{"id":78878,"date":"2018-03-09T23:24:35","date_gmt":"2018-03-09T23:24:35","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/backsplash-effects-on-spd-and-flavour-tagging-in-lhcb\/"},"modified":"2018-03-09T23:24:35","modified_gmt":"2018-03-09T23:24:35","slug":"backsplash-effects-on-spd-and-flavour-tagging-in-lhcb","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/barcelona\/backsplash-effects-on-spd-and-flavour-tagging-in-lhcb\/","title":{"rendered":"Backsplash effects on spd and flavour tagging in lhcb"},"content":{"rendered":"<h2>Tesis doctoral de <strong> M\u00edriam Calvo G\u00f3mez <\/strong><\/h2>\n<p>La tesis est\u00e1 relacionada con el experimento lhcb del cern, cuyo objetivo es el estudio de los mesones b y la medida de violaci\u00f3n de cp. Consta b\u00e1sicamente de dos partes.  una primera en relaci\u00f3n al funcionamiento del subdetector scintillator pad detector (spd) del calor\u00edmetro electromagn\u00e9tico del detector khcb bajo efectos de backsplash. Backsplash se refiere a las part\u00edculas que provienen por detr\u00e1s del detector spd (generadas en cascadas en los posteriores subdetectores) y pueden dejar se\u00f1al en \u00e9ste, reduciendo la eficiencia del spd en la distinci\u00f3n part\u00edculas cargadas y neutras a primer nivel de trigger.  el estudio de estas ineficiencias y el efecto sobre la ocupancia, entre otros, se presentan en esta primera parte.  la segunda parte de la tesis est\u00e1 relacionada al m\u00e9todo de etiquetado de sabor (flavour tagging) de los mesones b reconstruidos en el experimento. la fracci\u00f3n de etiquetas err\u00f3neas necesita ser conocida para obtener las asimetr\u00edas de los canales bajo estudio. Un m\u00e9todo para la extracci\u00f3n de \u00e9sta a partir de datos, utilizando los llamados canales de control, es probado en este trabajo en el caso particular del decaimiento b\u00c2\u00ba-j\/psi(ee)ks.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Backsplash effects on spd and flavour tagging in lhcb<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Backsplash effects on spd and flavour tagging in lhcb <\/li>\n<li><strong>Autor:<\/strong>\u00a0 M\u00edriam Calvo G\u00f3mez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 28\/02\/2006<\/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: joan Soto <\/li>\n<li>calvi Marta (vocal)<\/li>\n<li>federico S\u00e1nchez (vocal)<\/li>\n<li>olivier Leroy (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de M\u00edriam Calvo G\u00f3mez La tesis est\u00e1 relacionada con el experimento lhcb del cern, cuyo objetivo es el [&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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