{"id":113510,"date":"2012-04-12T00:00:00","date_gmt":"2012-04-12T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/metodos-no-perturbativos-y-teoria-quiral-de-perturbaciones-y-aplicaciones-a-las-interacciones-meson-meson-y-nucleon-nucleon\/"},"modified":"2012-04-12T00:00:00","modified_gmt":"2012-04-12T00:00:00","slug":"metodos-no-perturbativos-y-teoria-quiral-de-perturbaciones-y-aplicaciones-a-las-interacciones-meson-meson-y-nucleon-nucleon","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/teoria-cuantica-de-campos\/metodos-no-perturbativos-y-teoria-quiral-de-perturbaciones-y-aplicaciones-a-las-interacciones-meson-meson-y-nucleon-nucleon\/","title":{"rendered":"Metodos no perturbativos y teoria quiral de perturbaciones y aplicaciones a las interacciones meson-meson y nucleon-nucleon"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Miguel Albaladejo Serrano <\/strong><\/h2>\n<p>En esta tesis se aplican m\u00e9todos no perturbativos y la teor\u00eda quiral de perturbaciones al estudio de diferentes problemas de f\u00edsica hadr\u00f3nica. Se estudia el sector escalar-isoescalar de las interacciones mes\u00f3n-mes\u00f3n, identific\u00e1ndose la resonancia f0(1710) como la glubola m\u00e1s ligera. Se investiga tambi\u00e9n la generaci\u00f3n din\u00e1mica de resonancias pseudoescalares con masas entre 1 y 2 gev a partir de las interacciones de resonancias escalares con los pseudoescalares m\u00e1s ligeros. La naturaleza del mes\u00f3n sigma, generado din\u00e1micamente en  interacciones de piones, se estudia mediante su factor de forma escalar y el radio cuadr\u00e1tico medio, encontr\u00e1ndose un valor peque\u00f1o de este. Esto indica que una imagen de cuatro quarks es m\u00e1s adecuada que la de una mol\u00e9cula de piones. Tambi\u00e9n se estudian los efectos de volumen finito en las interacciones de piones. Finalmente, se propone un nuevo m\u00e9todo para el estudio de las interacciones nucle\u00f3n-nucle\u00f3n.    in this thesis, non-perturbative methods and chiral perturbation theory are applied to different issues of hadron physics. The scalar-isoscalar sector of meson-meson interactions is studied, and the f0(1710) resonance is identified with the lightest glueball. The dynamical generation of pseudoscalar resonances with masses in the range 1-2 gev from the interactions of scalar resonances and the lightest pseudoscalars is investigated. The nature of the sigma meson, dynamically generated in the pion interactions, is studied by means of its scalar form factor and the quadratic scalar mean radius, finding a small value of the latter. This points to a four-quark picture rather than to a pion molecule. The finite volume effects in pion-pion interactions are also treated. Finally, a new method to study the nucleon-nucleon interactions is proposed.    palabras clave teor\u00eda quiral de perturbaciones; mes\u00f3n; nucle\u00f3n; resonancias; unitariedad; glubola; sigma; ret\u00edculo; din\u00e1mica quiral.  key words chiral perturbation theory; meson; nucleon; resonances; unitarity; glueball; sigma; lattice; chiral dynamics.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Metodos no perturbativos y teoria quiral de perturbaciones y aplicaciones a las interacciones meson-meson y nucleon-nucleon<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Metodos no perturbativos y teoria quiral de perturbaciones y aplicaciones a las interacciones meson-meson y nucleon-nucleon <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Miguel Albaladejo Serrano <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Murcia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 04\/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>Jos\u00e9 Antonio Oller Berber<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: eulogio Oset baguena <\/li>\n<li>Jos\u00e9 ram\u00f3n Pel\u00e1ez sagredo (vocal)<\/li>\n<li>david Rodr\u00edguez entem (vocal)<\/li>\n<li>joan Soto riera (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Miguel Albaladejo Serrano En esta tesis se aplican m\u00e9todos no perturbativos y la teor\u00eda quiral de perturbaciones [&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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