{"id":71704,"date":"2004-10-12T00:00:00","date_gmt":"2004-10-12T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/the-spd-physics-features-within-the-lhcb-calorimetry-system\/"},"modified":"2004-10-12T00:00:00","modified_gmt":"2004-10-12T00:00:00","slug":"the-spd-physics-features-within-the-lhcb-calorimetry-system","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/the-spd-physics-features-within-the-lhcb-calorimetry-system\/","title":{"rendered":"The spd physics features within the lhcb calorimetry system"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ernest Aguil\u00f3 Chivite <\/strong><\/h2>\n<p>La tesis se ha desarrollado en el grupo de barcelona del futuro experimento lhcb,que est\u00e1 a cago , entre otras tereas,dela electr\u00f3nica del subdetectal spd.Este es un plano de celdas de centelleador que permitir\u00e1 distinguir entre electrones y fotones en el primer nivel de trigger .En esta tesis se ha simulado la forma temporal del se\u00f1al del spd ,que es m\u00e1s ancha , que 25ms (el periodo de integraci\u00f3n de la electr\u00f3nica de lhcb), ya que \u00e9sta afectar\u00e1 a los siguientes periodos de 25ms.La simulaci\u00f3n ha sido ajustada con datos experimentales de mayor c\u00f3smicos.Una vez entendido su se\u00f1al del spd ha sido usado para mejora el trigger de electrones y de fotones.La mejora ha sido de un 10% y de un 20% respectivamente .Finalmente se han mejorado las medidas , as\u00ed como la determinaci\u00f3n de sus errores ,en la reconstruci\u00f3n del canal bd-j\/4(e + e)ks , canal utilizado para mejorar el trigger de electrones, mediante la recuperaci\u00f3n dela energ\u00eda irreconstruible radiada por el par e+e con un ajuste de su v\u00e9rtice forzado a la masa del j\/4 y modificando las matrices de covariancia de los momentos del par.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>The spd physics features within the lhcb calorimetry system<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 The spd physics features within the lhcb calorimetry system <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ernest Aguil\u00f3 Chivite <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 10\/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>Llu\u00eds Garrido Beltr\u00e1n<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: dom\u00e9nec Espriu climent <\/li>\n<li>Juan  Antonio Fuster verdu (vocal)<\/li>\n<li>bernardo Adeva andany (vocal)<\/li>\n<li>pascal Perret (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ernest Aguil\u00f3 Chivite La tesis se ha desarrollado en el grupo de barcelona del futuro experimento lhcb,que [&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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