ATLAS Notes

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2023-09-25
00:20

Recent Developments in the FullSimLight Simulation Tool from ATLAS / Khan, Raees Ahmad (University of Pittsburgh (US)) ; Bandieramonte, Marilena (University of Pittsburgh (US)) ; Tsulaia, Vakhtang (Lawrence Berkeley National Lab. (US)) ; Boudreau, Joseph (University of Pittsburgh (US)) ; Bianchi, Riccardo Maria (University of Pittsburgh (US)) ; Klekots, Denys (Taras Shevchenko National University of Kyiv (UA)) ; Dell'Acqua, Andrea (CERN)
FullSimLight is a lightweight, Geant4-based command line simulation utility intended for studies of simulation performance. [...]
ATL-SOFT-PROC-2023-046. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text

2023-09-24
23:17

Electroweak $W^{\pm}W^{\pm}jj$ Production in ATLAS / Solomon, Shalu (Brandeis University (US))
Vector boson scattering is one of the recent remarkable observations at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2023-055. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text

2023-09-22
19:59

The Creation and Evolution of the US ATLAS Shared Analysis Facilities / Rind, Ofer (Brookhaven National Laboratory (US)) ; Gardner Jr, Robert William (University of Chicago (US)) ; Bryant, Lincoln (University of Chicago (US)) ; Hu, Fengping (University of Chicago (US)) ; Yang, Wei (SLAC National Accelerator Laboratory (US)) ; Benjamin, Doug (Brookhaven National Laboratory (US)) ; Vukotic, Ilija (University of Chicago (US))
Prior to the start of the LHC Run 3, the US ATLAS Software and Computing operations program established three shared Tier 3 Analysis Facilities (AFs). [...]
ATL-SOFT-PROC-2023-045. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text

2023-09-22
18:50

Operational Analytics Studies for ATLAS Distributed Computing: Data Popularity Forecast and Utilization of the WLCG Centers / Grigoryeva, Maria (M.V. Lomonosov Moscow State University (RU)) ; Klimentov, Alexei (Brookhaven National Laboratory (US)) ; Schulz, Markus (CERN) ; Shubin, Mikhail (M.V. Lomonosov Moscow State University (RU))
Operational analytics is the direction of research related to the analysis of the current state of computing processes and the prediction of the future in order to anticipate imbalances and take timely measures to stabilize a complex system. [...]
ATL-SOFT-PROC-2023-044. - 2023. - 12 p.
Original Communication (restricted to ATLAS) - Full text

2023-09-22
18:18

Towards a distributed heterogeneous task scheduler for the ATLAS offline software framework / Esseiva, Julien (Lawrence Berkeley National Lab. (US)) ; Stanislaus, Beojan (Lawrence Berkeley National Lab. (US)) ; Leggett, Charles (Lawrence Berkeley National Lab. (US)) ; Calafiura, Paolo (Lawrence Berkeley National Lab. (US)) ; Tsulaia, Vakhtang (Lawrence Berkeley National Lab. (US)) ; Ju, Xiangyang (Lawrence Berkeley National Lab. (US))
With the increased data volumes expected to be delivered by the HL-LHC, it becomes critical for the ATLAS experiment to maximize the utilization of available computing resources ranging from conventional GRID clusters to supercomputers and cloud computing platforms. [...]
ATL-SOFT-PROC-2023-043. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text

2023-09-22
17:46

Development of the ATLAS Liquid Argon Calorimeter Readout Electronics for the HL-LHC / Ventura Gonzalez, Salvador (Université Paris-Saclay (FR))
The ATLAS Liquid Argon Calorimeter readout electronics will be upgraded to withstand higher radiation doses and harsher conditions during the HL-LHC. [...]
ATL-LARG-PROC-2023-004. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text

2023-09-22
16:57

Simulation and expected detector performance of fractionally charged particles in ATLAS
Searching for long-lived fractionally charged particles (FCPs) provides a novel opportunity in the exploration for new physics. [...]
ATL-GEN-PUB-2023-001. - 2023. - 20 p.
Original Communication (restricted to ATLAS) - Full text

2023-09-22
16:28

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))
The ATLAS experiment’s data acquisition (DAQ) system will be extensively updated to take full advantage of the High-Luminosity LHC (HL- LHC) upgrade, allowing it to record data at unprecedented rates. [...]
ATL-DAQ-PROC-2023-009. - 2023. - 12 p.
Original Communication (restricted to ATLAS) - Full text

2023-09-21
20:22

Probing the nature of electroweak symmetry breaking with Higgs boson pairs in ATLAS / Burger, Angela Maria (Université Clermont Auvergne (FR))
In the Standard Model, the ground state of the Higgs field is not found at zero but instead corresponds to one of the degenerate solutions minimising the Higgs potential. [...]
ATL-PHYS-PROC-2023-054. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text

2023-09-21
19:03

FELIX: first operational experience with the new ATLAS readout system and perspectives for HL-LHC / Hoya, Joaquin (Argonne National Laboratory (US))
Over the next decade, the ATLAS detector will be required to operate in an increasingly harsh collision environment, with ten times more trigger rate. [...]
ATL-DAQ-PROC-2023-008. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text

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