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1.
AliECS: A New Experiment Control System for the ALICE Experiment / Mrnjavac, Teo (CERN) ; Alexopoulos, Konstantinos (CERN) ; Chibante Barroso, Vasco (CERN) ; Guyot, Claire (CERN) ; Konopka, Piotr (CERN) ; Raduta, George (CERN)
The ALICE Experiment at CERN’s Large Hadron Collider (LHC) has undergone a major upgrade during LHC Long Shutdown 2 in 2019-2021, which includes a new computing system called O2 (Online-Offline). To ensure the efficient operation of the upgraded experiment and of its newly designed computing system, a reliable, high performance, full-featured experiment control system has also been developed and deployed at LHC Point 2. [...]
2024 - 8 p. - Published in : EPJ Web Conf. 295 (2024) 02027 Fulltext: PDF;
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023, pp.02027
2.
AliECS: a New Experiment Control System for the ALICE Experiment / Mrnjavac, Teo (CERN) ; Alexopoulos, Konstantinos (CERN) ; Chibante Barroso, Vasco (CERN) ; Raduta, George (CERN)
The ALICE Experiment at CERN’s Large Hadron Collider (LHC) is undertaking a major upgrade during LHC Long Shutdown 2 in 2019-2021, which includes a new computing system called O2 (Online-Offline). To ensure the efficient operation of the upgraded experiment and of its newly designed computing system, a reliable, high performance, and automated experiment control system is being developed. [...]
2020 - 8 p. - Published in : EPJ Web Conf. 245 (2020) 01033 Fulltext from publisher: PDF;
In : 24th International Conference on Computing in High Energy and Nuclear Physics, Adelaide, Australia, 4 - 8 Nov 2019, pp.01033
3.
AliECS: A New Experiment Control System for the Alice Experiment / Mrnjavac, Teo (CERN) ; Alexopoulos, Konstantinos (CERN) ; Chibante Barroso, Vasco (CERN) ; Raduta, George (CERN)
The ALICE Experiment at CERN LHC (Large Hadron Collider) is undertaking during Long Shutdown 2 in 2019-2020 a major upgrade, which includes a new computing system called O² (Online-Offline). To ensure the efficient operation of the upgraded experiment along with its newly designed computing system, a reliable, high performance and automated experiment control system is being developed with the goal of managing all O² synchronous processing software, and of handling the data taking activity by interacting with the detectors, the trigger system and the LHC. [...]
2019 - 7 p. - Published in : 10.18429/JACoW-ICALEPCS2019-WEDPL02
In : 17th Biennial International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS), New York, United States, 5 - 11 Oct 2019, pp.WEDPL02
4.
Exploring data merging methods for a distributed processing system / Konopka, Piotr (CERN) ; von Haller, Barthélémy (CERN)
The ALICE experiment at the CERN LHC (Large Hadron Collider) is undertaking a major upgrade during the LHC Long Shutdown 2 in 2019-2021, which includes a new computing system called O$^{2}$ (Online-Offline). The raw data input from the ALICE detectors will increase a hundredfold, up to 3.5 TB/s. [...]
2023 - 7 p. - Published in : J. Phys. : Conf. Ser. 2438 (2023) 012038 Fulltext: PDF;
In : 20th International Workshop on Advanced Computing and Analysis Techniques in Physics Research (ACAT 2021), Daejeon, Korea, 29 Nov - 3 Dec 2021, pp.012038
5.
Towards the ALICE Online-Offline (O$^2$) control system / Mrnjavac, Teo (CERN) ; Chibante Barroso, Vasco (CERN)
The ALICE Experiment at CERN LHC (Large Hadron Collider) is under preparation for a major upgrade that is scheduled to be deployed during Long Shutdown 2 in 2019-2020 and that includes new computing systems, called O$^2$ (Online-Offline). To ensure the efficient operation of the upgraded experiment along with its newly designed computing system, a reliable, high performance and automated control system will be developed with the goal of managing the lifetime of all the O$^2$ processes, and of handling the various phases of the data taking activity by interacting with the detectors, the trigger system and the LHC. [...]
