Jet Rejection Using the Pixel Matching for the Low and the High Luminosity

In the high level trigger algorithms for electrons, matching the clusters of the electromagnetic calorimeter to the innermost hits of the pixel detector has been found to be efficient in rejecting the jet background. This note reports the performance of the algorithm for the low and high luminosity....

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Detalles Bibliográficos
Autores principales: Daskalakis, Georgios, Lassila-Perini, Kati
Lenguaje:eng
Publicado: 2002
Materias:
Detectors and Experimental Techniques
Acceso en línea:http://cds.cern.ch/record/687464
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author Daskalakis, Georgios
Lassila-Perini, Kati
author_facet Daskalakis, Georgios
Lassila-Perini, Kati
author_sort Daskalakis, Georgios
collection CERN
description In the high level trigger algorithms for electrons, matching the clusters of the electromagnetic calorimeter to the innermost hits of the pixel detector has been found to be efficient in rejecting the jet background. This note reports the performance of the algorithm for the low and high luminosity. It also studies the effect of a ``staged'' pixel detector scenario --- proposed for the low luminosity running --- on the electron efficiency and the jet rejection of the pixel match. The performance is partially recovered by including the first silicon micro-strip layers to the matching algorithm.
id cern-687464
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2002
record_format invenio
spelling cern-6874642019-09-30T06:29:59Zhttp://cds.cern.ch/record/687464engDaskalakis, GeorgiosLassila-Perini, KatiJet Rejection Using the Pixel Matching for the Low and the High LuminosityDetectors and Experimental TechniquesIn the high level trigger algorithms for electrons, matching the clusters of the electromagnetic calorimeter to the innermost hits of the pixel detector has been found to be efficient in rejecting the jet background. This note reports the performance of the algorithm for the low and high luminosity. It also studies the effect of a ``staged'' pixel detector scenario --- proposed for the low luminosity running --- on the electron efficiency and the jet rejection of the pixel match. The performance is partially recovered by including the first silicon micro-strip layers to the matching algorithm.CMS-NOTE-2002-039oai:cds.cern.ch:6874642002-11-26
spellingShingle Detectors and Experimental Techniques
Daskalakis, Georgios
Lassila-Perini, Kati
Jet Rejection Using the Pixel Matching for the Low and the High Luminosity
title Jet Rejection Using the Pixel Matching for the Low and the High Luminosity
title_full Jet Rejection Using the Pixel Matching for the Low and the High Luminosity
title_fullStr Jet Rejection Using the Pixel Matching for the Low and the High Luminosity
title_full_unstemmed Jet Rejection Using the Pixel Matching for the Low and the High Luminosity
title_short Jet Rejection Using the Pixel Matching for the Low and the High Luminosity
title_sort jet rejection using the pixel matching for the low and the high luminosity
topic Detectors and Experimental Techniques
url http://cds.cern.ch/record/687464
work_keys_str_mv AT daskalakisgeorgios jetrejectionusingthepixelmatchingforthelowandthehighluminosity
AT lassilaperinikati jetrejectionusingthepixelmatchingforthelowandthehighluminosity

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