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Real-time data processing in the ALICE High Level Trigger at the LHC

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dc.contributor.authorAcharya, S.
dc.contributor.authorAcosta, F. T.
dc.contributor.authorAdamova, D.
dc.contributor.authorAdhya, S. P.
dc.contributor.authorBelyaev, V.
dc.contributor.authorBogdanov, A.
dc.contributor.authorBolozdynya, A.
dc.contributor.authorGrigoriev, V.
dc.contributor.authorKaplin, V.
dc.contributor.authorKondratyeva, N.
dc.contributor.authorLoginov, V.
dc.contributor.authorMelikyan, Y.
dc.contributor.authorSamsonov, V.
dc.contributor.authorSelyuzhenkov, I.
dc.contributor.authorБеляев, Владимир Никитич
dc.contributor.authorБогданов, Алексей Александрович
dc.contributor.authorБолоздыня, Александр Иванович
dc.contributor.authorГригорьев, Владислав Анатольевич
dc.contributor.authorКондратьева, Наталья Викторовна
dc.contributor.authorЛогинов, Виталий Александрович
dc.date.accessioned2024-11-21T10:02:06Z
dc.date.available2024-11-21T10:02:06Z
dc.date.issued2019
dc.description.abstractAt the Large Hadron Collider at CERN in Geneva, Switzerland, atomic nuclei are collided at ultra-relativistic energies. Many final-state particles are produced in each collision and their properties are measured by the ALICE detector. The detector signals induced by the produced particles are digitized leading to data rates that are in excess of 48 GB/s. The ALICE High Level Trigger (HLT) system pioneered the use of FPGA- and GPU-based algorithms to reconstruct charged-particle trajectories and reduce the data size in real time. The results of the reconstruction of the collision events, available online, are used for high level data quality and detector-performance monitoring and real-time time-dependent detector calibration. The online data compression techniques developed and used in the ALICE HLT have more than quadrupled the amount of data that can be stored for offline event processing. (C) 2019 Elsevier B.V. All rights reserved.
dc.format.extentС. 25-48;
dc.identifier.citationReal-time data processing in the ALICE High Level Trigger at the LHC / Acharya, S [et al.] // Computer Physics Communications. - 2019. - 242. - P. 25-48;. - 10.1016/j.cpc.2019.04.011
dc.identifier.doi10.1016/j.cpc.2019.04.011
dc.identifier.urihttps://www.doi.org/10.1016/j.cpc.2019.04.011
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dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/18350
dc.relation.ispartofComputer Physics Communications
dc.titleReal-time data processing in the ALICE High Level Trigger at the LHC
dc.typeArticle
dspace.entity.typePublication
oaire.citation.volume242
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