2019 - 8 p. - Published in : EPJ Web Conf. 214 (2019) 01033 Fulltext from publisher: PDF;
In : 23rd International Conference on Computing in High Energy and Nuclear Physics, CHEP 2018, Sofia, Bulgaria, 9 - 13 Jul 2018, pp.01033
6.
The ALICE O2 data quality control system / Konopka, Piotr (CERN ; AGH-UST, Cracow) ; von Haller, Barthélémy (CERN) /ALICE Collaboration
The ALICE Experiment at CERN LHC (Large Hadron Collider) is undertaking a major upgrade during LHC Long Shutdown 2 in 2019–2021. The raw data input from the ALICE detectors will then increase a hundredfold, up to 3.5 TB/s. [...]
2020 - 7 p. - Published in : EPJ Web Conf. 245 (2020) 01027 Fulltext from publisher: PDF;
In : 24th International Conference on Computing in High Energy and Nuclear Physics, Adelaide, Australia, 4 - 8 Nov 2019, pp.01027
7.
The new ALICE data acquisition system (O$^2$/FLP) for LHC Run 3 / Barroso, Vasco (CERN) ; Alexopoulos, Konstantinos (CERN) ; Boulais, Martin (CERN) ; Chapeland, Sylvain (CERN) ; Costa, Filippo (CERN) ; Divià, Roberto (CERN) ; Fuchs, Ulrich (CERN) ; Guyot, Claire (CERN) ; Huijberts, Jik (Amsterdam U.) ; Konopka, Piotr (CERN) et al.
ALICE (A Large Ion Collider Experiment) has undertaken a major upgrade during the LHC Long Shutdown 2. The increase in the detector data rates led to a hundredfold increase in the input raw data, up to 3.5 TB/s. [...]
2024 - 8 p. - Published in : EPJ Web Conf. 295 (2024) 02029 Fulltext: PDF;
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023, pp.02029
8.
Bookkeeping, a new logbook system for ALICE / Boulais, Martin (CERN) ; Raduta, George C (CERN) ; Huijberts, Jik (CERN)
The ALICE experiment at CERN’s Large Hadron Collider is designed to study the physics of strongly interacting matter at extreme energy densities, where a quark-gluon plasma is expected to be formed. After a major upgrade, the new ALICE Online-Offline computational system expects to read an estimated throughput of 3.5TB/s of raw data and store and index 900Gb/s reconstructed data. [...]
2024 - 8 p. - Published in : EPJ Web Conf. 295 (2024) 01010 Fulltext: PDF;
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023, pp.01010
9.
From design to production: State-of-the-art web user interfaces to operate ALICE offline and online system / Raduta, G C (CERN)
The ALICE Experiment at CERN’s Large Hadron Collider is currently undergoing a major upgrade during Long Shutdown; this entails a new Online-Offline computing system and a new set of reliable and performant graphical user interfaces. After deployment, the updated system is expected to read an estimated throughput of 27 Tb/s of raw data and index 800 of Gb/s reconstructed data. [...]
2023 - 6 p. - Published in : J. Phys. : Conf. Ser. 2438 (2023) 012041 Fulltext: PDF;
In : 20th International Workshop on Advanced Computing and Analysis Techniques in Physics Research (ACAT 2021), Daejeon, Korea, 29 Nov - 3 Dec 2021, pp.012041
10.
ALICE Run 3 Analysis Framework / Alkin, Anton (CERN) ; Eulisse, Giulio (CERN) ; Grosse-Oetringhaus, Jan Fiete (CERN) ; Hristov, Peter (CERN) ; Kabus, Maja (Warsaw U. of Tech.)
In LHC Run 3 the ALICE Collaboration will have to cope with an increase of lead-lead collision data of two orders of magnitude compared to the Run 1 and 2 data-taking periods. The Online-Offline (O2) software framework has been developed to allow for distributed and efficient processing of this unprecedented amount of data. [...]
2021 - 7 p. - Published in : EPJ Web Conf. 251 (2021) 03063 Fulltext: PDF;
In : 25th International Conference on Computing in High-Energy and Nuclear Physics (CHEP), Online, Online, 17 - 21 May 2021, pp.03063

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