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CERN Accelerating science

ALICE Conference Contributions

Ultimi arrivi:
2024-05-22
06:26
Measurements of HF-tagged jet substructure and energy-energy correlators with ALICE / Mazzilli, Marianna (Houston U.) /ALICE Collaboration
Properties of partonic fragmentation in quantum chromodynamics (QCD) depend on parton flavours in $1\rightarrow2$ splitting processes in parton showers due to the different Casimir factors of quarks and gluons, and to the different masses of light- and heavy-flavour quarks. Heavy-flavour jets provide a unique experimental tool to probe these flavour dependencies. [...]
2024 - 7 p. - Published in : PoS EPS-HEP2023 (2024) 262 Fulltext: PDF;
In : 2023 European Physical Society Conference on High Energy Physics (EPS-HEP2023), Hamburg, Germany, 20 - 25 Aug 2023, pp.262

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2024-05-22
06:25
Recent charmonium measurements in Pb–Pb collisions with ALICE / Sharma, Himanshu (INFN, Padua) /ALICE Collaboration
Charmonia are key probes to study nuclear matter in extreme conditions, like the quark--gluon plasma formed in heavy-ion collisions. At LHC energies, the regeneration process due to the abundantly produced charm quarks was found to considerably affect measured charmonium observables. [...]
2024 - 8 p. - Published in : PoS EPS-HEP2023 (2024) 211 Fulltext: PDF;
In : 2023 European Physical Society Conference on High Energy Physics (EPS-HEP2023), Hamburg, Germany, 20 - 25 Aug 2023, pp.211

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2024-05-22
06:25
Characterization of heavy-quark fragmentation via jets and correlations with ALICE / Kumar, Shyam (INFN, Bari) /ALICE Collaboration
Fragmentation functions are a key component of quantum chromodynamics (QCD) calculations based on the factorisation approach. They are typically determined from the analysis of electron\textendash positron ($\rm e^-e^+$) and electron\textendash proton ($\rm ep$) collision data. [...]
2024 - 6 p. - Published in : PoS EPS-HEP2023 (2024) 261 Fulltext: PDF;
In : 2023 European Physical Society Conference on High Energy Physics (EPS-HEP2023), Hamburg, Germany, 20 - 25 Aug 2023, pp.261

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2024-05-18
06:59
Coherent J/$\psi$ photoproduction and polarization in peripheral Pb-Pb collisions with ALICE / Mallick, Dukhishyam (IJCLab, Orsay) /ALICE Collaboration
Photonuclear reactions are induced by the strong electromagnetic field generated by ultrarelativistic heavy-ion collisions. These processes have been extensively studied in ultraperipheral collisions, in which the impact parameter is larger than twice the nuclear radius. [...]
2024 - 6 p. - Published in : PoS EPS-HEP2023 (2024) 212 Fulltext: PDF;
In : 2023 European Physical Society Conference on High Energy Physics (EPS-HEP2023), Hamburg, Germany, 20 - 25 Aug 2023, pp.212

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2024-05-18
06:59
Search for medium-induced jet quenching effects in small collision systems with ALICE / Ryu, Jaehyeok (Pusan Natl. U.) /ALICE Collaboration
Collisions of small systems show signatures suggestive of collective flow associated with QGP formation in heavy-ion collisions. Jet quenching is also a consequence of QGP formation, but no significant evidence of it in small systems has been found to date. [...]
2024 - 6 p. - Published in : PoS EPS-HEP2023 (2024) 249 Fulltext: PDF;
In : 2023 European Physical Society Conference on High Energy Physics (EPS-HEP2023), Hamburg, Germany, 20 - 25 Aug 2023, pp.249

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2024-05-08
06:49
K+K- photoproduction in ultra$-$peripheral Pb$--$Pb collisions / Kim, Minjung (UC, Berkeley ; SUNY, Stony Brook)
In ultra-peripheral collisions (UPCs) of relativistic heavy ions, photoproduction occurs when a photon emitted from one nucleus interacts with the other nucleus from the opposing beam, producing particles in the final state. [...]
arXiv:2405.02949.
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2024-04-30
05:12
Electrical/piezoresistive effects in bent Alpide MAPS / Rossewij, M.J. ; Okkinga, E.M. ; Naqvi, H.M. ; Barthel, R.G.E. ; Alving, S.R. /ALICE Collaboration
The ITS3 upgrade baseline design employs MAPS (Monolithic Active Pixel Sensor) in bent state. Bending experiments with the existing ITS2 MAPS (=Alpide chip) show it remains functional but with relative large analog supply current changes. [...]
arXiv:2403.12298.- 2024-04-24 - 9 p. - Published in : JINST 19 (2024) C04057 Fulltext: PDF;

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2024-04-09
04:57
Particle production and entropy measurement in ALICE / Hutson, Alek
One of the main goals in the study of hadronic interactions at LHC energies is the attempt to characterize the mechanisms involved in particle production in different regimes. [...]
arXiv:2404.03698.
- 4 p.
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2024-03-28
07:50
Particle identification with machine learning from incomplete data in the ALICE experiment / Karwowska, Maja ; Graczykowski, Łukasz ; Deja, Kamil ; Kasak, Miłosz ; Janik, Małgorzata
The ALICE experiment at the LHC measures properties of the strongly interacting matter formed in ultrarelativistic heavy-ion collisions. [...]
arXiv:2403.17436.
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2024-03-22
04:59
Experience gained about Resistive Plate Chambers ageing from the ALICE Muon TRigger/IDentifier detector / Ferretti, Alessandro
The ALICE Muon IDentifier is composed of 72 single-gap bakelite Resistive Plate Chambers, which have been operational since 2009 in maxi-avalanche mode (discrimination threshold:7 mV without amplification) with a Tetrafluoroethane/Isobutane/Sulfur Hexafluoride gas mixture, undergoing counting rates of the order of tens of Hz/cm^2. [...]
arXiv:2403.13618.
- 5 p.
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