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[PDF] Top 20 The ALICE Analysis Framework for LHC Run 3

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The ALICE Analysis Framework for LHC Run 3

The ALICE Analysis Framework for LHC Run 3

... The compression algorithm used is LZ4, using the “default” compression level, the recommended one as it represents a good compromise between speed and compressed size[18]. Recent ROOT versions use it by default as a ... See full document

9

Pion femtoscopy measurements in ALICE at the LHC

Pion femtoscopy measurements in ALICE at the LHC

... femtoscopic analysis was performed using both the Spherical Harmonics decomposition and the standard 3D Cartesian representation of the correlation ...The ALICE Pb–Pb HBT radii are also compared to the pp ... See full document

7

Overview of results from ALICE at the CERN LHC

Overview of results from ALICE at the CERN LHC

... the LHC heavy–ion program [4, 5] provided additional evidence related to the existence of this new state of matter at this new energy ...the analysis of Pb–Pb collisions at √ s NN = ...the ALICE ... See full document

12

Event reconstruction and particle identification in the ALICE experiment at the LHC

Event reconstruction and particle identification in the ALICE experiment at the LHC

... The offline event reconstruction is software. This software “converts” the raw data into the Event Summary Data (ESD). The raw data are files containing encoded quantities like particle hit positions, times stamps, measured ... See full document

9

Heavy­flavour measurements in Pb­Pb collisions with ALICE at the LHC

Heavy­flavour measurements in Pb­Pb collisions with ALICE at the LHC

... D ∗ + meson decays strongly at the primary vertex. The D meson yields were measured with an invariant mass analysis of fully reconstructed decay vertices, selected by means of topological cuts and particle ... See full document

5

Non prompt D-meson measurements with ALICE at the LHC

Non prompt D-meson measurements with ALICE at the LHC

... D + s → φπ + → K − K + π + (BR = 2.24 ± 0.1%) [4]. The D 0 , D + , and D + s mesons decay weakly with mean proper decay lengths (cτ) of about 123, 312 and 150 μm [4], respectively. The analysis strategy is based ... See full document

5

Light (hyper-)nuclei production at the LHC measured with ALICE

Light (hyper-)nuclei production at the LHC measured with ALICE

... In this section the particle identification (PID) detectors relevant for the analysis presented in this contribution are briefly described. A detailed review of the ALICE experiment and its PID capabilities ... See full document

8

Gpu-Based Online Track Reconstruction for the Alice Tpc in Run 3 With Continuous Read-Out

Gpu-Based Online Track Reconstruction for the Alice Tpc in Run 3 With Continuous Read-Out

... In LHC Run 3, ALICE will increase the data taking rate signifi- cantly to 50 kHz continuous read-out of minimum bias Pb–Pb ...shall run online, processing 50 times more collisions per ... See full document

8

Production of Σ0 Hyperons at LHC with ALICE

Production of Σ0 Hyperons at LHC with ALICE

... invariant-mass analysis of its decays products in the preva- lent (almost 100% branching fraction) electromagnetic decay channel Σ 0 (Σ 0 ) → Λ (Λ ) + γ ...the ALICE capabilities in reconstructing the ... See full document

8

First Run II results from ALICE

First Run II results from ALICE

... proton-proton collisions, and a small pile-up probability (10 −3 ). The data were collected using a minimum-bias trigger requiring a hit in either the V0 scintillators or in the AD arrays. After removing ... See full document

6

Evolution of the ALICE Software Framework for Run 3

Evolution of the ALICE Software Framework for Run 3

... of ALICE in Run 3, taking input from a ROOT file produced by the simulation step and producing in output ROOT files with the digits for each ...the Framework team and shows that the DPL is ... See full document

7

Heavy-flavour measurements in proton-proton collisions with ALICE at the LHC

Heavy-flavour measurements in proton-proton collisions with ALICE at the LHC

... The production of heavy flavours was measured in pp col- lisions at √ s = 7 TeV and √ s = 2.76 TeV in hadronic channels as well as in semi-leptonic channels by ALICE. The various measurements show a good agreement ... See full document

5

Particle production in p–Pb collisions with ALICE at the LHC

Particle production in p–Pb collisions with ALICE at the LHC

... The ALICE approach aims to a centrality selection with minimal bias and, therefore, uses the signal in the Zero Degree Calorimeter (ZNA). In this case we cannot establish a direct connection using a well ... See full document

8

Hadronic resonance production measured by the ALICE detector at LHC energies

Hadronic resonance production measured by the ALICE detector at LHC energies

... The ratios of resonances to stable hadrons have been measured and compared in different col- lision systems. The K ∗0 /K − is suppressed in central Pb–Pb collisions, consistent with dominant re-scattering of K ∗0 decay ... See full document

7

ALICE results on heavy-flavour and quarkonium production at the LHC

ALICE results on heavy-flavour and quarkonium production at the LHC

... Fig. 3, the nuclear modification factor of inclusive J/ψ ...the LHC is displayed as a func- tion of collision centrality and compared to the results ob- tained by PHENIX at ...the LHC than at RHIC. ... See full document

5

Light flavour hadron production in the ALICE experiment at LHC

Light flavour hadron production in the ALICE experiment at LHC

... the LHC experiments, ALICE has excellent particle identification capabilities for the measurement of light-flavour ...main ALICE results on identified light-flavour hadron pro- duction in Pb–Pb ... See full document

6

Strange and identified particle production with ALICE at the LHC

Strange and identified particle production with ALICE at the LHC

... is considered as a signature of a stronger radial flow at LHC energies. Comparisons with predictions from hydrodynamic calculations, based on the same models used for π, K and p (VISH2+1 [18], HKM [19], Kraków [20] ... See full document

12

Open-charm production measurements with ALICE at the LHC

Open-charm production measurements with ALICE at the LHC

... The nuclear modification factor in Pb–Pb collisions, R AA , shows a significant suppression for p T > 3 GeV/c in both the 0–10% and 30–50% centrality classes; in particular a larger suppression is observed for ... See full document

7

Impact of LHC Run-1 on particle astrophysics

Impact of LHC Run-1 on particle astrophysics

... • Collider searches through DM (pair) production in the final state (e.g. p p → χ χ + X sm ). The typical DM collider signature is large missing transverse energy (MET) from undetected LSP coming from the decay cascade ... See full document

7

J/ψ Measurements with the ALICE Experiment at the LHC

J/ψ Measurements with the ALICE Experiment at the LHC

... The same measurement has been performed for pp collisions at √ s = 2.76 TeV, although in the di-electron case based only on a limited integrated luminosity due to the brevity of the run (1.1 nb −1 for J/ψ → e + e ... See full document

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