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ATLAS Notes

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2025-09-08
17:42
Photon showers in the ATLAS fast calorimeter simulation: A voxelized dataset with minimized information loss and improved ML models
For the upcoming high luminosity runs at ATLAS, it is necessary to replace the full calorimeter simulation with the fast calorimeter simulation in almost all cases. [...]
ATL-SOFT-PUB-2025-003. - 2025 - 33.
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-09-08
10:23
Measurement of dijet transverse momentum balance in O+O and $pp$ collisions at 5.36 TeV with the ATLAS detector
In July 2025, the LHC delivered oxygen-oxygen (O+O) collisions at 5.36 TeV, and the ATLAS experiment collected 8 nb$^{-1}$ of data. [...]
ATLAS-CONF-2025-010. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-09-05
00:23
Results for prompt dark sector mediators from ATLAS / Franchellucci, Stefano (Universite de Geneve (CH))
The presence of a non-baryonic Dark Matter (DM) component in the Universe is motivated from the observation of its gravitational interaction. [...]
ATL-PHYS-PROC-2025-060. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-09-05
00:17
Performance evaluation of a new inner-station TGC detector for the ATLAS experiment at HL-LHC / Chiba, Kotaro (Nagoya University (JP))
The TGC detectors installed in the endcap inner stations of the ATLAS detector will be upgraded from doublet to triplet chambers to improve the granularity and redundancy of the first-level muon trigger. [...]
ATL-MUON-PROC-2025-010. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-09-03
18:31
New Developments in the ATLAS ITk Pixel MOPS-Hub Readout / Gaa, Anne (Georg August Universitaet Goettingen (DE))
The ATLAS Experiment is developing the new Inner Tracker (ITk), consisting of a pixel and strip detector, in preparation for the High-Luminosity LHC Upgrade. [...]
ATL-ITK-PROC-2025-020. - 2025 - 4.
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-09-03
16:59
Readout of the FPGA-based Global trigger system of the ATLAS experiment / Xu, Tong (Argonne National Laboratory (US))
A new FPGA-based Global Trigger system is intended for the high luminosity (HL) program at the ATLAS experiment at the Large Hadron Collider (LHC). [...]
ATL-DAQ-PROC-2025-012. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-09-01
17:21
Evidence for the Collective Nature of Radial Flow in Pb+Pb Collisions with the ATLAS Detector / Bhatta, Somadutta (Stony Brook University (US))
In heavy-ion collisions, the isotropic radial expansion of the formed Quark-Gluon Plasma (QGP), have traditionally been estimated from it's influence on various observables. [...]
ATL-PHYS-PROC-2025-059. - 2025 - 4.
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-09-01
10:14
Development of the Level-0 endcap muon trigger firmware for the ATLAS experiment at HL-LHC / Manita, Shogo (Nagoya University (JP))
The design and status are reported for the development of the Level-0 endcap muon trigger firmware of the ATLAS experiment at High-Luminosity LHC. [...]
ATL-DAQ-PROC-2025-011. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-08-30
12:04
FELIX, THE ATLAS READOUT SYSTEM: FROM LHC RUN 3 TO RUN 4 / Luz, Ricardo (Argonne National Laboratory (US))
After being successfully deployed to read out a subset of the ATLAS detectors during LHC Run 3 (2022-2026), FELIX will serve all ATLAS detectors in LHC Run 4 (2030-2033). [...]
ATL-DAQ-PROC-2025-010. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
2025-08-29
07:36
Heavy flavour results from ATLAS / Xu, Yue (University of Washington (US))
Recent heavy flavour results from ATLAS are presented, including observation of di-charmonium resonances, cross-section measurement of $D^\pm$ and $D^\pm_s$ mesons, and measurement of $B^0$ meson lifetime using $B^0 \rightarrow J/\psi K^{*0}$ decays. [...]
ATL-PHYS-PROC-2025-058. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

Notice détaillée
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