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ALICE upgrades during the LHC Long Shutdown 2

  • ALICE Collaboration
  • CERN
  • Université Clermont Auvergne
  • Universidade de São Paulo
  • Czech Academy of Sciences
  • Goethe University Frankfurt
  • Lund University
  • National Institute for Nuclear Physics
  • Université de Strasbourg
  • Universidad Nacional Autónoma de México
  • Variable Energy Cyclotron Centre
  • Aligarh Muslim University
  • Korea Institute of Science and Technology Information
  • Pavol Jozef Šafárik University
  • Yale University
  • GSI Helmholtz Centre for Heavy Ion Research
  • Central China Normal University
  • University of Houston
  • University of Bergen
  • Heidelberg University 
  • Lawrence Berkeley National Laboratory
  • Horia Hulubei National Institute of Physics and Nuclear Engineering
  • National Institute for Subatomic Physics
  • University of Münster
  • Nantes Université

Research output: Contribution to journalArticlepeer-review

Abstract

A Large Ion Collider Experiment (ALICE) has been conceived and constructed as a heavy-ion experiment at the LHC. During LHC Runs 1 and 2, it has produced a wide range of physics results using all collision systems available at the LHC. In order to best exploit new physics opportunities opening up with the upgraded LHC and new detector technologies, the experiment has undergone a major upgrade during the LHC Long Shutdown 2 (2019–2022). This comprises the move to continuous readout, the complete overhaul of core detectors, as well as a new online event processing farm with a redesigned online-offline software framework. These improvements will allow to record Pb-Pb collisions at rates up to 50 kHz, while ensuring sensitivity for signals without a triggerable signature.

Original languageEnglish
Article numberP05062
JournalJournal of Instrumentation
Volume19
Issue number5
DOIs
StatePublished - 1 May 2024

Keywords

  • Heavy-ion detectors
  • Large detector systems for particle
  • astroparticle physics

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