P. A. Delsart
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View article: Efficient metadata management with the AMI ecosystem
Efficient metadata management with the AMI ecosystem Open
The ATLAS Metadata Interface (AMI) is a comprehensive ecosystem designed for metadata aggregation, transformation, and cataloging. With over 25 years of feedback in the LHC context, it is particularly well-suited for scientific experiments…
View article: Optimizing the ATLAS metadata database architecture in preparation for High Luminosity LHC
Optimizing the ATLAS metadata database architecture in preparation for High Luminosity LHC Open
ATLAS Metadata Interface (AMI) is a generic ecosystem for meta data aggregation, transformation and cataloging, benefiting from more than 25 years of feedback in the LHC context. This paper shows how it is planned to optimize the ATLAS met…
View article: Deploying the ATLAS Metadata Interface (AMI) stack in a Docker Compose or Kubernetes environment
Deploying the ATLAS Metadata Interface (AMI) stack in a Docker Compose or Kubernetes environment Open
ATLAS Metadata Interface (AMI) is a generic ecosystem for metadata aggregation, transformation and cataloging. This paper describes how a renewed architecture and integration with modern technologies ease the usage and deployment of a comp…
View article: Using MQTT and Node-RED to monitor the ATLAS Meta-data Interface (AMI) stack and define metadata aggregation tasks in a pipelined way
Using MQTT and Node-RED to monitor the ATLAS Meta-data Interface (AMI) stack and define metadata aggregation tasks in a pipelined way Open
ATLAS Metadata Interface (AMI) is a generic ecosystem for metadata aggregation, transformation and cataloging. Each sub-system of the stack has recently been improved in order to acquire messaging/telemetry capabilities. This paper describ…
View article: Measurement of the nuclear modification factor for muons from charm and bottom hadrons in Pb+Pb collisions at 5.02 TeV with the ATLAS detector
Measurement of the nuclear modification factor for muons from charm and bottom hadrons in Pb+Pb collisions at 5.02 TeV with the ATLAS detector Open
View article: A High-Granularity Timing Detector for the ATLAS Phase-II upgrade
A High-Granularity Timing Detector for the ATLAS Phase-II upgrade Open
The increase of the particle flux at the HL-LHC with instantaneous luminosities up to L=7.5 × 10 34 cm −2 s −1 will have a severe impact on the ATLAS detector reconstruction and trigger performance. The end-cap and forward region where the…
View article: Search for new phenomena in three- or four-lepton events in $pp$ collisions at $\sqrt s$ =13 TeV with the ATLAS detector
Search for new phenomena in three- or four-lepton events in $pp$ collisions at $\sqrt s$ =13 TeV with the ATLAS detector Open
A search with minimal model dependence for physics beyond the Standard Model in events featuring three or four charged leptons (3ℓ and 4ℓ, ℓ=e,μ) is presented. The analysis aims to be sensitive to a wide range of potential new-physics theo…
View article: Measurement of the $t\bar{t}t\bar{t}$ production cross section in $pp$ collisions at $\sqrt{s}$=13 TeV with the ATLAS detector
Measurement of the $t\bar{t}t\bar{t}$ production cross section in $pp$ collisions at $\sqrt{s}$=13 TeV with the ATLAS detector Open
A measurement of four-top-quark production using proton-proton collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the Large Hadron Collider corresponding to an integrated luminosity of 139 fb$^{-1}$ is p…
View article: Measurement of the $c$-jet mistagging efficiency in $t\bar{t}$ events using $pp$ collision data at $\sqrt{s}=13$ TeV collected with the ATLAS detector
Measurement of the $c$-jet mistagging efficiency in $t\bar{t}$ events using $pp$ collision data at $\sqrt{s}=13$ TeV collected with the ATLAS detector Open
A technique is presented to measure the efficiency with which $c$-jets are mistagged as b-jets (mistagging efficiency) using $t\bar{t}$ events, where one of the $W$ bosons decays into an electron or muon and a neutrino and the other decays…
View article: Beyond the Standard Model Physics at the HL-LHC and HE-LHC
Beyond the Standard Model Physics at the HL-LHC and HE-LHC Open
This is the third out of five chapters of the final report [1] of the Workshop on Physics at HL-LHC, and perspectives on HE-LHC [2]. It is devoted to the study of the potential, in the search for Beyond the Standard Model (BSM) physics, of…
View article: Alternative Inputs and Grooming on Large-R Jets in Run 2 of the ATLAS Detector
Alternative Inputs and Grooming on Large-R Jets in Run 2 of the ATLAS Detector Open
High-energy pp collisions at the LHC may produce massive hadronically-decaying particles (e.g. W/Z/H bosons or top quarks) with large transverse momenta (pT), where the resulting decay products can be reconstructed as a single large-R jet.…
View article: Technical Design Report for the ATLAS Inner Tracker Pixel Detector
Technical Design Report for the ATLAS Inner Tracker Pixel Detector Open
This is the second of two Technical Design Report documents that describe the upgrade of the central tracking system for the ATLAS experiment for the operation at the High Luminosity LHC (HL-LHC) starting in the middle of 2026. At that tim…
View article: Technical Design Report for the Phase-II Upgrade of the ATLAS TDAQ System
Technical Design Report for the Phase-II Upgrade of the ATLAS TDAQ System Open
This Technical Design Report documents the plans to upgrade the ATLAS Trigger and Data Acquisition system for the High Luminosity LHC (HL-LHC). The HL-LHC is expected to start operations in the middle of 2026, to ultimately reach a peak in…
View article: Dual-use tools and systematics-aware analysis workflows in the ATLAS Run-2 analysis model
Dual-use tools and systematics-aware analysis workflows in the ATLAS Run-2 analysis model Open
The ATLAS analysis model has been overhauled for the upcoming run of data collection in 2015 at 13 TeV. One key component of this upgrade was the Event Data Model (EDM), which now allows for greater flexibility in the choice of analysis so…