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ATLAS Notes

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2025-10-29
15:50
ATLAS On the Air! Measuring the Success of the ATLAS Virtual Visit Programme / Carnelli, Alberto (Centre National de la Recherche Scientifique (FR))
Since 2010, the ATLAS experiment at CERN’s Large Hadron Collider has revolutionised High Energy Physics outreach through its Virtual Visits, connecting collaboration members with audiences worldwide. [...]
ATL-OREACH-PROC-2025-005. - 2025 - 8.
Original Communication (restricted to ATLAS) - Full text

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2025-10-29
15:47
Highlights on top quark properties and mass measurements with the ATLAS detector / Malito, Davide (University of London (GB))
The top quark, the heaviest elementary particle in the Standard Model, plays a central role in precision tests of the electroweak sector and in searches for physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2025-095. - 2025 - 5.
Original Communication (restricted to ATLAS) - Full text

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2025-10-29
15:45
ATLAS Upgrades for the High Luminosity LHC / Mckenzie, Ryan Peter (University of the Witwatersrand (ZA))
While the on-going Run-3 data-taking campaign will provide twice the integrated proton-proton luminosity currently available at the LHC, most of the data expected for the full LHC physics program will only be delivered during the HL-LHC phase. [...]
ATL-UPGRADE-PROC-2025-001. - 2025 - 5.
Original Communication (restricted to ATLAS) - Full text - Full text

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2025-10-29
15:42
Forward Feature Extractor for ATLAS Level-0 Trigger System Phase-II Upgrade / ATLAS Collaboration
The forward Feature EXtractor (fFEX), a new ATLAS calorimeter first-level trigger subsystem, will extend ATLAS' trigger performance for jets and electromagnetic signatures in the Forward Calorimeter (FCal). [...]
ATL-DAQ-PROC-2025-018. - 2025 - 7.
Original Communication (restricted to ATLAS) - Full text

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2025-10-29
15:39
ATLAS Inner Detector Operational experience at the Large Hadron Collider at CERN / Akiyama, Daiya (Waseda University (JP))
The tracking and vertexing performance of the ATLAS detector relies critically on the silicon and gaseous tracking subsystems that form the ATLAS Inner Detector. [...]
ATL-INDET-PROC-2025-001. - 2025 - 8.
Original Communication (restricted to ATLAS) - Full text

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2025-10-28
21:48
Non-resonant Higgs boson pair production and self-coupling determination with the ATLAS experiment / Kurdysh, Oleksii (Centre National de la Recherche Scientifique (FR))
Higgs boson pair production (HH) plays a central role in probing the Higgs boson self-interactions, which are key to understanding the shape of the Higgs potential and the mechanism of electroweak symmetry breaking. [...]
ATL-PHYS-PROC-2025-094. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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2025-10-28
19:33
The Universal Fake Factor method: an innovative approach to background estimation of jets misidentified as $\tau$-leptons with the ATLAS detector / Morodei, Federico (Sapienza Universita e INFN, Roma I (IT))
Processes involving $\tau$-leptons play a very important role in the physics program of the ATLAS experiment, being fundamental both for Standard Model precision measurements and for new physics searches. [...]
ATL-PHYS-PROC-2025-093. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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2025-10-28
15:04
Measurements of jet cross-section ratios with ATLAS / Zaplatilek, Ota (Czech Technical University in Prague (CZ))
Jet cross-section ratios between inclusive bins of jet multiplicity are measured differentially in variables that are sensitive to either the energy-scale or angular distribution of hadronic energy flow in the final state. [...]
ATL-PHYS-PROC-2025-092. - 2025 - 5.
Original Communication (restricted to ATLAS) - Full text - Full text

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2025-10-28
00:06
Heavy flavour production and decay in ATLAS / Barton, Adam Edward (Lancaster University (GB))
These proceedings cover a talk will from EPS-HEP 2025 where the recent results from ATLAS experiments on open-charm meson production measurements and various studies of b hadron decays, including the most precise measurement of the $B^0$ lifetime were presented..
ATL-PHYS-PROC-2025-091. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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2025-10-27
15:31
Searches for Heavy Resonances: New Scalars and BSM Higgs Decays with ATLAS Run-2 Data / Bahmani, Marzieh (Humboldt University of Berlin (DE))
The Standard Model (SM) has been remarkably successful, yet several key questions remain open, including the nature of dark matter, the matter–antimatter asymmetry, and the origin of neutrino masses. [...]
ATL-PHYS-PROC-2025-090. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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ATLAS Conference Contributions (5,931)
ATLAS PUB Notes (3,087)
ATLAS Conference Notes (1,277)