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ALICE Conference Contributions

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2025-10-21
06:45
ML-based classification of photons and neutral mesons for Pb–Pb collisions recorded by ALICE / Nath, Abhishek (U. Heidelberg (main)) /ALICE Collaboration
Direct photons are unique probes to study and characterize the quark-gluon plasma (QGP) as they are produced at all stages of heavy-ion collisions and leave the collision medium practically unscathed. Measurements at top Large Hadron Collider (LHC) energies at low pT reveal a very small thermal photon signal accompanied by considerable systematic uncertainties [...]
2025 - 8 p. - Published in : EPJ Web Conf. 337 (2025) 01137 Fulltext: PDF;
In : 27th International Conference on Computing in High Energy & Nuclear Physics (CHEP2024), Kraków, Poland, 19 - 25 Oct 2024, pp.01137

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2025-10-14
20:37
Multimuon events from cosmic rays in ALICE / Alessandro, Bruno (INFN, Turin) /ALICE Collaboration
ALICE experiment at CERN Large Hadron Collider, located 52 meters underground, carried outa cosmic data-taking campaign in the period 2015–2018 corresponding to 62.5 days of live time.In this work the analysis of these data is limited to multimuon events defined as events with morethan four detected muons. In particular the muon multiplicity distribution (MMD) is studied inthe low-intermediate multiplicity (4 < 𝑁 𝜇 < 50), corresponding on average to primary energyfrom 4 PeV up to 60 PeV. [...]
2025 - 8 p. - Published in : PoS ICRC2025 (2025) 171 Fulltext: PDF;
In : 39th International Cosmic Ray Conference (ICRC 2025), Geneva, Switzerland, 14 - 24 Jul 2025, pp.171

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2025-10-02
10:49
ALICE at the LHC and astrophysics: From providing input for the search for antinuclei in space to constraining the equation of state of neutron stars / Kalweit, Alexander (CERN) /ALICE Collaboration
The ALICE experiment at the LHC was originally designed to study the creation of the quark-gluon-plasma in heavy-ion collisions, a new state of matter in which quarks and gluons are not confined into hadrons. More recently, the versatility of both the Large Hadron Collider and the ALICE apparatus have given additionally access to a unique set of nuclear and hadronic physics measurements. [...]
SciPost Phys. Proc. 13, 022.- 2023 - 9 p. - Published in : SciPost Phys. Proc. 13 (2023) 022 Fulltext: PDF;
In : 21st International Symposium on Very High Energy Cosmic Ray Interactions, Online, 23 - 28 May 2022, pp.022

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2025-09-18
04:07
Quarkonia collectivity in large collision systems with ALICE / Zhang, Chi (IRFU, Saclay, DPHN)
Quarkonium production is one of the golden probes to study the quark--gluon plasma (QGP). [...]
arXiv:2509.06240. - 4.
Fulltext

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2025-08-27
12:31
ALICE Inner Tracking System upgrade, ITS3: characterization of first chips fabricated in 65 nm CMOS technology / Trifirò, A. (Messina U. ; INFN, Catania) /ALICE Collaboration
The Inner Tracking System of ALICE (A Large Ion Collider Experiment) will undergo a major upgrade during the next Long Shutdown of the LHC aimed at enhancing the tracking capability [1]. In particular, the three innermost sectors of the current vertex tracker will be replaced by truly cylindrical layers produced by using curved (wafer-scale) silicon sensors thinner than 50 μm, based on monolithic active pixel structures realised in a 65 nm CMOS process. [...]
PoS (TIPP2023) 076.- 2025 - 6 p. - Published in : PoS TIPP2023 (2025) 076 Fulltext: PDF;
In : 6th International Conference on Technology and Instrumentation in Particle Physics (TIPP 2023), Cape Town, Western Cape, South Africa, 4 - 8 Sep 2023, pp.076

