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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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2019-10-16
11:16
Event Streaming Service for ATLAS Event Processing / Guan, Wen (Department of Physics, University of Wisconsin) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Dimitrov, Gancho (European Laboratory for Particle Physics, CERN) ; Bockelman, Brian Paul (University of Nebraska Lincoln (US)) ; Wenaus, Torre (Brookhaven National Laboratory (BNL)) ; Tsulaia, Vakhtang (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Magini, Nicolo (Iowa State University) /ATLAS Collaboration
The ATLAS Event Streaming Service (ESS) is an approach to preprocess and deliver data for Event Service (ES) that has implemented a fine-grained approach for ATLAS event processing. The ESS allows one to asynchronously deliver only the input events required by ES processing, with the aim to decrease data traffic over WAN and improve overall data processing throughput. [...]
ATL-SOFT-SLIDE-2019-773.- Geneva : CERN, 2019 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 24th International Conference on Computing in High Energy and Nuclear Physics, Adelaide, Australia, 4 - 8 Nov 2019

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2019-10-16
00:59
Implementation of ATLAS Distributed Computing monitoring dashboards using InfluxDB and Grafana / Beermann, Thomas Alfons (Bergische Universitaet Wuppertal) ; Alekseev, Aleksandr (M.V.Lomonosov Moscow State University) ; Barberis, Dario (INFN Genova and Universita' di Genova, Dipartimento di Fisica) ; Crépé-Renaudin, Sabine (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Elmsheuser, Johannes (Brookhaven National Laboratory (BNL)) ; Glushkov, Ivan (The University of Texas at Arlington) ; Svatos, Michal (Institute of Physics of the Czech Academy of Sciences) ; Vartapetian, Armen (The University of Texas at Arlington) ; Vokac, Petr (Czech Technical University in Prague) ; Wolters, Helmut (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisbon) /ATLAS Collaboration
For the last 10 years, the ATLAS Distributed Computing project has based its monitoring infrastructure on a set of custom designed dashboards provided by CERN-IT. This system functioned very well for LHC Runs 1 and 2, but its maintenance has progressively become more difficult and the conditions for Run 3, starting in 2021, will be even more demanding; hence a more standard code base and more automatic operations are needed. [...]
ATL-SOFT-SLIDE-2019-772.- Geneva : CERN, 2019 - 12 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 24th International Conference on Computing in High Energy and Nuclear Physics, Adelaide, Australia, 4 - 8 Nov 2019

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2019-10-15
18:35
The ATLAS Data Carousel Project / Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Barisits, Martin-Stefan (European Laboratory for Particle Physics, CERN) ; Borodin, Mikhail (University of Iowa) ; Di Girolamo, Alessandro (European Laboratory for Particle Physics, CERN) ; Elmsheuser, Johannes (Brookhaven National Laboratory (BNL)) ; Golubkov, Dmitry (Institute for High Energy Physics of the National Research Centre Kurchatov Institute, Protvino) ; Lassnig, Mario (European Laboratory for Particle Physics, CERN) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Walker, Rodney (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Zhao, Xin (Brookhaven National Laboratory (BNL)) /ATLAS Collaboration
The ATLAS Experiment is storing detector and simulation data in raw and derived data formats across more than 150 Grid sites world-wide: currently, in total about 200 PB of disk storage and 250 PB of tape storage is used. Data have different access characteristics due to various computational workflows. [...]
ATL-SOFT-SLIDE-2019-771.- Geneva : CERN, 2019 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)

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2019-10-15
18:24
Standalone containers with ATLAS offline software / Borodin, Misha (University of Iowa (US)) ; Forti, Alessandra (School of Physics and Astronomy, University of Manchester) ; Heinrich, Lukas (European Laboratory for Particle Physics, CERN) ; Vogel, Marcelo (Bergische Universitaet Wuppertal) /ATLAS Collaboration
This talk describes the deployment of ATLAS offline software in containers for use in production workflows such as simulation and reconstruction. For this purpose we are using Docker and Singularity, which are both lightweight virtualization technologies that can encapsulate software packages inside complete file systems. [...]
ATL-SOFT-SLIDE-2019-770.- Geneva : CERN, 2019 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 24th International Conference on Computing in High Energy and Nuclear Physics, Adelaide, Australia, 4 - 8 Nov 2019

