CERN Accelerating science

CERN Document Server Намерени са 162 записа  1 - 10следващкрай  отиване на запис: Търсенето отне 0.72 секунди. 
1.
Search for Quasiparticle Scattering in the Quark-Gluon Plasma with Jet Splittings in pp and Pb-Pb Collisions at sNN=5.02  TeV / ALICE Collaboration
The ALICE Collaboration reports measurements of the large relative transverse momentum (kT) component of jet substructure in pp and Pb-Pb collisions at center-of-mass energy per nucleon pair sNN=5.02  TeV. Enhancement in the yield of such large-kT emissions in head-on Pb-Pb collisions is predicted to arise from partonic scattering with quasiparticles of the quark-gluon plasma. [...]
2025 - 17 p. - Published in : Phys. Rev. Lett. 135 (2025) 031901 Fulltext: PDF;
2.
The $v^{1/3}_{3}/v^{1/2}_{2}$ ratio in PbAu collisions at $\sqrt{s_{\textrm{NN}}} = $ 17.3 GeV: a hint of a hydrodynamic behavior / CERES NA45 Collaboration
The Fourier harmonics, $v_2$ and $v_3$ of negative pions are measured at center-of-mass energy per nucleon pair of $\sqrt{s_{\mathrm{NN}}}$= 17.3 GeV around midrapidity by the CERES/NA45 experiment at the CERN SPS in 0--30% central PbAu collisions with a mean centrality of 5.5%. The analysis is performed in two centrality bins as a function of the transverse momentum $\mathrm{p_{\mathrm{T}}}$ from 0.05 GeV/$c$ to more than 2 GeV/$c$. [...]
arXiv:2402.10895.- 2024-10-21 - 8 p. - Published in : Eur. Phys. J. C Fulltext: 2402.10895 - PDF; document - PDF;
3.
Dielectrons at the LHC: Chances and challenges / Appelshäuser, Harald (Frankfurt U.) /ALICE Collaboration
Dielectrons are unique observables in ultra-relativistic heavy-ion collisions. Thanks to their penetrating nature, they carry information from all stages of the collision and can provide knowledge about pre-equilibirium dynamics, QGP temperature and transport coefficients, and chiral symmetry restoration. [...]
arXiv:2404.15064.- 2024-01 - 8 p. - Published in : Nuovo Cimento C 48 (2024) 25 Fulltext: 2404.15064 - PDF; document - PDF;
In : 16th Workshop on Particle Correlations and Femtoscopy (WPCF 2023), Catania, Italy, 6 - 10 Nov 2023, pp.25
4.
Signal shapes in multiwire proportional chamber-based TPCs / ALICE TPC Collaboration
A large-volume Time Projection Chamber (TPC) is the main tracking and particle identification (PID) detector of the ALICE experiment at the CERN LHC. PID in the TPC is performed via specific energy-loss measurements (dE/dx), which are derived from the average pulse-height distribution of ionization generated by charged-particle tracks traversing the TPC volume. [...]
arXiv:2312.13781.- 2024-02-27 - 15 p. - Published in : JINST 19 (2024) P02038 Fulltext: 2312.13781 - PDF; document - PDF;
5.
Correction of the baseline fluctuations in the GEM-based ALICE TPC / ALICE TPC Collaboration
To operate the ALICE Time Projection Chamber in continuous mode during the Run~3 and Run~4 data-taking periods of the Large Hadron Collider, the multi-wire proportional chamber-based readout was replaced with gas-electron multipliers. As expected, the detector performance is affected by the so-called common-mode effect, which leads to significant baseline fluctuations. [...]
arXiv:2304.03881.- 2023-11-24 - 30 p. - Published in : JINST 18 (2023) P11021 Fulltext: 2304.03881 - PDF; document - PDF;
6.
Deep neural network techniques in the calibration of space-charge distortion fluctuations for the ALICE TPC / Gorbunov, Sergey (Frankfurt U., FIAS) ; Hellbär, Ernst (Darmstadt, GSI) ; Innocenti, Gian Michele (CERN) ; Ivanov, Marian (Darmstadt, GSI) ; Kabus, Maja (Warsaw U. of Tech.) ; Kleiner, Matthias (Frankfurt U., Inst. Kernphys.) ; Riaz, Haris (NUST, Islamabad) ; Rohr, David (CERN) ; Sadikin, Rifki (Tangerang, Indonesian Inst. Phys.) ; Schweda, Kai (Darmstadt, GSI) et al.
