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Desarrollo y validación del algoritmo de filtrado óptimo para el calorímetro hadrónico del experimento ATLAS

Authors: Poveda, Joaquín; Abdallah, J.; Castillo Gimenez, M. V.; Cuenca Almenar, Cristóbal; Ferrer, Antonio; Fullana, Esteban; Higón, Emilio; +5 Authors

Desarrollo y validación del algoritmo de filtrado óptimo para el calorímetro hadrónico del experimento ATLAS

Abstract

En este trabajo se muestran los estudios realizados para el desarrollo y validación del algoritmo de reconstrucción de energía Filtrado Óptimo (OF) en el calorímetro hadrónico TileCal del experimento ATLAS. Este algoritmo proporciona la amplitud y la fase de la señal como una suma ponderada de sus muestras digitales para todos los canales. OF minimiza la aportación del ruido a la resolución energética del calorímetro mediante el uso de multiplicadores de Lagrange. En el presente trabajo se describen los fundamentos del algoritmo OF y se estudian sus prestaciones en comparación con otros algoritmos de reconstrucción. Para ello, se han utilizado datos de simulación completa del detector en dos entornos diferentes: considerando únicamente el ruido electrónico y estando presente además el apilamiento de sucesos de minimum bias como fuente adicional de ruido (reproduciendo así las condiciones en las que operará LHC).

4 págs, 4 figs.-- Comunicación presentada en la XXXI Reunión Bienal de la Real Sociedad Española de Física y 17º Encuentro Ibérico para la Enseñanza de la Física (Granada, 10 a 14 de septiembre de 2007).

Peer reviewed

Keywords

Calorímetro hadrónico TileCal, Experimento ATLAS, Algoritmo de Filtrado Óptimo, Large Hadron Collider (LHC), Gran Colisionador de Hadrones

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green