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ATLAS Notes

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2025-10-23
20:42
Building ATLAS With LEGO / Readioff, Nathan Peter (University of Sheffield (GB))
A new LEGO model of the ATLAS detector has been developed to aid and enhance educational outreach. [...]
ATL-PHYS-PROC-2025-087. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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2025-10-23
20:39
Search for rare processes and lepton-flavor-violating decays of Higgs boson at the ATLAS experiment / Zakareishvili, Tamar (Univ. of Valencia and CSIC (ES))
The Standard Model predicts several rare Higgs boson processes, including decays into a Z boson and a photon, a low-mass lepton pair and a photon, or a meson and a photon. [...]
ATL-PHYS-PROC-2025-086. - 2025 - 7.
Original Communication (restricted to ATLAS) - Full text

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2025-10-22
21:00
ATLAS Tile Calorimeter Phase-II Upgrade: Electronics Certification with the Portable Readout Module "PROMETEO" / Tsotskolauri, Pavle (Ivane Javakhishvili Tbilisi State University (GE))
The High Luminosity Large Hadron Collider has motivated a complete upgrade of the ATLAS Tile Calorimeter system. [...]
ATL-TILECAL-PROC-2025-009. - 2025 - 5.
Original Communication (restricted to ATLAS) - Full text

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2025-10-22
20:19
The Phase-1 Upgrade of the ATLAS Level-1 Calorimeter Trigger / Gugel, Ralf (Johannes Gutenberg Universitaet Mainz (DE)) ; ATLAS Collaboration
During the Long Shutdown 2 of the LHC the ATLAS detector received its Phase-1 Upgrade in order to better handle the increased luminosity during LHC Run 3 and beyond. [...]
ATL-DAQ-PROC-2025-017. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-10-22
19:11
LUCID, the ATLAS luminosity detector in LHC Run-3 and its upgrade for HL-LHC / Cremonini, Davide (Universita e INFN, Bologna (IT))
The LUCID-2 detector is the main luminometer of the ATLAS experiment and the only one able to provide a reliable luminosity determination in all beam configurations, luminosity ranges and at bunch-crossing level. [...]
ATL-FWD-PROC-2025-005. - 2025 - 11.
Original Communication (restricted to ATLAS) - Full text

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2025-10-21
20:50
New techniques for reconstructing and calibrating hadronic objects with ATLAS / Pirttikoski, Antti (Universite de Geneve (CH))
Recent developments in hadronic object reconstruction and calibration in ATLAS have led to significant improvements in jet performance. [...]
ATL-PHYS-PROC-2025-085. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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2025-10-21
19:05
Performance and calibration of the ATLAS Tile Calorimeter / Astalos, Robert (Comenius University (SK))
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS (A Toroidal LHC ApparatuS) experiment, with steel as absorber and plastic scintillators as active medium. [...]
ATL-TILECAL-PROC-2025-008. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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2025-10-21
18:26
Observation of a cross-section enhancement near $t\bar{t}$ production threshold with the ATLAS detector / Li, Haifeng (Shandong University (CN))
A measurement is presented of $t\bar{t}$ production in the invariant-mass region near the pair production threshold, $m_{t\bar{t}} \sim 345\,\mathrm{GeV}$, in final states with two charged leptons and multiple jets. [...]
ATL-PHYS-PROC-2025-084. - 2025 - 8.
Original Communication (restricted to ATLAS) - Full text

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2025-10-21
18:22
Status and testing of the MDT Trigger Processor for the ATLAS Level-0 Muon Trigger at HL-LHC / Longarini, Iacopo (University of California Irvine (US)) ; ATLAS Collaboration
The Monitored Drift Tube Trigger Processor (MDT-TP) will improve the rate capabilities of the first-level muon (L0 Muon) trigger of the ATLAS Experiment during the operation of the HL-LHC. [...]
ATL-DAQ-PROC-2025-016. - 2025 - 7.
Original Communication (restricted to ATLAS) - Full text

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2025-10-21
02:23
DIPz and MLPL for Fast Pile-Up Jet Rejection / Aboelela, Mohammed (Southern Methodist University (US))
Multiple proton-proton collisions (pile-up) occur at every bunch crossing at the LHC, with the mean number of interactions expected to reach 80 during Run 3 and up to 200 at the High-Luminosity LHC. [...]
ATL-DAQ-PROC-2025-015. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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ATLAS Conference Contributions (5,917)
ATLAS PUB Notes (3,087)
ATLAS Conference Notes (1,277)