Commissioning the ATLAS Liquid Argon Calorimeter Phase-I Upgrade

Liquid argon (LAr) sampling calorimeters are employed by ATLAS for all electromagnetic calorimetry in the pseudo-rapidity region η < 3.2, and for hadronic and forward calorimetry in the region from η = 1.5 to η = 4.9. In the first LHC run (Run-1), a total luminosity of around 26 fb-1 was collecte...

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Autor principal:	Kay Ellis
Formato:	article
Lenguaje:	EN
Publicado:	EDP Sciences 2021
Materias:	Physics QC1-999
Acceso en línea:	https://doaj.org/article/cfc5c693509b47a6b5976ad48243f9ff
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spelling	oai:doaj.org-article:cfc5c693509b47a6b5976ad48243f9ff2021-12-02T17:12:45ZCommissioning the ATLAS Liquid Argon Calorimeter Phase-I Upgrade2100-014X10.1051/epjconf/202125301007https://doaj.org/article/cfc5c693509b47a6b5976ad48243f9ff2021-01-01T00:00:00Zhttps://www.epj-conferences.org/articles/epjconf/pdf/2021/07/epjconf_animma2021_01007.pdfhttps://doaj.org/toc/2100-014XLiquid argon (LAr) sampling calorimeters are employed by ATLAS for all electromagnetic calorimetry in the pseudo-rapidity region η < 3.2, and for hadronic and forward calorimetry in the region from η = 1.5 to η = 4.9. In the first LHC run (Run-1), a total luminosity of around 26 fb-1 was collected at centre-of-mass energies of 7-8 TeV. After detector consolidation during a long shut-down, Run-2 started in 2015 and around 150 fb-1 of data at a centre-of-mass energy of 13 TeV was recorded. With the end of Run-2 in 2018, a multi-year shutdown for the Phase-I detector upgrades began. As part of the Phase-I upgrade, new trigger readout electronics of the ATLAS LAr Calorimeter have been developed. Installation be-gan at the start of the LHC shut down in 2019 and is expected to be completed in 2020. A commissioning cam-paign is underway in order to realise the capabilities of the new, higher granularity and higher precision level-1 trigger hardware in Run-3 data taking. This contribution will give an overview of the new trigger readout system and the ongoing commissioning and installation efforts.Kay EllisEDP SciencesarticlePhysicsQC1-999ENEPJ Web of Conferences, Vol 253, p 01007 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999
spellingShingle	Physics QC1-999 Kay Ellis Commissioning the ATLAS Liquid Argon Calorimeter Phase-I Upgrade
description	Liquid argon (LAr) sampling calorimeters are employed by ATLAS for all electromagnetic calorimetry in the pseudo-rapidity region η < 3.2, and for hadronic and forward calorimetry in the region from η = 1.5 to η = 4.9. In the first LHC run (Run-1), a total luminosity of around 26 fb-1 was collected at centre-of-mass energies of 7-8 TeV. After detector consolidation during a long shut-down, Run-2 started in 2015 and around 150 fb-1 of data at a centre-of-mass energy of 13 TeV was recorded. With the end of Run-2 in 2018, a multi-year shutdown for the Phase-I detector upgrades began. As part of the Phase-I upgrade, new trigger readout electronics of the ATLAS LAr Calorimeter have been developed. Installation be-gan at the start of the LHC shut down in 2019 and is expected to be completed in 2020. A commissioning cam-paign is underway in order to realise the capabilities of the new, higher granularity and higher precision level-1 trigger hardware in Run-3 data taking. This contribution will give an overview of the new trigger readout system and the ongoing commissioning and installation efforts.
format	article
author	Kay Ellis
author_facet	Kay Ellis
author_sort	Kay Ellis
title	Commissioning the ATLAS Liquid Argon Calorimeter Phase-I Upgrade
title_short	Commissioning the ATLAS Liquid Argon Calorimeter Phase-I Upgrade
title_full	Commissioning the ATLAS Liquid Argon Calorimeter Phase-I Upgrade
title_fullStr	Commissioning the ATLAS Liquid Argon Calorimeter Phase-I Upgrade
title_full_unstemmed	Commissioning the ATLAS Liquid Argon Calorimeter Phase-I Upgrade
title_sort	commissioning the atlas liquid argon calorimeter phase-i upgrade
publisher	EDP Sciences
publishDate	2021
url	https://doaj.org/article/cfc5c693509b47a6b5976ad48243f9ff
work_keys_str_mv	AT kayellis commissioningtheatlasliquidargoncalorimeterphaseiupgrade
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Commissioning the ATLAS Liquid Argon Calorimeter Phase-I Upgrade

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