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ALICE Conference Contributions

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2025-02-19
06:41
First study of initial gluonic fluctuations using UPCs with ALICE / Grund, David (Prague, Tech. U.) /ALICE Collaboration
Incoherent photoproduction is sensitive to fluctuations in the gluon structure of the target. Thus, the photoproduction measurement off colliding hadrons sheds light on QCD at high energies and provides important constraints on the initial conditions used in hydrodynamical models of heavy-ion collisions. [...]
2025 - 5 p. - Published in : PoS DIS2024 (2025) 103 Fulltext: PDF;
In : 31st International Workshop on Deep Inelastic Scattering, Grenoble, France, 8 - 12 Apr 2024, pp.103

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2025-02-19
06:41
Azimuthal anisotropy from quantum interference in $\rho^0$ photoproduction in ultra-peripheral collisions with ALICE / Riffero, Andrea Giovanni (Turin U. ; INFN, Turin) /ALICE Collaboration
Ultra-peripheral heavy-ion collisions (UPCs) occur when the impact parameter of the collision is greater than the sum of the radii of the colliding nuclei. UPCs allow one to study photon-induced reactions, such as the photoproduction of a vector meson, which is a well-established tool to probe the gluon structure of the colliding nuclei. [...]
2025 - 7 p. - Published in : PoS DIS2024 (2025) 072 Fulltext: PDF;
In : 31st International Workshop on Deep Inelastic Scattering, Grenoble, France, 8 - 12 Apr 2024, pp.072

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2025-02-18
06:48
Measurements of single and double \Dzero meson production in pp collisions at $\sqrt{s}$ = 13.6 TeV / Garcia, Andrea Tavira (IJCLab, Orsay) /ALICE Collaboration
D-meson production measurements in pp collisions are used to test perturbative quantum chromodynamics (pQCD) calculations. This contribution reports the preliminary results of the non-prompt \Dzero fraction at midrapidity in the transverse momentum range $p_\text{T} < 24$ \GeV, measured in pp collisions at $\sqrt{s} = 13.6$ TeV, using data from the LHC Run 3. [...]
2024 - 3 p. - Published in : PoS ICHEP2024 (2025) 645 Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.645

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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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