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2019-10-15
18:21
Rucio beyond ATLAS / Lassnig, Mario (European Laboratory for Particle Physics, CERN) ; Barisits, Martin-Stefan (European Laboratory for Particle Physics, CERN) ; Laycock, Paul (University of Liverpool) ; Vaandering, Eric Wayne (Fermi National Accelerator Lab. (US)) ; Illingworth, Robert (Fermi National Accelerator Lab. (US)) /ATLAS Collaboration
For many scientific projects, data management is an increasingly complicated challenge. The number of data-intensive instruments generating unprecedented volumes of data is growing and their accompanying workflows are becoming more complex. [...]
ATL-SOFT-SLIDE-2019-769.- Geneva : CERN, 2019 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)

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2019-10-15
13:59
Data-centric Graphical User Interface of the ATLAS Event Index Service / ATLAS Collaboration
ATLAS EventIndex Service keeps references to all real and simulated ATLAS events. Hadoop Mapfiles and HBase tables are used to store the Event Index data, a subset of data is also stored in the Oracle database. [...]
ATL-SOFT-SLIDE-2019-768.- Geneva : CERN, 2019 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)

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2019-10-15
13:58
Adapting ATLAS@Home to trusted and semi-trusted resources / Cameron, David (University of Oslo) ; Garonne, Vincent (University of Oslo) ; Millar, Paul ; Sun, Shaojun (Department of Physics, University of Wisconsin) ; Wu, Wenjing (University of Michigan, Department of Physics) /ATLAS Collaboration
ATLAS@Home is a volunteer computing project which enables members of the public to contribute computing power to run simulations of the ATLAS experiment at CERN. The computing resources provided to ATLAS@Home increasingly come not only from traditional volunteers, but from data centres or office computers at institutes associated to ATLAS. [...]
ATL-SOFT-SLIDE-2019-767.- Geneva : CERN, 2019 - 13 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 24th International Conference on Computing in High Energy and Nuclear Physics, Adelaide, Australia, 4 - 8 Nov 2019

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2019-10-15
12:50
REDESIGN OF THE ATLAS TILE CALORIMETER READOUT LINK AND CONTROL BOARD FOR THE HIGH LUMINOSITY LHC ERA / Valdes Santurio, Eduardo (Stockholm University) ; Silverstein, Samuel (Stockholm University) ; Bohm, Christian (Stockholm University) ; Dunne, Katherine Elaine (Stockholm University) ; Lee, Suhyun (Stockholm University) /ATLAS Collaboration
The R\&D; for the new on-detector electronics for the Phase-II ATLAS upgrade for the High Luminosity Large Hadron Collider (HL-LHC) has motivated progressive redesigns of the ATLAS Tile Calorimeter (TileCal) Daughterboard (DB). The DB is the readout link and control board interface to the off-detector electronics of TileCal. [...]
ATL-TILECAL-SLIDE-2019-766.- Geneva : CERN, 2019 - 1 p. Fulltext: PNG; External link: Original Communication (restricted to ATLAS)

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2019-10-14
14:13
Operational Experience and Performance with the ATLAS Pixel detector at the Large Hadron Collider / Kocian, Martin (SLAC National Accelerator Laboratory) /ATLAS Collaboration
The tracking performance of the ATLAS detector relies critically on its 4-layer Pixel Detector which has undergone significant hardware and readout upgrades to meet the challenges imposed by the higher collision energy, pileup and luminosity delivered by the Large Hadron Collider (LHC), with record breaking instantaneous luminosities of 2 x 10^34 cm-2 s-1 recently surpassed. The key status and performance metrics of the ATLAS Pixel Detector are summarized, and the operational experience and requirements to ensure optimum data quality and data taking efficiency will be described, with special emphasis on radiation damage experience..
ATL-INDET-SLIDE-2019-765.- Geneva : CERN, 2019 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : Vertex 2019: 28th International Workshop on Vertex Detectors, Lopud Island, Croatia, 13 - 18 Oct 2019

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2019-10-14
12:10
The operational experience, challenges and performance of the ATLAS Semiconductor Tracker during LHC Run-2 / Hirose, Shigeki (Albert-Ludwigs-Universitaet Freiburg) /ATLAS Collaboration
The Large Hadron Collider (LHC) recently completed its Run-2 operation period (2015-2018) which delivered an integrated luminosity of 156 fb-1 at the centre-of-mass pp collision energy of 13~TeV. This marked 10 years of successful operation by the ATLAS Semiconductor Tracker (SCT), which operated during Run-2 with instantaneous luminosity and pileup conditions that were far in excess of what the SCT was originally designed to meet. [...]
ATL-INDET-SLIDE-2019-764.- Geneva : CERN, 2019 Fulltext: ATL-INDET-SLIDE-2019-764 - PDF; VERTEX_20191004_v2 - PDF; External link: Original Communication (restricted to ATLAS)
In : Vertex 2019: 28th International Workshop on Vertex Detectors, Lopud Island, Croatia, 13 - 18 Oct 2019

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