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ALICE upgrades during the LHC Long Shutdown 2

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arxiv 2302.01238 v2 pith:Y22NCPMW submitted 2023-02-02 physics.ins-det hep-exnucl-ex

classification physics.ins-dethep-exnucl-ex
keywords duringexperimentalicelongphysicsshutdownallowavailable
verification ladder T0 review T1 audit T2 compute T3 formal
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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.

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Cited by 5 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Charm-quark collectivity from small to large systems with ALICE

    nucl-ex 2026-08 conditional novelty 6.0 of 10

    ALICE reports first Lambda_c v2 and first D-meson v2 in OO collisions, showing baryon-meson splitting in the charm sector at 3.7 sigma and positive flow in a small system.

  2. Medium-induced modification of azimuthal correlations of electrons from heavy-flavor hadron decays with charged particles in Pb-Pb collisions at $\sqrt{s_{\rm{NN}} = 5.02}$ TeV

    nucl-ex 2025-07 accept novelty 6.0 of 10

    First Pb-Pb measurement of heavy-flavor electron-charged particle azimuthal correlations shows a near-side low-pT enhancement hint (1.27 sigma) and an away-side high-pT suppression (2.5 sigma) in central collisions.

  3. A converged architecture for processing 32 Tbps of physics data in real-time at the LHCb experiment

    hep-ex 2026-07 conditional novelty 5.0 of 10

    LHCb demonstrates a 32 Tbps trigger-less data-acquisition and fully-GPU filter system with 41 MHz peak HLT1 throughput, the highest real-time software data rate in any physics experiment.

  4. Proceedings of Dielectron production in pp and Pb-Pb collisions with ALICE in Run 3, Quark Matter 2025

    nucl-ex 2025-09 conditional novelty 4.0 of 10

    The ALICE collaboration reports the first dielectron production cross-section in proton-proton collisions at 13.6 TeV and demonstrates separation of prompt and non-prompt sources using decay-distance templates.

  5. Ultra-peripheral Collisions

    hep-ex 2026-07 conditional novelty 1.0 of 10

    Ultra-peripheral collisions of heavy ions are reviewed as the energy frontier for photon physics; the paper consolidates a decade of LHC/RHIC results and proposes no new measurement.

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