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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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2023-10-03
18:04
ATLAS Trigger and Data Acquisition Upgrades for the High Luminosity LHC / Kopeliansky, Revital (Indiana University (US)) ; ATLAS Collaboration /ATLAS Collaboration
The ATLAS experiment at CERN is constructing upgraded system for the "High Luminosity LHC", with collisions due to start in 2029. In order to deliver an order of magnitude more data than previous LHC runs, 14 TeV protons will collide with an instantaneous luminosity of up to 7.5 x 10e34 cm^-2s^-1, resulting in much higher pileup and data rates than the current experiment was designed to handle. [...]
ATL-DAQ-SLIDE-2023-539.- Geneva : CERN, 2023 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : The 31th International Symposium on Lepton-Photon Interactions at High Energies (Lepton Photon 2023), Melbourne, Victoria, Australia, 17 - 21 Jul 2023

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2023-10-03
18:01
Operational experience with the new ATLAS HLT framework for LHC Run 3 / Poreba, Aleksandra (Heidelberg University (DE)) /ATLAS Collaboration
Athena is the software framework used in the ATLAS experiment throughout the data processing path, from the software trigger system through offline event reconstruction to physics analysis. For Run 3 data taking (which started in 2022) the framework has been reimplemented into a multi-threaded framework. [...]
ATL-DAQ-SLIDE-2023-538.- Geneva : CERN, 2023 - 21 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023

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2023-10-03
17:59
FELIX: first operational experience with the new ATLAS readout system and perspectives for HL-LHC / Hoya, Joaquin (Argonne National Laboratory (US)) ; ATLAS TDAQ Collaboration /ATLAS Collaboration
Over the next decade, the ATLAS detector will be required to operate in an increasingly harsh collision environment. To maintain physics performance, the detector will undergo a series of upgrades during major shutdowns. [...]
ATL-DAQ-SLIDE-2023-537.- Geneva : CERN, 2023 - 21 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023

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2023-10-03
17:59
The ATLAS trigger system during Run 3 / Carvalho, Luisa (LIP - Laboratorio de Instrumentação e Física Experimental de Partículas (PT)) /ATLAS Collaboration
The ATLAS experiment in the LHC Run 3 is recording up to 3 kHz of fully-built physics collision events out of an LHC bunch crossing rate of up to 40 MHz, with additional rate dedicated to partial readout. A two-level trigger system selects events of interest to to cover a wide variety of physics while rejecting a high rate of background events. [...]
ATL-DAQ-SLIDE-2023-536.- Geneva : CERN, 2023 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : The 31th International Symposium on Lepton-Photon Interactions at High Energies (Lepton Photon 2023), Melbourne, Victoria, Australia, 17 - 21 Jul 2023

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2023-10-03
17:56
ATLAS Trigger and Data Acquisition Upgrades for the High Luminosity LHC / Negri, Andrea (Pavia University and INFN (IT)) ; ATLAS Collaboration /ATLAS Collaboration
The ATLAS experiment at CERN is constructing upgraded system for the "High Luminosity LHC", with collisions due to start in 2029. In order to deliver an order of magnitude more data than previous LHC runs, 14 TeV protons will collide with an instantaneous luminosity of up to 7.5 x 10e34 cm^-2s^-1, resulting in much higher pileup and data rates than the current experiment was designed to handle. [...]
ATL-DAQ-SLIDE-2023-535.- Geneva : CERN, 2023 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023

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2023-10-03
11:53
Fast Tracking on Heterogeneous Hardware for the ATLAS Event Filter / Kahn, Abraham (University of Pennsylvania (US)) ; ATLAS TDAQ Collaboration /ATLAS Collaboration
The High Luminosity upgrade of the Large Hadron Collider (HL-LHC) will deliver $\mathcal{O}(10)$ times the total integrated luminosity of LHC Runs 1-3 combined. However, this increased rate of proton-proton collisions per bunch crossing (pile-up) also poses significant challenges to the ATLAS Trigger and Data Acquisition System (TDAQ). [...]
ATL-DAQ-SLIDE-2023-534.- Geneva : CERN, 2023 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023

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2023-10-03
11:52
Benchmarking Data Acquisition event building network performance for the ATLAS HL-LHC upgrade / Pozo Astigarraga, Eukeni (CERN) ; Bonaventura, Matias (CERN) ; Maple, James (CERN) ; Pecker Marcosig, Ezequiel (Universidad de Buenos Aires (AR)) ; Levrini, Giacomo (Universita e INFN, Bologna (IT)) ; Castro, Rodrigo Daniel (Universidad de Buenos Aires (AR)) /ATLAS Collaboration
The ATLAS experiment Data Acquisition (DAQ) system will face an extensive upgrade to fully exploit the High-Luminosity LHC (HL-LHC) upgrade, allowing it to record data at unprecedented rates. The detector will be read out at 1 MHz generating over 5 TB/s of data which is sent to approximately 600 servers. [...]
ATL-DAQ-SLIDE-2023-533.- Geneva : CERN, 2023 - 17 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023

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2023-10-03
11:52
Fast inference on FPGA for the ATLAS Muon Trigger / Carnesale, Maria (Sapienza Universita e INFN, Roma I (IT)) /ATLAS Collaboration
Track finding in high-density environments is a key challenge for experiments at modern accelerators. In this presentation we describe the performance obtained running machine learning models studied for the ATLAS Muon High Level Trigger. [...]
ATL-DAQ-SLIDE-2023-532.- Geneva : CERN, 2023 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023

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2023-10-03
11:50
Track reconstruction for the ATLAS Phase-II Event Filter using GNNs on FPGAs / Dittmeier, Sebastian (Heidelberg University (DE)) ; ATLAS TDAQ Collaboration /ATLAS Collaboration
The High-Luminosity LHC (HL-LHC) will provide an order of magnitude increase in integrated luminosity and enhance the discovery reach for new phenomena. The increased pile-up foreseen during the HL-LHC necessitates major upgrades to the ATLAS detector and trigger. [...]
ATL-DAQ-SLIDE-2023-531.- Geneva : CERN, 2023 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023

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2023-10-03
11:49
The Run-3 ATLAS jet trigger / Amerl, Maximilian (University of Manchester (GB)) ; Antel, Claire (Universite de Geneve (CH)) ; Bazzano, Tomas (Universidad de Buenos Aires (AR)) ; Doglioni, Caterina (University of Manchester (GB)) ; Fitschen, Tobias (University of Manchester (GB)) ; Kontaxakis, Pantelis (Universite de Geneve (CH)) ; Li, Xingguo (McGill University, (CA)) ; Montella, Marco (Ohio State University (US)) /ATLAS Collaboration
The ATLAS jet trigger is instrumental in selecting events both for Standard Model measurements and Beyond the Standard Model physics searches. Non-standard triggering strategies, such as saving only a small fraction of trigger objects for each event, avoids bandwidth limitations and increases sensitivity to low-mass and low-momentum objects. [...]
ATL-DAQ-SLIDE-2023-530.- Geneva : CERN, 2023 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023

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