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2025-01-14
06:59
New measurements of inclusive jet suppression and jet ν2 in Pb–Pb collisions at $\sqrt{s_{NN}}$ = 5.02 TeV with ALICE / Grünwald, Nadine Alice (Heidelberg U.) /ALICE Collaboration
We report measurements of the inclusive charged-particle jet yield in central Pb–Pb collisions at √SNN = 5.02 TeV. Uncorrelated background is suppressed by a novel mixed-event technique, enabling extension of the jet RAA measurement down to pT = 13.5 GeV/c, with kinematic overlap with RHIC jet measurements. [...]
2024 - 4 p. - Published in : EPJ Web Conf. 296 (2024) 11005 Fulltext: PDF;
In : 30th Conference on Ultra-Relativistic Nucleus-Nucleus Collisions (Quark Matter 2023), Houston, Texas, United States of America, 3 - 9 Sep 2023, pp.11005

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2025-01-14
06:59
Future facilities and instrumentation / Musa, Luciano (CERN)
Explorations in nuclear physics over the past forty years have significantly advanced our understanding of matter under extreme conditions. Studies at various energy scales, from the AGS to the LHC, have not only confirmed the existence of QGP but also initiated its detailed and meticulous characterization. [...]
2024 - 6 p. - Published in : EPJ Web Conf. 296 (2024) 01033 Fulltext: PDF;
In : 30th Conference on Ultra-Relativistic Nucleus-Nucleus Collisions (Quark Matter 2023), Houston, Texas, United States of America, 3 - 9 Sep 2023, pp.01033

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2025-01-14
06:59
Understanding the properties of the fireball with the polarization signature of thermal dileptons / Seck, Florian (Darmstadt, Tech. U.) ; Friman, Bengt (Darmstadt, GSI ; Darmstadt, Tech. U.) ; Galatyuk, Tetyana (Darmstadt, GSI ; Darmstadt, Tech. U.) ; van Hees, Hendrik (Frankfurt U. ; Helmholtz Res. Acad. Hesse for FAIR) ; Speranza, Enrico (CERN) ; Rapp, Ralf (Texas A-M) ; Wambach, Jochen (Darmstadt, Tech. U.)
Multi-differential measurements of dilepton spectra serve as a unique tool to characterize the properties of matter in the interior of the hot and dense fireball created in heavy-ion collisions. An important property of virtual photons is their spin polarization defined in the rest frame of the virtual photon with respect to a chosen quantization axis. [...]
2024 - 4 p. - Published in : EPJ Web Conf. 296 (2024) 07009 Fulltext: PDF;
In : 30th Conference on Ultra-Relativistic Nucleus-Nucleus Collisions (Quark Matter 2023), Houston, Texas, United States of America, 3 - 9 Sep 2023, pp.07009

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2025-01-14
06:59
Large isospin symmetry violation in kaon production? / Brylinski, Wojciech (Warsaw U. of Tech. (main)) /NA61/SHINE Collaboration
The recent measurements of kaon production in Ar+Sc collisions at 75A GeV/c (√SNN = 11.94 GeV) performed by NA61/SHINE at the CERN SPS resulted in determining the ratio of charged to neutral kaons to be 1.26 ± 0.06. The result, well above unity, cannot be explained by models accounting for known isospin symmetry violating processes. [...]
2024 - 4 p. - Published in : EPJ Web Conf. 296 (2024) 12004 Fulltext: PDF;
In : 30th Conference on Ultra-Relativistic Nucleus-Nucleus Collisions (Quark Matter 2023), Houston, Texas, United States of America, 3 - 9 Sep 2023, pp.12004

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2025-01-14
06:59
Quarkonia production in ultra-peripheral PbPb collisions at LHCb / Wang, Xiaolin (South China Normal U.) /LHCb Collaboration
Quarkonia production in ultra-peripheral PbPb collisions at a nucleon-nucleon centre-of-mass energy of 5.02 TeV had been studied at LHCb using the 2015 and 2018 datasets, separately. While only J/ψ production studies could be done in 2015, thanks to the increased statistics of the 2018 data sample, ψ(2S) has been accessed as well..
2024 - 4 p. - Published in : EPJ Web Conf. 296 (2024) 17003 Fulltext: PDF;
In : 30th Conference on Ultra-Relativistic Nucleus-Nucleus Collisions (Quark Matter 2023), Houston, Texas, United States of America, 3 - 9 Sep 2023, pp.17003

