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The ATLAS Conference Slides collection contains transparencies on ATLAS that have been presented at conferences. More information about conferences can be found on the external ATLAS Talks at International Physics Conferences webpage.
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ATLAS Conference Slides

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2026-06-02
16:46
Phase-1 Upgrade of the ATLAS Level-1 Calorimeter Trigger / Schmitt, Niklas (Johannes Gutenberg Universitaet Mainz (DE)) /ATLAS Collaboration
The ATLAS level-1 calorimeter trigger is a custom-built hardware system that identifies events containing calorimeter-based physics objects, including electrons, photons, taus, jets, and total and missing transverse energy. In Run 3, L1Calo has been upgraded to process higher granularity input data. [...]
ATL-DAQ-SLIDE-2026-204.- Geneva : CERN, 2026 - 27 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 25th IEEE Real Time Conference, La Biodola, Elba Island, It, 25 - 29 May 2026

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2026-06-02
16:30
FPGA-Accelerated Pattern Recognition for the ATLAS Event Filter at the HL-LHC / Sundararajan, Priya (University of California Irvine (US)) /ATLAS Collaboration
The High-Luminosity Large Hadron Collider (HL-LHC) will deliver a five- to seven-fold increase in instantaneous luminosity relative to the original LHC design, and approximately a three-fold increase compared to Run-3 operation, significantly increasing detector readout volumes and placing substantially higher demands on the trigger and data-acquisition systems. To meet these challenges, the ATLAS Event Filter Tracking group is evaluating heterogeneous computing platforms to reduce the size, cost, and power consumption of the event-processing farm. [...]
ATL-DAQ-SLIDE-2026-203.- Geneva : CERN, 2026 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 25th IEEE Real Time Conference, La Biodola, Elba Island, It, 25 - 29 May 2026

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2026-06-02
16:29
Status and testing of the MDT Trigger Processor for the ATLAS Level-0 Muon Trigger at HL-LHC / Rojas Caballero, Rimsky Alejandro (CERN) /ATLAS Collaboration
The Monitored Drift Tube Trigger Processor (MDT-TP) will improve the rate capabilities of the first-level muon (L0 Muon) trigger of the ATLAS Experiment during the operation of the HL-LHC. Preliminary information about a muon trigger candidate, obtained by other muon trigger subsystems, will be combined with the precision of the MDT chambers in order to improve the muon momentum resolution, while limiting the trigger rate to an acceptable level in the high-pileup environment of the HL-LHC. [...]
ATL-DAQ-SLIDE-2026-202.- Geneva : CERN, 2026 - 16 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 25th IEEE Real Time Conference, La Biodola, Elba Island, It, 25 - 29 May 2026

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2026-06-02
16:04
Search for dijet resonances using Trigger-Level Analysis with the ATLAS detector / Sinha, Sukanya (The University of Manchester (GB)) /ATLAS Collaboration
Trigger bandwidth limitations constrain physics analyses that target low-mass resonances, where high-rate data collection is essential. To circumvent this limitation Trigger-Level Analysis (TLA) can be applied. [...]
ATL-DAQ-SLIDE-2026-201.- Geneva : CERN, 2026 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 14th Edition of the Large Hadron Collider Physics Conference (LHCP2026), Paris, Fr, 18 - 22 May 2026

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2026-06-02
11:53
Evolution of the ATLAS EventIndex towards HL-LHC / ATLAS Collaboration
The ATLAS EventIndex is the global catalogue of all real and simulated data produced and processed by ATLAS. The current implementation, developed and deployed for LHC Run 3 (2022-2026) has to evolve in order to be able to ingest, store and serve the much larger amount of data that will be produced during the High-Luminosity LHC operation years, starting in 2030. [...]
ATL-SOFT-SLIDE-2026-200.- Geneva : CERN, 2026 - 12 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 28th Conference on Computing in High Energy and Nuclear Physics, Bangkok, Th, 25 - 29 May 2026

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2026-06-02
10:00
Operations and Performance of the ATLAS Tile Calorimeter Phase-II Upgrade Demonstrator in Run 3 / Carrio Argos, Fernando (Univ. of Valencia and CSIC (ES)) /ATLAS Collaboration
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter that covers the central region of the ATLAS experiment at the Large Hadron Collider (LHC). The LHC will undergo a series of upgrades leading to the High-Luminosity LHC (HL-LHC). [...]
ATL-TILECAL-SLIDE-2026-199.- Geneva : CERN, 2026 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 25th IEEE Real Time Conference, La Biodola, Elba Island, It, 25 - 29 May 2026

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2026-06-02
07:20
Di-Higgs Searches at the LHC / Hyneman, Rachel Jordan (University of Arizona (US)) /ATLAS Collaboration
Higgs boson pair production (HH) plays a central role in probing the Higgs boson self-interactions, which are key to understanding the shape of the Higgs potential and the mechanism of electroweak symmetry breaking. This talk presents the latest results from the ATLAS and CMS experiments on non-resonant Higgs boson pair production, based on the full Run 2 dataset collected at = 13 TeV, with the inclusion of available Run 3 results where available. [...]
ATL-PHYS-SLIDE-2026-198.- Geneva : CERN, 2026 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)

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2026-06-01
17:23
Regional reconstruction of tracks for the ATLAS Event Filter using GPU accelerators / Wynne, Benjamin Michael (The University of Edinburgh (GB)) ; ATLAS TDAQ Collaboration /ATLAS Collaboration
The upcoming high-luminosity phase of the LHC (HL-LHC) presents several challenges for the ATLAS experiment's Trigger and Data Acquisition system, necessitating a full upgrade of the system. A key challenge for the Event Filter, where high-level event reconstruction and final event selection will run at 1 MHz, lies in the computational demand for online track reconstruction within the Inner Tracker in selected regions of interest at the full trigger rate and of the full tracker acceptance at 150 kHz. [...]
ATL-DAQ-SLIDE-2026-197.- Geneva : CERN, 2026 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 25th IEEE Real Time Conference, La Biodola, Elba Island, It, 25 - 29 May 2026

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2026-06-01
17:01
Studies of track reconstruction performance in the ATLAS Event Filter for the HL-LHC / Aparo, Marco (The Barcelona Institute of Science and Technology (BIST) (ES)) /ATLAS Collaboration
The instantaneous luminosity at the High-Luminosity LHC (HL-LHC) will reach unprecedented levels, boosting the physics reach at the LHC. To cope with the resulting challenging pile-up condition and fully exploit the new high-granularity Inner Tracker (ITk), a major upgrade of the ATLAS Trigger and Data Acquisition (TDAQ) system is ongoing, with track reconstruction in the Event Filter being a critical component. [...]
ATL-DAQ-SLIDE-2026-196.- Geneva : CERN, 2026 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 25th IEEE Real Time Conference, La Biodola, Elba Island, It, 25 - 29 May 2026

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2026-06-01
15:47
Accelerating Graph Neural Networks on FPGAs for Real-Time Level-0 Muon Triggering / Errico, Martino (Sapienza Universita e INFN, Roma I (IT)) ; ATLAS Collaboration /ATLAS Collaboration
The High-Luminosity LHC will generate unprecedented data rates, pushing real-time trigger systems to their limits. We present a novel approach deploying graph neural networks (GNNs) on FPGAs to achieve fast, sub-microsecond inference for Level-0 muon triggers. [...]
ATL-DAQ-SLIDE-2026-195.- Geneva : CERN, 2026 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 28th Conference on Computing in High Energy and Nuclear Physics, Bangkok, Th, 25 - 29 May 2026

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