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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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2024-06-18
11:04
Searches for Dark Matter with the ATLAS Experiment at the LHC / Barros, Maura (Laboratory of Instrumentation and Experimental Particle Physics (PT)) /ATLAS Collaboration
The presence of a non-baryonic Dark Matter (DM) component in the Universe is inferred from the observation of its gravitational interaction. If Dark Matter interacts weakly with the Standard Model (SM) it could be produced at the LHC. [...]
ATL-PHYS-SLIDE-2024-187.- Geneva : CERN, 2024 - 20 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : SUSY24: The 31st International Conference on Supersymmetry and Unification of Fundamental Interactions , Madrid, Es, 10 - 14 Jun 2024

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2024-06-18
08:55
Searches for Strong Production of Supersymmetric Particles / Ting, Edmund Xiang Lin (University of Adelaide (AU)) /ATLAS Collaboration
Supersymmetry (SUSY) provides elegant solutions to several problems in the Standard Model, and searches for SUSY particles are an important component of the LHC physics program. Naturalness arguments favour supersymmetric partners of the gluons and third-generation quarks with masses light enough to be produced at the LHC. [...]
ATL-PHYS-SLIDE-2024-186.- Geneva : CERN, 2024 - 19 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : SUSY24: The 31st International Conference on Supersymmetry and Unification of Fundamental Interactions , Madrid, Es, 10 - 14 Jun 2024

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2024-06-18
08:15
L1Topo: The Level-1 Topological Processor for ATLAS Phase-I upgrade and its firmware evolution for use within the Phase-II Global Trigger / Filimonov, Viacheslav (Johannes Gutenberg Universitaet Mainz (DE)) ; ATLAS TDAQ Collaboration /ATLAS Collaboration
The increased instantaneous luminosity of the LHC in Run 3 brings the need for the upgrade of the ATLAS trigger system. The newly commissioned Phase-I L1Topo system, which replaces its Phase-0 predecessor, processes data from the Feature Extractors (FEXes) and the upgraded Muon to Central Trigger Processor Interface (MUCTPI) to perform topological and multiplicity triggers. [...]
ATL-DAQ-SLIDE-2024-185.- Geneva : CERN, 2024 - 19 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)

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2024-06-18
08:14
Track Reconstruction for the ATLAS Detector’s Phase II Trigger and Data Acquisition System using Graph Neural Networks / Ahuja, Sudha (University of London (GB)) /ATLAS Collaboration
Track Reconstruction for the ATLAS Detector’s Phase II Trigger and Data Acquisition System using Graph Neural Networks
ATL-DAQ-SLIDE-2024-184.- Geneva : CERN, 2024 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)

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2024-06-18
08:12
A new method to reject $g\rightarrow b\bar{b}$ jets in the ATLAS $b$-jet triggers / Chen, Maggie (University of Oxford (GB)) /ATLAS Collaboration
In this poster, we present a study of the rejection of jets containing more than one $b$-hadron in the ATLAS “online" $b$-taggers, aiming to significantly reduce the readout rates of the ATLAS $b$-jet trigger system. It is important to be able to efficiently select events containing b-jets at the trigger level for analyses that involve many b-quarks in the final states, such as the search for $HH\rightarrow 4b$ production. [...]
ATL-DAQ-SLIDE-2023-713.- Geneva : CERN, 2024 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 11th Large Hadron Collider Physics Conference 2023, Belgrade, Serbia, 22 - 26 May 2023

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2024-06-18
08:11
Determination of the primary vertex z-coordinate prior to track reconstruction in ATLAS b-jet trigger / Mlinarevic, Marin (University of London (GB)) /ATLAS Collaboration
High trigger efficiency is important to collect enough statistics for rare events such as $HH→b\bar{b}b\bar{b}.$ However, limited CPU budget of the high-level trigger farm requires a trade-off between efficiency and CPU cost, and current algorithms only provide around 60% signal acceptance. Track reconstruction is one of the most CPU-consuming algorithms in the trigger software. [...]
ATL-DAQ-SLIDE-2023-712.- Geneva : CERN, 2024 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 156th LHCC Meeting, CERN, Geneva, Switzerland, 29 - 30 Nov 2023

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2024-06-18
08:10
GPU Acceleration of Calorimeter Clustering / Dos Santos Fernandes, Nuno (LIP - Laboratorio de Instrumentação e Física Experimental de Partículas (PT)) /ATLAS Collaboration
The Topological Cluster algorithm is the most expensive part of calorimeter reconstruction and the 16th most computationally demanding algorithm in the High Level Trigger. In anticipation of the challenges that the High Luminosity LHC will bring, an effort to assess the feasibility of employing Graphical Processing Units (GPUs) to accelerate this algorithm has been going on for the past few years, relying on a parallel-friendly variant we have called Topo-Automaton Clustering. [...]
ATL-DAQ-SLIDE-2023-711.- Geneva : CERN, 2024 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 156th LHCC Meeting, CERN, Geneva, Switzerland, 29 - 30 Nov 2023

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2024-06-18
08:09
Obtaining Requirements for the Future ATLAS Event Filter Tracking System / Penn, Gregory Douglas (Yale University (US)) /ATLAS Collaboration
The High-Luminosity LHC will provide a peak luminosity of 5 × 1034 cm-2s-1, which would result in 200 overlapping interactions (pileup). The high pileup poses a significant challenge for the ATLAS trigger and data acquisition system. [...]
ATL-DAQ-SLIDE-2023-710.- Geneva : CERN, 2024 - 1 p. Fulltext: EFTrackingPoster_Draft_noPlot - PDF; ATL-DAQ-SLIDE-2023-710 - PDF; External link: Original Communication (restricted to ATLAS)
In : Connecting The Dots (CTD 2023), Toulouse, Fr, 10 - 13 Oct 2023

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2024-06-18
08:08
EF Tracking - Machine Learning Hit Search Plots for Approval / Gekow, Alex (Ohio State University (US)) /ATLAS Collaboration
Triggers at high luminosity colliders play an important role in ensuring high sensitivity to new physics signatures while keeping the data storage requirements at acceptable levels.. Rather than simply imposing stricter pT or isolation requirements to keep trigger rates low, we explore the use of tracking reconstruction and requirements at trigger level. [...]
ATL-DAQ-SLIDE-2023-709.- Geneva : CERN, 2024 - 5 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : Connecting The Dots (CTD 2023), Toulouse, Fr, 10 - 13 Oct 2023

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2024-06-18
08:06
Trigger Level Tracking With Neural Networks on Heterogeneous Computing Systems / Gekow, Alex (Ohio State University (US)) /ATLAS Collaboration
Triggers at high luminosity colliders play an important role in ensuring high sensitivity to new physics signatures while keeping the data storage requirements at acceptable levels.. Rather than simply imposing stricter pT or isolation requirements to keep trigger rates low, we explore the use of tracking reconstruction and requirements at trigger level. [...]
ATL-DAQ-SLIDE-2023-708.- Geneva : CERN, 2024 - 19 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : Connecting The Dots (CTD 2023), Toulouse, Fr, 10 - 13 Oct 2023

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