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2025-08-27
12:31
ITS3: the ALICE Inner Tracking System upgrade / Sarritzu, V. (CERN ; Cagliari U. ; INFN, Cagliari) /ALICE Collaboration
The ALICE experiment at CERN is developing an upgrade to its vertexing detector in order to improve the impact parameter resolution at low transverse momenta, with a target timeline for installation during the third long shutdown of the LHC (2026–28). The concept consists in replacing the three innermost layers with wafer-scale monolithic active pixel sensors bent into truly cylindrical sensors wrapped around the beam pipe. [...]
PoS TIPP2023 (2025) 126.- 2025 - 8 p. - Published in : PoS TIPP2023 (2025) 126 Fulltext: PDF;
In : 6th International Conference on Technology and Instrumentation in Particle Physics (TIPP 2023), Cape Town, Western Cape, South Africa, 4 - 8 Sep 2023, pp.126

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2025-08-22
23:33
ALICE - ITS3 — A bent, wafer-scale CMOS detector / Kluge, A (CERN) /ALICE Collaboration
During the LHC Long Shutdown 3, ALICE is upgrading its inner three silicon tracker layers with a bent wafer-scale monolithic pixel detector, the ITS3. Each layer comprises only two wafer-scale sensors, 27 cm long, 50μm thick, bent to concentric half-layers around the beam pipe (radii: 19, 25, 32 mm) supported by carbon foam stiffeners. [...]
2025 - 4 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1082 (2026) 170722
In : 17th Vienna Conference on Instrumentation (VCI2025), Vienna, Austria, 17 - 21 Feb 2025, pp.170722

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2025-08-20
06:06
Characterisation of small scale MLR1 devices for ALICE ITS3 / Sturniolo, Alessandro (Messina U. ; INFN, Catania) /ALICE Collaboration
During the upcoming Long Shutdown 3 (scheduled for 2026–2029), the ALICE Inner Tracking System (ITS), currently at its second version (ITS2), will be further upgraded to ITS3. After the upgrade, the 3 innermost ITS2 layers (Inner Barrel, or IB) will be replaced by 3 flexible, truly cylindrical layers of stitched large-scale MAPS, produced with the TPSCo 65 nm technology. [...]
2025 - 6 p. - Published in : JINST 20 (2025) C08015 Fulltext: PDF;
In : 11th International Workshop on Semiconductor Pixel Detectors for Particles and Imaging (PIXEL 2024), Strasbourg, France, 18 - 22 Nov 2024, pp.C08015

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2025-08-14
07:38
Measurement of the impact-parameter dependent azimuthal anisotropy in coherent ρ0 photoproduction with ALICE / Riffero, Andrea G (INFN, Turin ; U. Turin (main)) /ALICE Collaboration
Coherent vector meson photoproduction in ultraperipheral heavy-ion collisions is a well established tool to probe the gluon structure of the colliding nuclei. We will focus on the observation of quantum interference effects in the ρ 0 meson photoproduction, in the form of angular anisotropy [...]
2024 - 9 p. - Published in : Phys. Proc. UPC 1 (2024) 7 Fulltext: PDF;
In : 1st International Workshop on the physics of Ultra Peripheral Collisions (UPC 2023), Playa del Carmen, Mexico, 11 - 15 Dec 2023, pp.7

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2025-08-12
08:56
Recent developments in open heavy-flavour physics: ALICE highlights / Sadhu, Samrangy (Bonn U.) /ALICE Collaboration
Recent progress in open heavy-flavour physics has enhanced our understanding of charm and beauty quark behaviour in the hot and dense medium created in ultrarelativistic heavy-ion collisions. The ALICE experiment at the LHC has played a leading role, delivering precision measurements that probe the Quark–Gluon plasma (QGP). [...]
2025 - 3 p. - Published in : J. Subatomic Part. Cosmol. 4 (2025) 100140
In : The 10th Asian Triangle Heavy-Ion Conference, Berhampur, Odisha, India, 13 - 16 Jan 2025, pp.100140

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