The Time Projection Chamber (TPC) of the ALICE experiment at the CERN LHC was upgraded for Run 3 and Run 4. Readout chambers based on Gas Electron Multiplier (GEM) technology and a new readout scheme allow continuous data taking at the highest interaction rates expected in Pb-Pb collisions. [...]
2021 - 10 p. - Published in : EPJ Web Conf. 251 (2021) 03020 Fulltext: PDF;
In : 25th International Conference on Computing in High-Energy and Nuclear Physics (CHEP), Online, Online, 17 - 21 May 2021, pp.03020
7.
Dielectron production at midrapidity at low transverse momentum in peripheral and semi-peripheral Pb–Pb collisions at $ {\sqrt{s}}_{\textrm{NN}} $ = 5.02 TeV / ALICE Collaboration
The first measurement of the ${\rm e}^{+}{\rm e}^{-}$ pair production at low lepton pair transverse momentum ($p_{\rm T,ee}$) and low invariant mass ($m_{\rm ee}$) in non-central Pb$-$Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV at the LHC is presented. The dielectron production is studied with the ALICE detector at midrapidity ($|\eta_{\rm e}| < 0.8$) as a function of invariant mass ($0.4 \leq m_{\rm ee} < 2.7$ GeV/$c^2$) in the 50$-$70% and 70$-$90% centrality classes for $p_{\rm T,ee} < 0.1$ GeV/$c$, and as a function of $p_{\rm T,ee}$ in three $m_{\rm ee}$ intervals in the most peripheral Pb$-$Pb collisions. [...]
arXiv:2204.11732; CERN-EP-2022-068.- 2023-06-05 - 19 p. - Published in : JHEP 2306 (2023) 024 Draft (restricted): PDF; Fulltext: 2204.11732 - PDF; document - PDF;
8.
Underlying-event properties in pp and p–Pb collisions at $ \sqrt{s_{\textrm{NN}}} $ = 5.02 TeV / ALICE Collaboration
We report about the properties of the underlying event measured with ALICE at the LHC in pp and p$-$Pb collisions at $\sqrt{s_{\rm NN}}=5.02$ TeV. The event activity, quantified by charged-particle number and summed-$p_{\rm T}$ densities, is measured as a function of the leading-particle transverse momentum ($p_{\rm T}^{\rm trig}$). [...]
arXiv:2204.10389; CERN-EP-2022-041.- 2023-06-05 - 26 p. - Published in : JHEP 2306 (2023) 023 Draft (restricted): PDF; Fulltext: 2204.10389 - PDF; document - PDF;
9.
Direct observation of the dead-cone effect in quantum chromodynamics / ALICE Collaboration
At particle collider experiments, elementary particle interactions with large momentum transfer produce quarks and gluons (known as partons) whose evolution is governed by the strong force, as described by the theory of quantum chromodynamics (QCD) [1]. The vacuum is not transparent to the partons and induces gluon radiation and quark pair production in a process that can be described as a parton shower [2]. [...]
arXiv:2106.05713; CERN-EP-2021-107.- 2022-05-18 - 20 p.
- Published in : Nature Draft (restricted): PDF; Fulltext: 2106.05713 - PDF; document - PDF; Erratum - PDF; Publication - PDF; External link: Interactions.org article
10.
The upgrade of the ALICE TPC with GEMs and continuous readout / ALICE TPC Collaboration
The upgrade of the ALICE TPC will allow the experiment to cope with the high interaction rates foreseen for the forthcoming Run 3 and Run 4 at the CERN LHC. In this article, we describe the design of new readout chambers and front-end electronics, which are driven by the goals of the experiment. [...]
arXiv:2012.09518.- 2021-03-15 - 87 p. - Published in : JINST Fulltext: PDF;

CERN Document Server : Намерени са 162 записа   1 - 10следващкрай  отиване на запис:
Виж също: автори с подобни имена
71 Appelshauser, H.
47 Appelshauser, Harald
70 Appelshäuser, H
71 Appelshäuser, H.
47 Appelshäuser, Harald
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