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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

Последно добавени:
2018-02-13
13:13
The ATLAS Run-2 Trigger Menu for higher luminosities: Design, Performance and Operational Aspects / Torro Pastor, Emma (Department of Physics, University of Washington, Seattle) /ATLAS Collaboration
The ATLAS experiment aims at recording about 1 kHz of physics collisions, starting with an LHC design bunch crossing rate of 40 MHz. To reduce the massive background rate while maintaining a high selection efficiency for rare physics events (such as beyond the Standard Model physics), a two-level trigger system is used. [...]
ATL-DAQ-SLIDE-2018-094.- Geneva : CERN, 2018 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : The 28th International Symposium on Lepton-Photon Interactions at High Energies, Guangzhou, Guangdong Sheng, China, 7 - 12 Aug 2017

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2018-02-13
11:40
The ATLAS Trigger Menu design for higher luminosities in Run 2 / Torro Pastor, Emma (Department of Physics, University of Washington, Seattle) /ATLAS Collaboration
The ATLAS experiment aims at recording about 1 kHz of physics collisions, starting with an LHC design bunch crossing rate of 40 MHz. To reduce the large background rate while maintaining a high selection efficiency for rare physics events (such as beyond the Standard Model physics), a two-level trigger system is used. [...]
ATL-DAQ-SLIDE-2018-093.- Geneva : CERN, 2018 - 14 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 26th International Symposium on Nuclear Electronics & Computing, Becici, Budva, Montenegro, 25 - 29 Sep 2017

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2018-02-12
12:05
Performance of the ATLAS Muon Trigger in Run 2 / Morgenstern, Marcus (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef) /ATLAS Collaboration
Events containing muons in the final state are an important signature for many analyses being carried out at the Large Hadron Collider (LHC), including both standard model measurements and searches for new physics. To be able to study such events, it is required to have an efficient and well-understood muon trigger. [...]
ATL-DAQ-SLIDE-2018-092.- Geneva : CERN, 2018 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 26th International Symposium on Nuclear Electronics & Computing, Becici, Budva, Montenegro, 25 - 29 Sep 2017

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2018-02-12
11:52
The ATLAS Trigger system upgrade and performance in Run 2 / Shaw, Savanna Marie (School of Physics and Astronomy, University of Manchester) /ATLAS Collaboration
The ATLAS trigger has been used very successfully for the online event selection during the first part of the second LHC run (Run-2) in 2015/16 at a centre-of-mass energy of 13 TeV. The trigger system is composed of a hardware Level-1 trigger and a software-based high-level trigger; it reduces the event rate from the bunch-crossing rate of 40 MHz to an average recording rate of about 1 kHz. [...]
ATL-DAQ-SLIDE-2018-091.- Geneva : CERN, 2018 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 26th International Symposium on Nuclear Electronics & Computing, Becici, Budva, Montenegro, 25 - 29 Sep 2017

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2018-02-12
11:49
FELIX: the new detector readout system for the ATLAS experiment / Bauer, Kevin Thomas (University of California, Irvine) /ATLAS Collaboration
Starting during the upcoming major LHC shutdown from 2019-2021, the ATLAS experiment at CERN will move to the the Front-End Link eXchange (FELIX) system as the interface between the data acquisition system and the trigger and detector front-end electronics. FELIX will function as a router between custom serial links and a commodity switch network, which will use industry standard technologies to communicate with data collection and processing components. [...]
ATL-DAQ-SLIDE-2018-090.- Geneva : CERN, 2018 - 18 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 18th International Workshop on Advanced Computing and Analysis Techniques in Physics Research, Seattle, WA, USA, 21 - 25 Aug 2017

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2018-02-12
11:47
The ATLAS Electron and Photon Trigger / Jones, Samuel David (University of Sussex) /ATLAS Collaboration
Electron and photon triggers covering transverse energies from 5 GeV to several TeV are essential for signal selection in a wide variety of ATLAS physics analyses to study Standard Model processes and to search for new phenomena. Final states including leptons and photons had, for example, an important role in the discovery and measurement of the Higgs boson. [...]
ATL-DAQ-SLIDE-2018-089.- Geneva : CERN, 2018 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 18th International Workshop on Advanced Computing and Analysis Techniques in Physics Research, Seattle, WA, USA, 21 - 25 Aug 2017

