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ALICE Conference Contributions

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2025-06-27
10:24
MLR1: CMOS MAPS technology validation for ALICE ITS3 / Sturniolo, A (INFN, Catania ; Catania U. ; Catania, CSFNSM) /ALICE Collaboration
The second ALICE Inner Tracking System upgrade project (ITS3), to be completed during LHC Long Shutdown 3 (LS3, 2026-2028), will dramatically reduce the Inner Barrel (IB) detectors’ material budget and thus improve the ITS tracking capabilities (detection efficiency and track resolution). For this purpose, the ITS3 project envisions replacing the current ITS2 IB with 6 flexible, truly cylindrical half-layers, supported only by a carbon foam frame and cooled down by an air system. [...]
2025 - 6 p. - Published in : Nuovo Cimento C 48 (2025) 157 Fulltext: PDF;
In : 20th Incontri di Fisica delle Alte Energie (IFAE 2024), Florence, Itlay, 3 - 5 Apr 2024, pp.157

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2025-06-26
07:56
ITS3: the next upgrade of the ALICE Inner Tracking System / La Rocca, Paola (Catania U. ; INFN, Catania) /ALICE Collaboration
The ALICE experiment, optimized to study nuclei collisions at the ultra relativistic energies provided by the LHC, is approaching to a new upgrade phase, foreseen in 2026 during the third Long Shutdown of the accelerator. This upgrade includes the replacement of the 3 innermost layers of the Inner Tracking System, the detector closest to the interaction point, which is currently made of 7 layers of Monolithic Active Pixels Sensors (MAPS). [...]
2025 - 6 p. - Published in : PoS QNP2024 (2025) 004 Fulltext: PDF;
In : 10th International Conference on Quarks and Nuclear Physics (QNP 2024), Barcelona, Spain, 8 - 12 Jul 2024, pp.004

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2025-06-26
07:56
Cosmic $\overline{d}$ and $\overline{He}$: production mechanisms and latest constraints from ALICE at the LHC / Malfattore, G (INFN, Bologna ; Bologna U.) /ALICE Collaboration
The formation mechanism of light (anti)nuclei in high-energy hadronic collisions remains an open question in high-energy physics. Their production mechanism is investigated by comparing experimental data with phenomenological models using statistical hadronization or a coalescence approach.In particular, the coalescence mechanism finds an essential application in cosmic antinuclei studies for indirect dark matter searches with space-based experiments like AMS. [...]
2025 - 7 p. - Published in : PoS EXA-LEAP2024 (2025) 055 Fulltext: PDF;
In : International Conference on Exotic Atoms and Related Topics and Conference on Low Energy Antiprotons (EXA/LEAP 2024), Vienna, Austria, 26 - 30 Aug 2024, pp.055

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2025-06-26
07:56
The ALICE ITS3 upgrade project: Latest results on monolithic pixel sensors test structures realized in a 65 nm technology / Savino, U (INFN, Turin ; Turin U.) /ALICE Collaboration
ALICE (A Large Ion Collider Experiment) at CERN investigates the properties of the quark-gluon plasma formed in heavy ion collisions at high energies. A crucial aspect of this research is the precise reconstruction of low momentum particles (< 1 GeV/c). The ALICE Inner Tracking System (ITS) plays a central role in this effort, it is the first large-area silicon tracker constructed entirely from Monolithic Active Pixel Sensors (MAPS). [...]
2025 - 7 p. - Published in : Nuovo Cimento C 48 (2025) 114 Fulltext: PDF;
In : 20th Incontri di Fisica delle Alte Energie (IFAE 2024), Florence, Itlay, 3 - 5 Apr 2024, pp.114

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2025-06-12
08:40
Development of the MOSAIX chip for the ALICE ITS3 upgrade / Vicente Leitao, P (CERN) /ALICE Collaboration
Following the ALICE ITS3 detector development path of wafer-scale monolithic stitched pixel detector prototypes (MOSS & MOST) in the TPSCo. 65 nm CMOS imaging technology, the MOSAIX chip is the prototype of the final full-size and full-functionality ITS3 sensor. [...]
2025 - 7 p. - Published in : JINST 20 (2025) C06001 Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics 2024, Glasgow, United Kingdom, 30 Sep - 4 Oct 2024, pp.C06001

