{"id":72111,"date":"2018-03-09T23:16:51","date_gmt":"2018-03-09T23:16:51","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/beta-decay-studies-in-the-nz-and-the-rare-earth-regions-using-total-absorption-spectroscopy-techniques\/"},"modified":"2018-03-09T23:16:51","modified_gmt":"2018-03-09T23:16:51","slug":"beta-decay-studies-in-the-nz-and-the-rare-earth-regions-using-total-absorption-spectroscopy-techniques","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/beta-decay-studies-in-the-nz-and-the-rare-earth-regions-using-total-absorption-spectroscopy-techniques\/","title":{"rendered":"Beta decay studies in  the n=z and the rare-earth regions using total absorption spectroscopy techniques"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Enrique N\u00e1cher Gonz\u00e1lez <\/strong><\/h2>\n<p>En este trabajo, basado en medidas de desintegraci\u00f3n beta, se pretende un doble objetivo: medir la deformaci\u00f3n del estado fundamental del n\u00facleo con n=z 76sr, y estudiar la resonancia gamow-teller (gt) en los n\u00facleos pr\u00f3ximos al 146gd, que con n=82 y z=64 es casi doblemente m\u00e1gico.  el m\u00e9todo experimental utilizado en el trabajo, espectroscop\u00eda de absorci\u00f3n total, es el \u00fanico capaz de dar una medida precisa de la intensidad con que se pueblan los diferentes estados del n\u00facleo hijo, lo cual es la base para obtener la b(gt). Esta magnitud es la probabilidad intr\u00ednseca de la transici\u00f3n beta a los distintos estados nucleares del n\u00facleo hijo.  los resultados m\u00e1s importantes de nuestro trabajo se pueden resumir de la siguiente manera:  1 &#8211; basado en nuestros resultados experimentales para la b(gt) en la desintegraci\u00f3n del 76sr, podemos asegurar que este n\u00facleo es fuertemente prolado. Esta es la primera evidencia experimental de que se puede obtener informaci\u00f3n sobre la deformaci\u00f3n de los n\u00facleos a trav\u00e9s de su desintegraci\u00f3n beta. este resultado tambi\u00e9n indica que el 76sr es el n\u00facleo m\u00e1s deformado con n=z en su estado fundamental.  2 &#8211; la resonancia gt ha sido estudiada en la desintegraci\u00f3n beta de varios n\u00facleos en la regi\u00f3n de las tierras raras alrededor del 146gd. Nuestros resultados muestran la existencia de una resonancia muy estrecha, y tras el pico principal hemos podido observar, por primera vez en desintegraci\u00f3n beta, una cola que se extiende hasta el valor qec. Adem\u00e1s hemos podido estudiar el papel de la ocupaci\u00f3n del orbital h11\/2 en la estructura de la resonancia. Por otro lado, se ha cuantificado la cantidad de b(gt) que se mueve de los estados a baja energ\u00eda hacia los estados de mayor energ\u00eda en el esquema del n\u00facleo hijo. Esto es consecuencia de la mezcla de configuraciones debida a una interacci\u00f3n residual entre los estados finales. Por \u00faltimo, hemos podido estimar la posici\u00f3n de la reson<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Beta decay studies in  the n=z and the rare-earth regions using total absorption spectroscopy techniques<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Beta decay studies in  the n=z and the rare-earth regions using total absorption spectroscopy techniques <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Enrique N\u00e1cher Gonz\u00e1lez <\/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 20\/12\/2004<\/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>Berta Rubio Barroso<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jos\u00e9 Bernabe\u00fa alberola <\/li>\n<li>ikuko Hamamoto-kuroda (vocal)<\/li>\n<li>yoshitaka Fujita (vocal)<\/li>\n<li>maximilian Roeckl ernst (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Enrique N\u00e1cher Gonz\u00e1lez En este trabajo, basado en medidas de desintegraci\u00f3n beta, se pretende un doble objetivo: [&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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