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2018-02-12
11:41
Test Management Framework for the ATLAS Experiment / Kazarov, Andrei (Petersburg Nuclear Physics Institute) ; Unel, Gokhan (University of California, Irvine) ; Avolio, Giuseppe (European Laboratory for Particle Physics, CERN) ; Lehmann Miotto, Giovanna (European Laboratory for Particle Physics, CERN) ; Soloviev, Igor (University of California, Irvine) ; Corso-Radu, Alina (University of California, Irvine) /ATLAS Collaboration
Test Management Framework for the Data Acquisition of the ATLAS Experiment Data Acquisition (DAQ) of the ATLAS experiment is a large distributed and inhomogeneous system: it consists of thousands of interconnected computers and electronics devices that operate coherently to read out and select relevant physics data. Advanced diagnostics capabilities of the TDAQ control system are a crucial feature which contributes significantly to smooth operation and fast recovery in case of the problems and, finally, to the high efficiency of the whole experiment. [...]
ATL-DAQ-SLIDE-2018-088.- Geneva : CERN, 2018 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 18th International Workshop on Advanced Computing and Analysis Techniques in Physics Research, Seattle, WA, USA, 21 - 25 Aug 2017

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2018-02-12
11:35
Experience with SPLUNK for archiving and visualization of operational data in ATLAS TDAQ system / Kazarov, Andrei (Petersburg Nuclear Physics Institute) ; Avolio, Giuseppe (European Laboratory for Particle Physics, CERN) ; Mineev, Mikhail (Joint Institute for Nuclear Research) ; Chitan, Adrian (Horia Hulubei National Institute of Physics and Nuclear Engineering) /ATLAS Collaboration
The ATLAS Trigger and Data Acquisition (TDAQ) is a large, distributed system composed of several thousands interconnected computers and tens of thousands software processes (applications). Applications produce a large amount of operational messages (at the order of O(10^4) messages per second), which need to be reliably stored and delivered to TDAQ operators in a realtime manner, and also be available for post-mortem analysis by experts. [...]
ATL-DAQ-SLIDE-2018-087.- Geneva : CERN, 2018 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 18th International Workshop on Advanced Computing and Analysis Techniques in Physics Research, Seattle, WA, USA, 21 - 25 Aug 2017

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2018-02-12
11:32
Multi-threading in the ATLAS High-Level Trigger / Barton, Adam Edward (Lancaster University, Department of Physics) /ATLAS Collaboration
Over the next decade of LHC data-taking the instantaneous luminosity will reach up 7.5 times the design value with over 200 interactions per bunch-crossing and will pose unprecedented challenges for the ATLAS trigger system. With the evolution of the CPU market to many-core systems, both the ATLAS offline reconstruction and High-Level Trigger (HLT) software will have to transition from a multi-process to a multithreaded processing paradigm in order not to exhaust the available physical memory of a typical compute node. [...]
ATL-DAQ-SLIDE-2018-086.- Geneva : CERN, 2018 - 15 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 18th International Workshop on Advanced Computing and Analysis Techniques in Physics Research, Seattle, WA, USA, 21 - 25 Aug 2017

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2018-02-12
11:11
ATLAS Level-1 Topological Trigger / Zheng, Daniel (University of Pittsburgh) ; Hong, Tae Min (University of Pittsburgh) /ATLAS Collaboration
The ATLAS experiment has introduced and recently commissioned a completely new hardware sub-system of its first-level trigger: the topological processor (L1Topo). L1Topo consist of two AdvancedTCA blades mounting state-of-the-art FPGA processors, providing high input bandwidth (up to 4 Gb/s) and low latency data processing (200 ns). [...]
ATL-DAQ-SLIDE-2018-085.- Geneva : CERN, 2018 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : The 28th International Symposium on Lepton-Photon Interactions at High Energies, Guangzhou, Guangdong Sheng, China, 7 - 12 Aug 2017

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