Readiness of the ATLAS liquid argon calorimeter for LHC collisions

The ATLAS Collaboration; G Aad; B Abbott; J Abdallah; AA Abdelalim; A Abdesselam; O Abdinov; B Abi; M Abolins; H Abramowicz; H Abreu; BS Acharya; DL Adams; TN Addy; J Adelman; C Adorisio; P Adragna; T Adye; S Aefsky; JA Aguilar-Saavedra; M Aharrouche; SP Ahlen; F Ahles; A Ahmad; H Ahmed; M Ahsan; G Aielli; T Akdogan; TPA Åkesson; G Akimoto; AV Akimov; A Aktas; MS Alam; MA Alam; J Albert; S Albrand; M Aleksa; IN Aleksandrov; F Alessandria; C Alexa; G Alexander; G Alexandre; T Alexopoulos; M Alhroob; M Aliev; G Alimonti; J Alison; M Aliyev; PP Allport; SE Allwood-Spiers; J Almond; A Aloisio; R Alon; A Alonso; MG Alviggi; K Amako; C Amelung; VV Ammosov; A Amorim; G Amorós; N Amram; C Anastopoulos; T Andeen; CF Anders; KJ Anderson; A Andreazza; V Andrei; XS Anduaga; A Angerami; F Anghinolfi; N Anjos; A Antonaki; M Antonelli; S Antonelli; B Antunovic; F Anulli; S Aoun; G Arabidze; I Aracena; Y Arai; ATH Arce; JP Archambault; S Arfaoui; JF Arguin; T Argyropoulos; E Arik; M Arik; AJ Armbruster; O Arnaez; C Arnault; A Artamonov; D Arutinov; M Asai; S Asai; R Asfandiyarov; S Ask; B Åsman; D Asner; L Asquith; K Assamagan

Journal article

Readiness of the ATLAS liquid argon calorimeter for LHC collisions

The ATLAS Collaboration, G Aad, B Abbott, J Abdallah, AA Abdelalim, A Abdesselam, O Abdinov, B Abi, M Abolins, H Abramowicz, H Abreu, BS Acharya, DL Adams, TN Addy, J Adelman, C Adorisio, P Adragna, T Adye, S Aefsky, JA Aguilar-Saavedra Show all

European Physical Journal C | Published : 2010

DOI: 10.1140/epjc/s10052-010-1354-y

Open access

Abstract

The ATLAS liquid argon calorimeter has been operating continuously since August 2006. At this time, only part of the calorimeter was readout, but since the beginning of 2008, all calorimeter cells have been connected to the ATLAS readout system in preparation for LHC collisions. This paper gives an overview of the liquid argon calorimeter performance measured in situ with random triggers, calibration data, cosmic muons, and LHC beam splash events. Results on the detector operation, timing performance, electronics noise, and gain stability are presented. High energy deposits from radiative cosmic muons and beam splash events allow to check the intrinsic constant term of the energy resolution...

View full abstract

University of Melbourne Researchers

Anna Phan Author

Martin Sevior Author

Elisabetta Barberio Author

Matteo Volpi Author

Grants

Awarded by Science and Technology Facilities Council

Funding Acknowledgements

We acknowledge the support of ANPCyT, Argentina; Yerevan Physics Institute, Armenia; ARC and DEST, Australia; Bundesministerium fur Wissenschaft und Forschung, Austria; National Academy of Sciences of Azerbaijan; State Committee on Science & Technologies of the Republic of Belarus; CNPq and FINEP, Brazil; NSERC, NRC, and CFI, Canada; CERN; NSFC, China; Ministry of Education, Youth and Sports of the Czech Republic, Ministry of Industry and Trade of the Czech Republic, and Committee for Collaboration of the Czech Republic with CERN; Danish Natural Science Research Council; European Commission, through the ARTEMIS Research Training Network; IN2P3-CNRS and Dapnia-CEA, France; Georgian Academy of Sciences; BMBF, DESY, DFG and MPG, Germany; Ministry of Education and Religion, through the EPEAEK program PYTHAGORAS II and GSRT, Greece; ISF, MINERVA, GIF, DIP, and Benoziyo Center, Israel; INFN, Italy; MEXT, Japan; CNRST, Morocco; FOM and NWO, Netherlands; The Research Council of Norway; Ministry of Science and Higher Education, Poland; GRICES and FCT, Portugal; Ministry of Education and Research, Romania; Ministry of Education and Science of the Russian Federation, Russian Federal Agency of Science and Innovations, and Russian Federal Agency of Atomic Energy; JINR; Ministry of Science, Serbia; Department of International Science and Technology Cooperation, Ministry of Education of the Slovak Republic; Slovenian Research Agency, Ministry of Higher Education, Science and Technology, Slovenia; Ministerio de Educacion y Ciencia, Spain; The Swedish Research Council, The Knut and Alice Wallenberg Foundation, Sweden; State Secretariat for Education and Science, Swiss National Science Foundation, and Cantons of Bern and Geneva, Switzerland; National Science Council, Taiwan; TAEK, Turkey; The Science and Technology Facilities Council and The Leverhulme Trust, United Kingdom; DOE and NSF, United States of America.