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ALICE Conference Contributions

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2025-02-15
06:09
The Muon Identifier detector for the ALICE 3 experiment / Rojas Torres, Solangel (Prague, Tech. U.) /ALICE Collaboration
ALICE 3 is a new detector system proposed to operate during LHC Runs 5 and 6. The Muon IDentifier (MID) detector is one of the ALICE 3 subsystems optimized to detect muons down to momenta below 1.5 GeV/c for pseudorapidities |$\eta$|<1.3 for the reconstruction of J/$\psi$ vector mesons down to zero transverse momentum at midrapidity. [...]
2024 - 3 p. - Published in : PoS ICHEP2024 (2025) 974 Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.974

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2025-02-15
06:09
Measuring system-size and event-topology dependence of (multi-)strangeness production / Tarasovicova, Lucia Anna (Kosice U.) /ALICE Collaboration
Measurements of light-flavour particle production in small collision systems at the LHC energies have shown the onset of features that resemble what is typically observed in nucleus-nucleus collisions. New results on the (multi-)strange hadron production in Pb--Pb collisions at $\sqrt{s_{\mathrm{NN}}}$=5.02 and 5.36 TeV will be presented. [...]
2024 - 6 p. - Published in : PoS ICHEP2024 (2025) 608 Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.608

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2025-02-15
06:09
Investigation of charm-quark hadronization in proton–proton collisions / Cheng, Tiantian (CCNU, Wuhan, Inst. Part. Phys.) /ALICE Collaboration
Measurements of different charm-hadron species, particularly the yield ratios as a function of transverse momentum, provide unique insights into heavy-quark hadronization. In this contribution, the recent results of charm production in proton-proton (pp) collisions at $\sqrt{s}= $ 5.02 and 13 TeV, collected during Run 2 by the ALICE experiment, are presented. [...]
2024 - 6 p. - Published in : PoS ICHEP2024 (2025) 539 Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.539

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2025-02-15
06:09
The ALICE 3 particle identification systems / Gioachin, Giulia (Turin U. ; INFN, Turin) /ALICE Collaboration
The ALICE Collaboration has proposed a completely new apparatus, ALICE 3, for the LHC Runs 5 and 6. The experiment will enable novel studies of the quark-gluon plasma focusing on low-$p_{T}$ heavy-flavour production, as well as on precise multi-differential measurements of dielectron emission to probe the mechanism of chiral-symmetry restoration and the time-evolution of the QGP temperature.The detector consists of a large pixel-based tracking system covering eight units of pseudorapidity and including a vertex detector mounted on a retractable structure inside the beam pipe. [...]
2024 - 6 p. - Published in : PoS ICHEP2024 (2025) 919 Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.919

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2025-02-14
06:35
Operation and performance of the upgraded ALICE Inner Tracking System / Liu, Jian (Liverpool U.) /ALICE Collaboration
The ALICE detector underwent significant upgrades during the LHC Long Shutdown 2 from 2019 to 2021. A key upgrade was the installation of the new Inner Tracking System (ITS2), comprising 7 layers with 12.5 billion pixels over 10 m$^{2}$, enhancing its tracking capabilities using the ALPIDE chips that are capable of recording Pb\textendash Pb collisions at an interaction rate of 50 kHz. [...]
2024 - 6 p. - Published in : PoS ICHEP2024 (2025) 920 Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.920

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2025-02-14
06:35
The ITS3 detector and physics reach of the LS3 ALICE Upgrade / Schlepper, Felix (CERN ; Heidelberg U.) /ALICE Collaboration
During Long Shutdown 3 of the Large Hadron Collider (2026-2028), the ALICE experiment is replacing its innermost three tracking layers with a new detector, the ITS3 (Inner Tracking System 3).It will be based on newly developed wafer-scale monolithic active pixel sensors, which are bent into truly cylindrical layers and held in place by light mechanics made from carbon foam. The unprecedentedly low material budget (0.07% per layer) and proximity of the first ITS3 layer to the interaction point (19 mm) will lead to a factor two improvement in pointing resolutions with respect to the present ITS2 at very low $\it{p}_{\mathrm{T}}$ (O(100) MeV/c).The pointing resolution of ITS3 for 1 GeV/c primary charged pions is 20 $\mu$m and 15 $\mu$m in the transverse and longitudinal directions, respectively.After the successful R&D; phase (2019-2023), which demonstrated the feasibility of this innovative detector, the final sensor and mechanics are being developed right now.This contribution will shortly review the conceptual design and the main R&D; achievements, as well as the current activities and road to completion and installation.It concludes with a projection of the improved physics performance, particularly for the heavy-flavour hadrons that will will be reached with the installation of this new detector..
2024 - 6 p. - Published in : PoS ICHEP2024 (2025) 916 Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.916

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2025-02-11
15:08
ALICE ITS2: overview and performance / Isakov, A.
The new Inner Tracking System (ITS2) is instrumental for tracking and vertex reconstruction in the ALICE experiment [...]
arXiv:2502.04781. -
Fulltext

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2025-02-04
06:47
Extended Report from the LHC Experiments’ Young Scientist Fora / Coldham, Kathryn Wendy (Unlisted) /ALICE Collaboration ; ATLAS Collaboration ; CMS Collaboration ; LHCb Collaboration
The LHC Early Career Scientist Fora (LHC ECSF) comprises the ALICE Junior Representatives, ATLAS Early Career Scientist Board (ATLAS ECSB), the CMS Young Scientists Committee (CMS YSC) and the LHCb Early Career, Gender and Diversity Office (LHCb ECGD). This conference proceeding provides an update about the ECSF’s mental health check-in, which was led by the ALICE Junior Representatives and in collaboration with psychologist Sarah Speziali..
2024 - 6 p. - Published in : PoS LHCP2024 (2025) 141 Fulltext: PDF;
In : 12th Edition of the Large Hadron Collider Physics Conference (LHCP2024), Boston, United States, 3 - 7 Jun 2024, pp.141

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2025-02-01
06:02
Search for jet quenching in small systems / Krizek, Filip (Rez, Nucl. Phys. Inst.) /ALICE Collaboration
High multiplicity final states of small collision systems, such as proton-proton or proton-nucleus, exhibit some signatures which resemble features associated with QGP formation in heavy-ion collisions, e.g., collective phenomena or enhancement in produced strangeness. At the same time, there is no experimental evidence for QGP-induced jet quenching to date. [...]
2024 - 6 p. - Published in : PoS LHCP2024 (2025) 112 Fulltext: PDF;
In : 12th Edition of the Large Hadron Collider Physics Conference (LHCP2024), Boston, United States, 3 - 7 Jun 2024, pp.112

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2025-02-01
06:02
Machine learning in online/offline calibration and reconstruction at the LHC / Sonnabend, Christian (CERN ; Heidelberg U.) /ALICE Collaboration ; ATLAS Collaboration ; CMS Collaboration ; LHCb Collaboration
These proceedings report on the status and use of machine learning algorithms and especially neural networks in online and offline reconstruction and calibration for the four major experiments at CERN. The paper provides an overview and specific examples, ranging from raw data readout to final offline calibrations..
2024 - 8 p. - Published in : PoS LHCP2024 (2025) 151 Fulltext: PDF;
In : 12th Edition of the Large Hadron Collider Physics Conference (LHCP2024), Boston, United States, 3 - 7 Jun 2024, pp.151

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