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1.
Correction of the baseline fluctuations in the GEM-based ALICE TPC / ALICE TPC Collaboration
To operate the ALICE Time Projection Chamber in continuous mode during the Run~3 and Run~4 data-taking periods of the Large Hadron Collider, the multi-wire proportional chamber-based readout was replaced with gas-electron multipliers. As expected, the detector performance is affected by the so-called common-mode effect, which leads to significant baseline fluctuations. [...]
arXiv:2304.03881.- 2023-11-24 - 30 p. - Published in : JINST 18 (2023) P11021 Fulltext: 2304.03881 - PDF; document - PDF;
2.
The upgrade of the ALICE TPC with GEMs and continuous readout / ALICE TPC Collaboration
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. [...]
arXiv:2012.09518.- 2021-03-15 - 87 p. - Published in : JINST Fulltext: PDF;
3.
SAMPA Chip: the New 32 Channels ASIC for the ALICE TPC and MCH Upgrades / Adolfsson, J (Lund U.) ; Pabon, A Ayala (Sao Paulo U.) ; Bregant, M (Sao Paulo U.) ; Britton, C (Oak Ridge) ; Brulin, G (Orsay, IPN) ; Carvalho, D (Sao Paulo U.) ; Chambert, V (Orsay, IPN) ; Chinellato, D (Campinas State U.) ; Espagnon, B (Orsay, IPN) ; Herrera, H D Hernandez (Sao Paulo U.) et al.
This paper presents the test results of the second prototype of SAMPA, the ASIC designed for the upgrade of read-out front end electronics of the ALICE Time Projection Chamber (TPC) and Muon Chamber (MCH). SAMPA is made in a 130 nm CMOS technology with 1.25 V nominal voltage supply and provides 32 channels, with selectable input polarity, and three possible combinations of shaping time and sensitivity. [...]
2017 - 3 p. - Published in : JINST 12 (2017) C04008
In : Topical Workshop on Electronics for Particle Physics, Karlsruhe, Germany, 26 - 30 Sep 2016, pp.C04008
4.
SAMPA chip: a new ASIC for the ALICE TPC and MCH upgrades / Barboza, S H I (Sao Paulo U.) ; Bregant, M (Sao Paulo U.) ; Chambert, V (Orsay, IPN) ; Espagnon, B (Orsay, IPN) ; Herrera, H D Hernandez (Sao Paulo U.) ; Mahmood, S M (Oslo U.) ; Moraes, D (Sao Paulo, Inst. Tech. Aeronautics) ; Munhoz, M G (Sao Paulo U.) ; Noël, G (Orsay, IPN) ; Pilyar, A (Dubna, JINR) et al.
This paper presents the SAMPA, an ASIC designed for the upgrade of read-out front end electronics of the ALICE Time Projection Chamber (TPC) and Muon Chambers (MCH). SAMPA is made in a 130 nm CMOS technology with 1.25 V nominal voltage supply and includes 32 channels, with selectable input polarity, and five possible combinations of shaping time and sensitivity. [...]
2016 - Published in : JINST 11 (2016) C02088
In : Topical Workshop on Electronics for Particle Physics, Lisbon, Portugal, 28 Sep - 2 Oct 2015, pp.C02088

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