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ALICE Conference Contributions

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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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2025-08-08
06:12
Design and first experience of the prototype pixel layers for the ALICE FoCal / Bodova, Tea (Bergen U.) ; Alme, Johan (Bergen U.) ; Borshchov, Viatcheslav (Kharkov Natl. U.) ; van den Brink, Anthony (Utrecht U. ; Nikhef, Amsterdam) ; Groettvik, Ola (CERN) ; Protsenko, Maksym (Kharkov Natl. U.) ; Röhrich, Dieter (Bergen U.) ; Tymchuk, Ihor (Kharkov Natl. U.) ; Ullaland, Kjetil (Bergen U.) ; Yang, Shiming (Bergen U.) /ALICE Collaboration
The University of Bergen is involved in developing two calorimeters: the pixel section ofthe Electromagnetic Forward Calorimeter for the ALICE Upgrade to be installed during LS3 fordata-taking in the period 2029–2032 and the Digital Tracking Calorimeter for the proton ComputedTomography prototype. Both designs utilize pixel sensors and require a reliable connection to thereadout which is positioned approximately 5 meters away. [...]
2024 - 6 p. - Published in : JINST 19 (2024) C01033
In : Topical Workshop on Electronics for Particle Physics 2023 (TWEPP 2023), Geremeas, Sardinia, Italy, 1 - 6 Oct 2023, pp.C01033

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2025-08-06
06:11
Insight into the light-flavour particle production mechanism from studies of the transverse spherocity dependence in pp collisions at $\sqrt{s}$ =13 TeV with ALICE at the LHC / Rath, Rutuparna (INFN, Bologna) /ALICE Collaboration
The Large Hadron Collider (LHC) Run 1 and Run 2 data revealed heavy-ion-like features such as enhanced strangeness production and long-range azimuthal correlation in high-multiplicity pp collisions paving the way to rethink particle production in small collision systems. Event shape observables like transverse spherocity are sensitive to isotropic and jet-like topologies, which are useful tools to distinguish the pp collisions dominated by soft or hard physics. [...]
2024 - 4 p. - Published in : EPJ Web Conf. 291 (2024) 02008 Fulltext: PDF;
In : 17th International Workshop on Meson Physics, Kraków, Poland, 22 - 27 Jun 2023, pp.02008

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2025-08-01
06:02
Constraining hadronization processes with charmed baryons in pp and p–Pb collisions with ALICE / Seo, Jinjoo (Inha U.) /ALICE Collaboration
The latest measurements of D0, D+ and Ds+ mesons with the final measurements of Λc+,Ξc0,+, Σc0,++, and the first measurement of Ωcc baryons performed with the ALICE detector at midrapidity in pp collisions √S = 5.02 TeV and √S = 13 TeV are presented. Furthermore, the recent Λc+/D0 yield ratio, measured down to pT = 0 in p-Pb collisions are discussed. [...]
2023 - 4 p. - Published in : EPJ Web Conf. 276 (2023) 02005 Fulltext: PDF;
In : The 20th International Conference on Strangeness in Quark Matter (SQM 2022), Busan, Korea, 13 - 17 Jun 2022, pp.02005

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2025-07-31
06:15
Charm production: Constraint to transport models and charm diffusion coefficient with ALICE / Völkl, Martin (Heidelberg U.) /ALICE Collaboration
New measurements of D mesons with the ALICE detector, interpreted with theoretical models, can give additional information about the spatial diffusion coefficient, a characteristic of the QGP medium. The relevant ingredients to the models can be assessed by comparing the predictions with diverse measurements of charmed hadrons. [...]
2023 - 4 p. - Published in : EPJ Web Conf. 276 (2023) 02004 Fulltext: PDF;
In : The 20th International Conference on Strangeness in Quark Matter (SQM 2022), Busan, Korea, 13 - 17 Jun 2022, pp.02004

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