CERN Accelerating science

ALICE Conference Contributions

最近の追加:
2024-02-06
04:17
The O2 software framework and GPU usage in ALICE online and offline reconstruction in Run 3 / Eulisse, Giulio ; Rohr, David
ALICE has upgraded many of its detectors for LHC Run 3 to operate in continuous readout mode recording Pb--Pb collisions at 50 kHz interaction rate without trigger. [...]
arXiv:2402.01205.
- 12 p.
Fulltext

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2024-01-29
06:01
Thermal radiation and direct photon production measurements with dielectrons in Pb–Pb and pp collisions / Murakami, Hikari (Tokyo U., CNS) /ALICE Collaboration
The latest ALICE results on dielectron measurements in Pb–Pb collisions at √SNN = 5.02 TeV, and in minimum-bias (MB) and high-multiplicity (HM) pp collisions at √S = 13 TeV with LHC Run 2 data are reported. The results are compared to the predictions of dielectron yields from known hadronic sources and thermal radiation from the medium. [...]
2023 - 4 p. - Published in : EPJ Web Conf. 276 (2023) 06011 Fulltext: PDF;
In : The 20th International Conference on Strangeness in Quark Matter (SQM 2022), Busan, Korea, 13 - 17 Jun 2022, pp.06011

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2024-01-29
06:00
Heavy-flavour jet properties and correlations from small to large systems measured by ALICE / Oliveira da Silva, Antonio Carlos (Tennessee U.) /ALICE Collaboration
The early production of heavy-flavour partons makes them an excellent probes for investigating the evolution of QCD systems. Jets tagged by the presence of a heavy-flavour hadron give access to the kinematics of the heavy partons and allow for comparisons of their production, propagation and fragmentation across different systems. [...]
2023 - 4 p. - Published in : EPJ Web Conf. 276 (2023) 02007 Fulltext: PDF;
In : The 20th International Conference on Strangeness in Quark Matter (SQM 2022), Busan, Korea, 13 - 17 Jun 2022, pp.02007

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2024-01-29
06:00
$\psi$(2S) production and nuclear modification factor in nucleus–nucleus collisions with ALICE / Hushnud, H (Aligarh Muslim U.) /ALICE Collaboration
Charmonium production is sensitive to deconfinement in nucleusnucleus collisions. The production via regeneration within the QGP or at the phase boundary has been identified as an important ingredient for the description of the centrality and transverse momentum dependence ($p$T) of the J/ψ nuclear modification factor ($R$AA) at the LHC. [...]
2023 - 4 p. - Published in : EPJ Web Conf. 276 (2023) 02002 Fulltext: PDF;
In : The 20th International Conference on Strangeness in Quark Matter (SQM 2022), Busan, Korea, 13 - 17 Jun 2022, pp.02002

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2024-01-29
06:00
Measurements of quarkonium production and polarization in Pb–Pb collisions with ALICE / Bai, Xiaozhi (CUST, SKLPDE) /ALICE Collaboration
Quarkonia are excellent probes of deconfinement in heavy-ion collisions. For J/ψ, a bound state of cc¯ quarks, the (re-)generation is found to be the dominant production mechanism at the LHC energies. [...]
2023 - 4 p. - Published in : EPJ Web Conf. 276 (2023) 02015 Fulltext: PDF;
In : The 20th International Conference on Strangeness in Quark Matter (SQM 2022), Busan, Korea, 13 - 17 Jun 2022, pp.02015

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2024-01-27
04:32
The limits of QGP-like effects towards smaller systems: from Pb-Pb down to pp and fixed-target collisions / Jacazio, Nicolò /ALICE Collaboration
Experimental findings of recent years blurred the frontier between large and small systems. The features attributed to the Quark Gluon Plasma formation have also been found in smaller systems when measuring particle production in high multiplicity events. [...]
arXiv:2401.13745.- 2024-01-25 - 6 p. - Published in : PoS: LHCP2023 (2024) , pp. 211
Fulltext: 2401.13745 - PDF; document - PDF;
In : 11th Large Hadron Collider Physics Conference 2023, Belgrade, Serbia, 22 - 26 May 2023, pp.211

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2024-01-26
06:45
Measuring $\mu_b$ at the LHC with ALICE via antiparticle-over-particle ratios / Ciacco, M (INFN, Turin ; Turin Polytechnic) /ALICE Collaboration
The baryon chemical potential µB is a fundamental parameter for the statistical mechanical description of particle production in heavy-ion collisions: its value encodes the average net baryon content of the fireball at chemical freeze-out. The first µB measurement in high-energy Pb-Pb collisions at the LHC was published in 2018 in Nature, and it was found that µB = 0.7 ± 3.8MeV. In this contribution, an improved µB measurement based on the study of antiparticle-to-particle ratios for protons, 3He and hypertriton (3 .H) using the data collected by ALICE in Run 2 of the LHC, is presented. [...]
2023 - 7 p. - Published in : Nuovo Cimento C 46 (2023) 55
In : 108th Congresso Nazionale della Societa Italiana di Fisica (SIF 2022), Milan, Italy, 12 - 16 Sep 2022, pp.55

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2024-01-26
06:45
Performance of Monolithic Analog Pixel Test Structure with Operational Amplifier / Ferrero, C (INFN, Turin ; Turin U.) /ALICE Collaboration
The ALICE Collaboration at CERN foresees to replace, during the LHC LS3, the innermost three layers of the ALICE Inner Tracking System (ITS2) with a new vertex detector composed of bent and ultra-thin monolithic silicon sensors. In this work, the preliminary performance studies of the Analog Pixel Test Structure with an Operational Amplifier output buffer (APTS OPAMP), produced in the 65 nm TowerJazz Panasonic Semiconductor Company (65 nm TPSCo) process, are presented. [...]
2023 - 4 p. - Published in : Nuovo Cimento C 46 (2023) 94 Fulltext: PDF;
In : 108th Congresso Nazionale della Societa Italiana di Fisica (SIF 2022), Milan, Italy, 12 - 16 Sep 2022, pp.94

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2024-01-26
04:07
First study of the initial gluonic fluctuations using UPCs with ALICE / Matyja, Adam Tomasz
Incoherent and dissociative J/$\psi$ photoproduction is sensitive to fluctuations of the gluonic structure of the target. [...]
arXiv:2401.13340.
- 4 p.
Fulltext

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2024-01-24
09:40
Probing the hadronic phase of large hadronizing system through the study of the $\Lambda$(1520) resonance with ALICE at the LHC / Agrawal, Neelima (Bologna U. ; INFN, Bologna) /ALICE Collaboration
The measurement of hadronic resonance production in heavy-ion collisions at the LHC has led to observing a prolonged hadronic phase after hadronization. Due to their short lifetimes, resonances experience the competing effects of regeneration and rescattering of their decay products in the hadronic medium. Studying how these processes affect the experimentally measured yields can extend the current understanding of the properties of the hadronic phase and the mechanisms that determine the shape of particle pT spectra. [...]
2023 - 4 p. - Published in : Nuovo Cimento C 46 (2023) 81 Fulltext: PDF;
In : 108th Congresso Nazionale della Societa Italiana di Fisica (SIF 2022), Milan, Italy, 12 - 16 Sep 2022, pp.81

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