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ATLAS Notes

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2025-02-14
17:24
GPU Acceleration and EDM Developments for the ATLAS 3D Calorimeter Clustering in the Software Trigger / Dos Santos Fernandes, Nuno (Laboratory of Instrumentation and Experimental Particle Physics (PT))
The ATLAS experiment will undergo a series of upgrades in association with the High-Luminosity LHC upgrade. [...]
ATL-DAQ-PROC-2025-006. - 2025 - 8.
Original Communication (restricted to ATLAS) - Full text

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2025-02-14
05:36
A simplified configuration for common algorithms for ATLAS analysis / Lambert, Joseph Earl (University of Victoria (CA)) ; Russell, Heather (University of Victoria (CA)) ; Leight, William Axel (University of Massachusetts (US)) ; Krumnack, Nils Erik (Iowa State University (US)) ; Martinez Outschoorn, Verena Ingrid (University of Massachusetts (US)) ; Maroun, Matthew Kenneth (University of Massachusetts (US)) - Author, Developer Author, Developer Author, Developer Author, Developer Author
In the ATLAS analysis model, users must interact with specialized algorithms to perform a variety of tasks on their physics objects including calibration, identification, and obtaining systematic uncertainties for simulated events. [...]
ATL-SOFT-PROC-2025-033. - 2025 - 5.
Original Communication (restricted to ATLAS) - Full text

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2025-02-13
02:08
Higgs measurements from CMS and ATLAS / Tishelman-Charny, Abraham (Brookhaven National Laboratory (US))
Since the discovery of the Higgs boson in 2012 by the ATLAS and CMS collaborations at the Large Hadron Collider (LHC), extensive programs have been carried out to further study its properties. [...]
ATL-PHYS-PROC-2025-013. - 2025 - 9.
Original Communication (restricted to ATLAS) - Full text

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2025-02-12
16:28
ATLAS software tools to handle ROOT RNTuple / Rybkin, Grigori (Université Paris-Saclay (FR)) ; Mete, Alaettin Serhan (Argonne National Laboratory (US)) ; Nowak, Marcin (Brookhaven National Laboratory (US)) ; Van Gemmeren, Peter (Argonne National Laboratory (US))
The software of the ATLAS experiment at the CERN LHC accelerator contains a number of tools to inspect (validate, summarize, peek into etc.) all its official data formats recorded in ROOT files. [...]
ATL-SOFT-PROC-2025-032. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-02-12
16:05
Adoption of ROOT RNTuple for the next main event data storage technology in the ATLAS production framework Athena / Nowak, Marcin (Brookhaven National Laboratory (US)) ; Mete, Alaettin Serhan (Argonne National Laboratory (US)) ; Van Gemmeren, Peter (Argonne National Laboratory (US)) ; Ovsiannikova, Tatiana (University of Washington (US))
Since the start of LHC in 2008, the ATLAS experiment has relied on ROOT to provide storage technology for all its processed event data. [...]
ATL-SOFT-PROC-2025-031. - 2025 - 7.
Original Communication (restricted to ATLAS) - Full text

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2025-02-12
08:33
The Future of Scheduling in Athena on HPCs / Stanislaus, Beojan (Lawrence Berkeley National Lab. (US)) ; Calafiura, Paolo (Lawrence Berkeley National Lab. (US)) ; Esseiva, Julien (Lawrence Berkeley National Lab. (US)) ; Ju, Xiangyang (Lawrence Berkeley National Lab. (US)) ; Leggett, Charles (Lawrence Berkeley National Lab. (US)) ; Tsulaia, Vakhtang (Lawrence Berkeley National Lab. (US))
The large increase in luminosity expected from Run 4 of the LHC presents the ATLAS experiment with a new scale of computing challenge, and we can no longer restrict our computing to CPUs in a High Throughput Com- puting paradigm. [...]
ATL-SOFT-PROC-2025-030. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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2025-02-12
02:40
SM Higgs properties and rare decays in ATLAS / Escalier, Marc (Université Paris-Saclay (FR))
With the LHC full Run 2 pp collision dataset collected at 13 TeV, very precise measurements of Higgs boson properties and its interactions can be performed, shedding light over the electroweak symmetry breaking mechanism. [...]
ATL-PHYS-PROC-2025-012. - 2025 - 10.
Original Communication (restricted to ATLAS) - Full text

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2025-02-11
15:56
Performance studies for ATLAS workloads in many-core Grid and HPC environments / Sciacca, Gianfranco (Universitaet Bern (CH)) ; Filipcic, Andrej (Jozef Stefan Institute (SI)) ; Weber, Michele (Universitaet Bern (CH))
Developments in microprocessor technology have confirmed the trend towards higher core counts and decreased amount of memory per core, resulting in major improvements in power efficiency for a given level of performance. [...]
ATL-SOFT-PROC-2025-029. - 2025 - 8.
Original Communication (restricted to ATLAS) - Full text

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2025-02-11
10:05
ATLAS WLCG Data Challenge 2024 planning and implementation / Forti, Alessandra (The University of Manchester (GB)) ; Lassnig, Mario (CERN) ; Vokac, Petr (Czech Technical University in Prague (CZ)) ; Garonne, Vincent (Brookhaven National Laboratory (US)) ; Christidis, Dimitrios (CERN) ; Mc Kee, Shawn (University of Michigan (US))
ATLAS is participating in the WLCG Data Challenges, a bi-yearly program established in 2021 to prepare for the data rates of the High Luminosity HL-LHC. [...]
ATL-SOFT-PROC-2025-028. - 2025 - 8.
Original Communication (restricted to ATLAS) - Full text

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2025-02-11
02:28
Operating the 200 Gbps IRIS-HEP Demonstrator for ATLAS / ATLAS Collaboration
The ATLAS experiment is currently developing columnar analysis frameworks which leverage the Python data science ecosystem. [...]
ATL-SOFT-PROC-2025-027. - 2025 - 8.
Original Communication (restricted to ATLAS) - Full text

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ATLAS Conference Contributions (5,779)
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