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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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2021-06-18
03:46
The ATLAS Level-1 Topological Processor: Experience and upgrade plans / Martinez Suarez, Paula (The Barcelona Institute of Science and Technology (BIST) (ES)) /ATLAS Collaboration
During Run-2 the Large Hadron Collider (LHC) has provided, at the World's energy frontier, proton-proton collisions to the ATLAS experiment with high instantaneous luminosity of up to $2.1\times 10^{34}$ cm$^{-2}$s$^{-1}$, placing stringent operational and physical requirements on the ATLAS trigger system in order to reduce the 40 MHz collision rate to a manageable event storage rate of 1 kHz, while not rejecting interesting collisions. The Level-1 trigger is the first rate-reducing step in the ATLAS trigger system with an output rate of up to 100 kHz and decision latency of less than 2.5 microseconds. [...]
ATL-DAQ-SLIDE-2021-289.- Geneva : CERN, 2021 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 9th Annual Large Hadron Collider Physics (LHCP 2021), Online, Gb, 7 - 12 Jun 2021

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2021-06-18
03:44
The Phase-1 Upgrade of the ATLAS Level-1 Calorimeter Trigger / Myers, Greg (Indiana University (US)) ; ATLAS Collaboration /ATLAS Collaboration
The ATLAS level-1 calorimeter trigger (L1Calo) is a hardware based system that identifies events containing calorimeter-based physics objects, including electrons, photons, taus, jets, and missing transverse energy. In preparation for Run 3, when the LHC will run at higher energy and instantaneous luminosity, L1Calo is currently implementing a significant programme of planned upgrades. [...]
ATL-DAQ-SLIDE-2021-288.- Geneva : CERN, 2021 - 4 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 9th Annual Large Hadron Collider Physics (LHCP 2021), Online, Gb, 7 - 12 Jun 2021

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2021-06-18
03:30
Firmware of the ATLAS Level-0 Endcap Muon Trigger for HL-LHC / Mitsumori, Yuki (Nagoya University (JP)) /ATLAS Collaboration
The design and the status of the development of the Level-0 endcap muon trigger firmware for the ATLAS experiment at the HL-LHC are presented. The firmware reconstructs muon candidates with an improved momentum resolution by exploiting all hit data from Thin Gap Chambers (TGCs) to be available at XCVU13P FPGA mounted on the trigger and readout boards. [...]
ATL-DAQ-SLIDE-2021-287.- Geneva : CERN, 2021 - 4 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 9th Annual Large Hadron Collider Physics (LHCP 2021), Online, Gb, 7 - 12 Jun 2021

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2021-06-17
19:36
Constraining the Dark Sector with the Mono-jet signature / Pompa Pacchi, Elena (Sapienza Universita e INFN, Roma I (IT)) /ATLAS Collaboration
Several Dark Sector models predict the existence of particles with macroscopic life-times, that can lead to final states with large missing transverse momentum recoiling against at least one highly energetic jet, a signature that is often referred to as a mono-jet. The RECAST framework is used to re-interpret the recent ATLAS mono-jet search, based on 139fb-1 of pp collisions collision data at centre of mass energy of 13 TeV, in terms of Dark Sector models not studied in the original work. [...]
ATL-PHYS-SLIDE-2021-286.- Geneva : CERN, 2021 - 4 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 9th Annual Large Hadron Collider Physics (LHCP 2021), Online, Gb, 7 - 12 Jun 2021

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2021-06-17
17:01
Search for Dark Matter produced in association with a Standard Model Higgs boson decaying to b-quarks with 139 fb−1 of pp collision data with the ATLAS detector / Von Ahnen, Janik (Deutsches Elektronen-Synchrotron (DE)) /ATLAS Collaboration
Many extensions of the Standard Model predict the production of Dark Matter in association with Higgs bosons. This search examines the final state of missing transverse momentum accompanied by a bb pair coming from a Higgs boson decay. [...]
ATL-PHYS-SLIDE-2021-285.- Geneva : CERN, 2021 - 4 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)

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2021-06-17
16:57
Top measurement highlights at ATLAS / Richter, Stefan (Deutsches Elektronen-Synchrotron (DE)) /ATLAS Collaboration
ATLAS top measurement highlights
ATL-PHYS-SLIDE-2021-284.- Geneva : CERN, 2021 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 9th Annual Large Hadron Collider Physics (LHCP 2021), Online, Gb, 7 - 12 Jun 2021

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2021-06-17
11:26
BSM Higgs decays at ATLAS and CMS / Montejo Berlingen, Javier (CERN) /ATLAS Collaboration
Presentation of the latest results on BSM Higgs decays at ATLAS and CMS
ATL-PHYS-SLIDE-2021-283.- Geneva : CERN, 2021 - 18 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 9th Annual Large Hadron Collider Physics (LHCP 2021), Online, Gb, 7 - 12 Jun 2021

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2021-06-16
17:33
The ATLAS Muon Trigger Design and Performance / Wakida, Moe (Nagoya University (JP)) ; ATLAS Collaboration /ATLAS Collaboration
Muon triggers are essential for studying a variety of physics processes in the ATLAS experiment, including both standard model measurements and searches for new physics. The ATLAS muon trigger consists of a hardware based system (Level 1), as well as a software based reconstruction (High Level Trigger). [...]
ATL-DAQ-SLIDE-2021-282.- Geneva : CERN, 2021 - 3 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 9th Annual Large Hadron Collider Physics (LHCP 2021), Online, Gb, 7 - 12 Jun 2021

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2021-06-16
17:25
Real-time flavour tagging selection in ATLAS / Nass, Christian (University of Bonn (DE)) ; ATLAS Collaboration /ATLAS Collaboration
In high-energy physics experiments, online selection is crucial to select interesting collisions from the large data volume. ATLAS b-jet triggers are designed to identify heavy-flavour content in real-time and provide the only option to efficiently record events with fully hadronic final states containing b-jets. [...]
ATL-DAQ-SLIDE-2021-281.- Geneva : CERN, 2021 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 9th Annual Large Hadron Collider Physics (LHCP 2021), Online, Gb, 7 - 12 Jun 2021

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2021-06-16
17:21
Triggering in ATLAS in Run 2 and Run 3 / Nobe, Takuya (University of Tokyo (JP)) /ATLAS Collaboration
The ATLAS experiment at the LHC can record about 1 kHz of physics collisions, out of an LHC design bunch crossing rate of 40 MHz. To achieve a high selection efficiency for rare physics events while reducing the significant background rate, a two-level trigger system is used. [...]
ATL-DAQ-SLIDE-2021-280.- Geneva : CERN, 2021 - 3 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 9th Annual Large Hadron Collider Physics (LHCP 2021), Online, Gb, 7 - 12 Jun 2021

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