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The upgrade of the ALICE TPC with GEMs and continuous readout

Adolfsson, Jonatan LU ; Angelsmark, M ; Christiansen, Peter LU ; Ljunggren, Martin LU ; Matonoha, Oliver LU ; Nassirpour, Adrian LU orcid ; Oskarsson, Anders LU ; Önnerstad, A ; Österman, Lennart LU and Silvermyr, David LU orcid , et al. (2021) In Journal of Instrumentation 16(3).
Abstract
The upgrade of the ALICE TPC will allow the experiment to cope with the high interaction rates foreseen for the forthcoming Run 3 and Run 4 at the CERN LHC. In this article, we describe the design of new readout chambers and front-end electronics, which are driven by the goals of the experiment. Gas Electron Multiplier (GEM) detectors arranged in stacks containing four GEMs each, and continuous readout electronics based on the SAMPA chip, an ALICE development, are replacing the previous elements. The construction of these new elements, together with their associated quality control procedures, is explained in detail. Finally, the readout chamber and front-end electronics cards replacement, together with the commissioning of the detector... (More)
The upgrade of the ALICE TPC will allow the experiment to cope with the high interaction rates foreseen for the forthcoming Run 3 and Run 4 at the CERN LHC. In this article, we describe the design of new readout chambers and front-end electronics, which are driven by the goals of the experiment. Gas Electron Multiplier (GEM) detectors arranged in stacks containing four GEMs each, and continuous readout electronics based on the SAMPA chip, an ALICE development, are replacing the previous elements. The construction of these new elements, together with their associated quality control procedures, is explained in detail. Finally, the readout chamber and front-end electronics cards replacement, together with the commissioning of the detector prior to installation in the experimental cavern, are presented. After a nine-year period of R&D, construction, and assembly, the upgrade of the TPC was completed in 2020. © 2021 CERN for the benefit of the Alice collaboration.. (Less)
Please use this url to cite or link to this publication:
@article{1d5bd9ab-96fd-462f-8a04-dcb5953c6a2a,
  abstract     = {{The upgrade of the ALICE TPC will allow the experiment to cope with the high interaction rates foreseen for the forthcoming Run 3 and Run 4 at the CERN LHC. In this article, we describe the design of new readout chambers and front-end electronics, which are driven by the goals of the experiment. Gas Electron Multiplier (GEM) detectors arranged in stacks containing four GEMs each, and continuous readout electronics based on the SAMPA chip, an ALICE development, are replacing the previous elements. The construction of these new elements, together with their associated quality control procedures, is explained in detail. Finally, the readout chamber and front-end electronics cards replacement, together with the commissioning of the detector prior to installation in the experimental cavern, are presented. After a nine-year period of R&D, construction, and assembly, the upgrade of the TPC was completed in 2020. © 2021 CERN for the benefit of the Alice collaboration..}},
  author       = {{Adolfsson, Jonatan and Angelsmark, M and Christiansen, Peter and Ljunggren, Martin and Matonoha, Oliver and Nassirpour, Adrian and Oskarsson, Anders and Önnerstad, A and Österman, Lennart and Silvermyr, David and Vazquez Rueda, Omar and Vergara Urrutia, L.}},
  issn         = {{1748-0221}},
  keywords     = {{CMOS readout of gaseous detectors; Gaseous imaging and tracking detectors; Micropattern gaseous detectors (MSGC, GEM, THGEM, RETHGEM, MHSP, MICROPIC, MICROMEGAS, InGrid, etc); Time projection Chambers (TPC); Readout systems; Control procedures; Front end electronics; Gas electron multipliers; Interaction rate; Readout chambers; Readout Electronics; Electron multipliers}},
  language     = {{eng}},
  number       = {{3}},
  publisher    = {{IOP Publishing}},
  series       = {{Journal of Instrumentation}},
  title        = {{The upgrade of the ALICE TPC with GEMs and continuous readout}},
  url          = {{http://dx.doi.org/10.1088/1748-0221/16/03/P03022}},
  doi          = {{10.1088/1748-0221/16/03/P03022}},
  volume       = {{16}},
  year         = {{2021}},
}