han demostrado proporcionar un tasa de captura con una precisi\u00f3n de entre el  4  y el 6 , dependiendo de las caracter\u00edsticas de la medida. los datos experimentales se han analizado con el c\u00f3digo sammy en combinaci\u00f3n con la datos de transmisi\u00f3n m\u00e1s fiables. Como resultado, se han obtenido para cada is\u00f3topo un conjunto de par\u00e1m etros de las resonancias y las matrices de covarianza asociadas, as\u00ed como las secci\u00f3n eficaces de captura neutr\u00f3nica promedio y punto a punto. Las secciones eficaces obtenidas en este trabajo se han comparado con los valores experimentales previos di sponibles, as\u00ed como con las evaluaciones m\u00e1s recientes. Se ha demostrado que, para ambos is\u00f3topos, los datos presentados en este trabajo son los de mayor pecisi\u00f3n y resoluci\u00f3n hasta la fecha. un resultado adicional ha consistido en la identificaci\u00f3n de un conjunto de acciones concretas que deber\u00edan llevarse a cabo para que la pr\u00f3xima medidas en n_tof sea a\u00fan m\u00e1s precisas y cubran un rango de energ\u00eda m\u00e1s amplio.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Measurement of the 237np and 240pu neutron capture cross sections at the cern n_tof facility_(medidas de las secciones eficaces de captura neutr\u00f3nica del 237np y 240pu en la instalaci\u00f3n n_tof del cern.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Measurement of the 237np and 240pu neutron capture cross sections at the cern n_tof facility_(medidas de las secciones eficaces de captura neutr\u00f3nica del 237np y 240pu en la instalaci\u00f3n n_tof del cern. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Carlos Gualberto Guerrero Sanchez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 18\/12\/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>Daniel Cano Ott<\/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>franz K\u00ed\u00a4ppeler (vocal)<\/li>\n<li>frank Gunsing (vocal)<\/li>\n<li>Jos\u00e9 Luis Ta\u00edn  enriquez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Carlos Gualberto Guerrero Sanchez En este trabajo se han medido, entre 1 ev y 2 kev, las [&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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