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2025-01-14
05:05
Assessing the QGP speed of sound in ultra-central heavy-ion collisions with ALICE / Rueda, Omar Vazquez (Houston U. ; Valencia U., IFIC) /ALICE Collaboration
Ultrarelativistic heavy-ion collisions produce a state of hot, dense, strongly interacting QCD matter known as quark-gluon plasma (QGP). On an event-by-event basis, the volume of the QGP in ultra-central collisions is mostly constant, while its total entropy can vary significantly, leading to variations in the temperature of the system. [...]
arXiv:2409.20470.- 2024-12-17 - 6 p. - Published in : PoS ICHEP2024 (2025) 600 Fulltext: 2409.20470 - PDF; document - PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.600

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2025-01-11
06:11
Overview of the NA60+ experiment at the CERN SPS / Alocco, Giacomo (Cagliari U. ; INFN, Cagliari) /NA60+ Collaboration
NA60+ is a new experiment designed to study the phase diagram of the strongly interacting matter at CERN SPS energies, where the values of the baryochemical potential μB approximately range between 200 and 550 MeV. It is focused on precision studies of thermal dimuons, heavy quarks, and strangeness production in Pb–Pb collisions at center of mass energies ranging from 6 to 17 GeV per nucleon pair. [...]
2024 - 4 p. - Published in : EPJ Web Conf. 296 (2024) 08005 Fulltext: PDF;
In : 30th Conference on Ultra-Relativistic Nucleus-Nucleus Collisions (Quark Matter 2023), Houston, Texas, United States of America, 3 - 9 Sep 2023, pp.08005

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2025-01-11
06:11
Commissioning and first collisions with the LHCb SMOG2 system / Mariani, Saverio (CERN) /LHCb Collaboration
Owing to the injection of gas in the CERN LHC accelerator beampipe through the System for Measuring Overlap with Gas (SMOG), the LHCb experiment has been pioneering since 2015 fixed-target physics at the highest energy ever reached. Within the upgrade of the experiment, a confinement cell for the gas, SMOG2, and a new gas injection system were installed. [...]
2024 - 4 p. - Published in : EPJ Web Conf. 296 (2024) 08003 Fulltext: PDF;
In : 30th Conference on Ultra-Relativistic Nucleus-Nucleus Collisions (Quark Matter 2023), Houston, Texas, United States of America, 3 - 9 Sep 2023, pp.08003

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2025-01-11
06:11
ALICE Highlights / Arsene, Ionut Cristian (Oslo U.) /ALICE Collaboration
A summary including highlights of recent ALICE results, the status of the data taking in LHC Run 3 and of the ALICE detector upgrades is shown. The physics results are obtained mainly using the data recorded in pp, p–Pb and Pb–Pb during the LHC Run 2, but a set of results obtained in pp collisions with the Run 3 data is also discussed..
2024 - 6 p. - Published in : EPJ Web Conf. 296 (2024) 01001 Fulltext: PDF;
In : 30th Conference on Ultra-Relativistic Nucleus-Nucleus Collisions (Quark Matter 2023), Houston, Texas, United States of America, 3 - 9 Sep 2023, pp.01001

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2025-01-10
04:13
CMS Upgrades for the High-Luminosity LHC Era / Fernandez Perez Tomei, Thiago Rafael /CMS Collaboration
The High-Luminosity LHC (HL-LHC) era, set to begin in 2029, will provide the general-purpose experiments with an instantaneous luminosity of up to $\mathcal{L} = 7.5 \times 10^{34}$ cm$^{-2}$ s$^{-1}$ from pp collisions at a centre-of-mass energy of 14 TeV. To fully exploit this unprecedented data set, the experimental setups must be upgraded to withstand the challenging conditions of the HL-LHC, including up to 200 simultaneous collisions per bunch crossing and a substantial radiation dose delivered to the detectors. [...]
arXiv:2501.03412.- 2024-12-28 - 8 p. - Published in : PoS LHCP2024 (2025) 189 Fulltext: 2501.03412 - PDF; document - PDF;
In : 12th Edition of the Large Hadron Collider Physics Conference, Boston, United States, 3 - 7 Jun 2024, pp.189

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