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2025-05-27
07:14
Investigating the system size dependence of hypernuclei production with A < 5 using the ALICE detector / Wang, Yuanzhe (Fudan U., Shanghai) /ALICE Collaboration
The production of (anti)hypernuclei is among the most promising probes for studying the production mechanism of light nuclei in high-energy hadronic collisions. According to coalescence predictions, the production of 3ΛH, 4ΛH, and 4ΛHe is sensitive to their internal wave function. [...]
2025 - 4 p. - Published in : EPJ Web Conf. 316 (2025) 05001 Fulltext: PDF;
In : 21st International Conference on Strangeness in Quark Matter 2024 (SQM2024), Strasbourg, France, 3 - 7 Jun 2024, pp.05001

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2025-05-23
04:11
Exploring Event-by-Event $\it{p}_{\rm T}$ Fluctuations in pp Collisions at $\sqrt{s} = 13$ TeV: An Insight from ALICE / Ali, Bushra (Aligarh Muslim U.)
Event-by-event fluctuations of the mean transverse momentum ($p_{\rm T}$) of relativistic charged particles are analyzed using the two-particle correlator $\sqrt{C_m}/M(p_{\rm T})_m$, which quantifies the correlations strength in units of the mean $p_{\rm T}$ in proton-proton collision at $\sqrt{s} = 13$ TeV in ALICE both for minimum bias and and high-multiplicity triggered events. [...]
arXiv:2505.15161. - 6 p, 6.
Fulltext

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2025-05-21
04:07
Forward dijet and vector meson production at the LHC / Royon, Christophe (Kansas U.) ; Penttala, Jani (Kansas U. ; UCLA) /ALICE Collaboration
We first describe the predictions concerning jet production in the very forward region, especially in the FOCAL kinematic region of the ALICE collaboration at CERN as a test of saturation. We also compare vector meson production cross sections at the LHC in Pb Pb and p Pb collisions with the Balitsky Fadin Kuraev Lipatov and the Balitsky Kovchegov evolution equations and data favor the observation of saturation at the LHC..
arXiv:2501.01521.- 2024-12-17 - 7 p. - Published in : PoS: ICHEP2024 (2025) , pp. 633
Fulltext: 2501.01521 - PDF; document - PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.633

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2025-05-16
07:11
15 years young: The ALICE TOF detector in the LHC Run 3 / Strazzi, Sofia (INFN, Bologna ; Bologna U.) /ALICE Collaboration
The ALICE Time Of Flight (TOF) detector consists of 1593 Multigap Resistive Plate Chambers (MRPCs) operating with a mixture of Freon (93%) and SF6 (7%), covering a total active area of about 140 m2 and accounting for more than 150,000 readout channels. During the latest LHC shutdown, the detector underwent a major upgrade of its readout, allowing for continuous data taking and, therefore, fully exploiting the increased luminosity provided by the LHC in Pb–Pb collisions. [...]
2025 - 7 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1077 (2025) 170521
In : 17th International Conference on Resistive Plate Chambers and Related Detectors, Santiago de Compostela, 09 - 13 Sep 2024, pp.170521

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2025-05-14
07:01
Studies of F- impurities formation in ALICE MID RPC detectors: A comparison between LHC RUN2 and LHC RUN3 / Verzeroli, Mattia (IP2I, Lyon) ; Arena, Maria Cristina (Pavia U.) ; Ferretti, Alessandro (U. Turin (main) ; INFN, Turin) ; Gagliardi, Martino (U. Turin (main) ; INFN, Turin) ; Guida, Roberto (CERN) ; Mandelli, Beatrice (CERN) ; Quaglia, Luca (INFN, Turin) ; Rigoletti, Gianluca (CERN) ; Terlizzi, Livia (U. Turin (main) ; INFN, Turin)
The ALICE Muon Identifier (MID) system consists of 72 single-gap Resistive Plate Chamber (RPC) detectors, operated with a gas mixture of C2H2F4, iC4H10, and SF6 at a ratio of 89.7%/10%/0.3%, along with 37% of relative humidity. The combined effects of background irradiation and the electric field within the detector’s gas gap, together with the high concentration of fluorinated gases used, result in the production of F− ions and F-based impurities. [...]
2025 - Published in : Nucl. Instrum. Methods Phys. Res., A 1076 (2025) 170515
In : 17th International Conference on Resistive Plate Chambers and Related Detectors, Santiago de Compostela, 09 - 13 Sep 2024, pp.170515

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