{"id":12274,"date":"2018-03-09T08:58:03","date_gmt":"2018-03-09T08:58:03","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/simetria-quiral-en-fotoproduccion-de-mesones-y-procesos-afines\/"},"modified":"2018-03-09T08:58:03","modified_gmt":"2018-03-09T08:58:03","slug":"simetria-quiral-en-fotoproduccion-de-mesones-y-procesos-afines","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/simetria-quiral-en-fotoproduccion-de-mesones-y-procesos-afines\/","title":{"rendered":"\u00absimetria quiral en fotoproduccion de mesones y procesos afines\u00bb"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Nacher Diez Jos\u00e9 Carlos <\/strong><\/h2>\n<p>-la tesis doctoral realizada estudia en detalle los procesos de fotoproduccion y electroproduccion de dos piones a energias intermedias a traves de un modelo que involucra una serie de diagramas de feynman a orden arbol.  -nuevos mecanismos como la desintegracion n*(1520)&#8212;&gt;pn(incluyendo el meson p crho)) y a(1700)&#8212;-&gt;am (con la incorporacion de la resonancia a(1700)) se revelan necesarios para obtener un mejor acuerdo con el experimento en el canal    p&#8212;&gt;n+n o n,respetando los buenos resultados que se obtenian para el resto de los canales. El modelo es extendido al campo de fotones virtuales incorporando factores de forma y amplitudes de helicidad escalares. proximamente. Los resultados experimentales de t.J.N.A.F. Haran del modelo un instrumento valioso para el estudio de propiedades de resonancias barionicas.  -por otra parte la tesis presenta estudios de las resonancias 1(1405) y n*(1535) haciendo uso de un esquema quiral unitario. Estas resonancias son generadas dinamicamente a travesde la interaccion meson-barion por medio de la ecuacion de bethe-salpeter.  -al incorporar unitariedad en canales acoplados, las teorias de perturbaciones quirales, pueden ser aplicadas a regiones de resonancias mas alla del rango de aplicaci\u00f3n incial de xpt. Reacciones como yp&#8212;&gt;h+ a (1405) se estan realizando actualmente en spring 8\/rcnp (japon) y sus resultados seran comparados con las predicciones teoricas presentadas en la memoria.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>\u00absimetria quiral en fotoproduccion de mesones y procesos afines\u00bb<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 \u00absimetria quiral en fotoproduccion de mesones y procesos afines\u00bb <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Nacher Diez Jos\u00e9 Carlos <\/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 13\/07\/2001<\/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>Eulogio Oset Baguena<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Moya de guerra elvira <\/li>\n<li>Jos\u00e9 Antonio Gomez tejedor (vocal)<\/li>\n<li>juergen Ahrens (vocal)<\/li>\n<li>Juan  Miguel Nieves pamplona (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Nacher Diez Jos\u00e9 Carlos -la tesis doctoral realizada estudia en detalle los procesos de fotoproduccion y electroproduccion [&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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