Identification of high transverse momentum top quarks in pp collisions at √s= 8 TeV with the ATLAS detector

This paper presents studies of the performance of several jet-substructure techniques, which are used to identify hadronically decaying top quarks with high transverse momentum contained in large-radius jets. The efficiency of identifying top quarks is measured using a sample of top-quark pairs and...

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Autores principales: Alconada Verzini, María Josefina, Alonso, Francisco, Arduh, Francisco Anuar, Dova, María Teresa, Monticelli, Fernando Gabriel, Wahlberg, Hernán Pablo, The ATLAS Collaboration
Formato: Articulo
Lenguaje:Inglés
Publicado: 2016
Materias:
Física
Hadron-Hadron scattering (experiments)
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/85775
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-85775
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Física
Hadron-Hadron scattering (experiments)
spellingShingle Física
Hadron-Hadron scattering (experiments)
Alconada Verzini, María Josefina
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Monticelli, Fernando Gabriel
Wahlberg, Hernán Pablo
The ATLAS Collaboration
Identification of high transverse momentum top quarks in pp collisions at √s= 8 TeV with the ATLAS detector
topic_facet Física
Hadron-Hadron scattering (experiments)
description This paper presents studies of the performance of several jet-substructure techniques, which are used to identify hadronically decaying top quarks with high transverse momentum contained in large-radius jets. The efficiency of identifying top quarks is measured using a sample of top-quark pairs and the rate of wrongly identifying jets from other quarks or gluons as top quarks is measured using multijet events collected with the ATLAS experiment in 20.3 fb−1of 8 TeV proton-proton collisions at the Large Hadron Collider. Predictions from Monte Carlo simulations are found to provide an accurate description of the performance. The techniques are compared in terms of signal efficiency and background rejection using simulations, covering a larger range in jet transverse momenta than accessible in the dataset. Additionally, a novel technique is developed that is optimized to reconstruct top quarks in events with many jets.
format Articulo
Articulo
author Alconada Verzini, María Josefina
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Monticelli, Fernando Gabriel
Wahlberg, Hernán Pablo
The ATLAS Collaboration
author_facet Alconada Verzini, María Josefina
Alonso, Francisco
Arduh, Francisco Anuar
Dova, María Teresa
Monticelli, Fernando Gabriel
Wahlberg, Hernán Pablo
The ATLAS Collaboration
author_sort Alconada Verzini, María Josefina
title Identification of high transverse momentum top quarks in pp collisions at √s= 8 TeV with the ATLAS detector
title_short Identification of high transverse momentum top quarks in pp collisions at √s= 8 TeV with the ATLAS detector
title_full Identification of high transverse momentum top quarks in pp collisions at √s= 8 TeV with the ATLAS detector
title_fullStr Identification of high transverse momentum top quarks in pp collisions at √s= 8 TeV with the ATLAS detector
title_full_unstemmed Identification of high transverse momentum top quarks in pp collisions at √s= 8 TeV with the ATLAS detector
title_sort identification of high transverse momentum top quarks in pp collisions at √s= 8 tev with the atlas detector
publishDate 2016
url http://sedici.unlp.edu.ar/handle/10915/85775
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AT alonsofrancisco identificationofhightransversemomentumtopquarksinppcollisionsats8tevwiththeatlasdetector
AT arduhfranciscoanuar identificationofhightransversemomentumtopquarksinppcollisionsats8tevwiththeatlasdetector
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AT wahlberghernanpablo identificationofhightransversemomentumtopquarksinppcollisionsats8tevwiththeatlasdetector
AT theatlascollaboration identificationofhightransversemomentumtopquarksinppcollisionsats8tevwiththeatlasdetector
bdutipo_str Repositorios
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