Performance of the missing transverse momentum triggers for the ATLAS detector during Run-2 data taking
The factor of four increase in the LHC luminosity, from 0.5 × 10³⁴ cm⁻¹s⁻¹ to 2.0 × 10³⁴ cm⁻²s⁻¹, and the corresponding increase in pile-up collisions during the 2015–2018 data-taking period, presented a challenge for the ATLAS trigger, particularly for those algorithms that select events with missi...
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Autores principales: | , , , , , , , |
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2020
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Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/133169 |
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I19-R120-10915-133169 |
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Universidad Nacional de La Plata |
institution_str |
I-19 |
repository_str |
R-120 |
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SEDICI (UNLP) |
language |
Inglés |
topic |
Física Hadron-Hadron scattering (experiments) |
spellingShingle |
Física Hadron-Hadron scattering (experiments) Alonso, Francisco Arduh, Francisco Anuar Dova, María Teresa Hoya, Joaquín Monticelli, Fernando Gabriel Orellana, Gonzalo Enrique Wahlberg, Hernán Pablo The ATLAS Collaboration Performance of the missing transverse momentum triggers for the ATLAS detector during Run-2 data taking |
topic_facet |
Física Hadron-Hadron scattering (experiments) |
description |
The factor of four increase in the LHC luminosity, from 0.5 × 10³⁴ cm⁻¹s⁻¹ to 2.0 × 10³⁴ cm⁻²s⁻¹, and the corresponding increase in pile-up collisions during the 2015–2018 data-taking period, presented a challenge for the ATLAS trigger, particularly for those algorithms that select events with missing transverse momentum. The output data rate at fixed threshold typically increases exponentially with the number of pile-up collisions, so the legacy algorithms from previous LHC data-taking periods had to be tuned and new approaches developed to maintain the high trigger efficiency achieved in earlier operations. A study of the trigger performance and comparisons with simulations show that these changes resulted in event selection efficiencies of > 98% for this period, meeting and in some cases exceeding the performance of similar triggers in earlier run periods, while at the same time keeping the necessary bandwidth within acceptable limits. |
format |
Articulo Articulo |
author |
Alonso, Francisco Arduh, Francisco Anuar Dova, María Teresa Hoya, Joaquín Monticelli, Fernando Gabriel Orellana, Gonzalo Enrique Wahlberg, Hernán Pablo The ATLAS Collaboration |
author_facet |
Alonso, Francisco Arduh, Francisco Anuar Dova, María Teresa Hoya, Joaquín Monticelli, Fernando Gabriel Orellana, Gonzalo Enrique Wahlberg, Hernán Pablo The ATLAS Collaboration |
author_sort |
Alonso, Francisco |
title |
Performance of the missing transverse momentum triggers for the ATLAS detector during Run-2 data taking |
title_short |
Performance of the missing transverse momentum triggers for the ATLAS detector during Run-2 data taking |
title_full |
Performance of the missing transverse momentum triggers for the ATLAS detector during Run-2 data taking |
title_fullStr |
Performance of the missing transverse momentum triggers for the ATLAS detector during Run-2 data taking |
title_full_unstemmed |
Performance of the missing transverse momentum triggers for the ATLAS detector during Run-2 data taking |
title_sort |
performance of the missing transverse momentum triggers for the atlas detector during run-2 data taking |
publishDate |
2020 |
url |
http://sedici.unlp.edu.ar/handle/10915/133169 |
work_keys_str_mv |
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Repositorios |
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1764820454930907137 |