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ATLAS Conference Contributions

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2026-04-07
08:44
Probing the Top-Higgs Quartic interaction through an EFT interpretation of $t\bar{t}HH$ production at ATLAS / Auriol, Adrien (Université Clermont Auvergne (FR))
The associated production of a Higgs boson pair with a top-quark pair ($t\bar{t}HH$) provides a unique and direct probe of the top-Higgs sector beyond the Standard Model. [...]
ATL-PHYS-PROC-2026-017. - 2026 - 4.
Original Communication (restricted to ATLAS) - Full text

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2026-04-06
19:41
Simulation of the Electrical Performance of the ITk ATLAS18 Test Diode and Strip Main Sensors Before Irradiation / Zhao, Yuzhan (Carleton University (CA)) ; Klein, Christoph Thomas (Carleton University (CA)) ; Dandoy, Jeff (Carleton University (CA)) ; Keller, John Stakely (Carleton University (CA)) ; Staats, Ezekiel (Carleton University (CA)) ; Jessiman, Callan (Carleton University (CA)) ; Koffas, Thomas (Carleton University (CA)) ; Fadeyev, Vitaliy (University of California,Santa Cruz (US)) ; Ullan, Miguel (Consejo Superior de Investigaciones Cientificas (CSIC) (ES)) ; Unno, Yoshinobu (KEK High Energy Accelerator Research Organization (JP)) - measurements simulation measurements measurements simulation simulation, measurements AC (activity coordinator) AC (activity coordinator) AC (activity coordinator)
This paper presents a two-dimensional (2D) Sentaurus TCAD model tuned using optical and electrical characterization data from test diodes fabricated on the same wafer as the strip sensors. [...]
ATL-ITK-PROC-2026-012. - 2026 - 6.
Original Communication (restricted to ATLAS) - Full text

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2026-04-02
11:42
Performance of the new ATLAS LAr Calorimeter Digital Trigger and its possible application to luminosity measurement / Pozzi, Ruben (Université Paris-Saclay (FR))
The Liquid Argon Calorimeters are employed by the ATLAS detector for all electromagnetic calorimetry in the pseudorapidity region |𝜂| < 3.2, and for hadronic and forward calorimetry in the region from |𝜂| = 1.5 to |𝜂| = 4.9. [...]
ATL-LARG-PROC-2026-002. - 2026 - 5.
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2026-04-01
23:24
FPGA-based Emulator Platform Targeting ATLAS Phase-2 ITk DAQ System Development / Drescher, Matthias Peter (Georg August Universitaet Goettingen (DE)) ; Skaf, Ali (Georg August Universitaet Goettingen (DE)) ; Grosse-Knetter, Joern (Georg August Universitaet Goettingen (DE)) ; Quadt, Arnulf (Georg August Universitaet Goettingen (DE)) - Software, Investigation, Supervision, Writing - review & editing Supervision, Writing - review & editing Supervision, Funding Acquisition, Writing - review & editing
This work presents an FPGA-based platform that was developed to emulate the on-detector hardware of the ATLAS Inner Tracker (ITk) Pixel detector, which is being built for the Phase-2 upgrade of the ATLAS experiment. [...]
ATL-ITK-PROC-2026-011. - 2026 - 5.
Original Communication (restricted to ATLAS) - Full text

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2026-04-01
23:12
On the Charged Fragments Tagging in the ATLAS Detector during the 2025 Oxygen Campaign / Trzebinski, Maciej (Polish Academy of Sciences (PL)) ; Sobien, Weronika Karolina (Polish Academy of Sciences (PL))
During Summer 2025 LHC collided protons with Oxygen, Oxygen with Oxygen and Neon with Neon. [...]
ATL-FWD-PROC-2026-002. - 2026 - 6.
Original Communication (restricted to ATLAS) - Full text

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2026-04-01
23:04
Evaluation of post-irradiation performance of silicon strip sensors affected by low p-stop doping issue / ATLAS Collaboration - Measurements, analysis Neutron irradiation AC (activity coordinator) Gamma irradiation Measurements, test preparation, data analysis Gamma irradiation AC (activity coordinator) Data taking Data taking, analysis Setup preparation Neutron irradiation, data taking Gamma irradiation, data taking, analysis AC (activity coordinator) AC (activity coordinator)
During the production of the new ATLAS18 Inner-Tracker strip sensors for the forthcoming High-Luminosity Large Hadron Collider upgrade, the collaboration observed indications of low p-stop doping in a few sensor batches. [...]
ATL-ITK-PROC-2026-010. - 2026 - 9.
Original Communication (restricted to ATLAS) - Full text

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2026-04-01
11:31
Jet production and modification in heavy-ion collisions with the ATLAS detector / Ogrodnik, Agnieszka Ewa (Polish Academy of Sciences (PL))
Jet production has been studied extensively in heavy-ion collisions to measure its modification in presence of the quark-gluon plasma. [...]
ATL-PHYS-PROC-2026-016. - 2026 - 8.
Original Communication (restricted to ATLAS) - Full text

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2026-03-26
21:59
Measurement of coherent exclusive $J\psi$ production in ultraperipheral Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.36$ TeV with the ATLAS detector / Rybczynski, Pawel (AGH University of Krakow (PL))
The ATLAS heavy-ion physics program includes the study of ultraperipheral collisions. [...]
ATL-PHYS-PROC-2026-015. - 2026 - 6.
Original Communication (restricted to ATLAS) - Full text

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2026-03-25
22:31
Development of the ATLAS Liquid Argon Calorimeter Readout Electronics for the HL-LHC / Collado Soto, Pablo (Universidad Autonoma de Madrid (ES))
The High-Luminosity LHC (HL-LHC) will begin operating in 2030. [...]
ATL-LARG-PROC-2026-001. - 2026 - 9.
Original Communication (restricted to ATLAS) - Full text

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2026-03-25
22:23
Measurement of Threshold Voltages in PTP Structures and Estimation of P-stop Densities Across an ATLAS18 Silicon Strip Sensor Wafer Using TCAD Simulations / ATLAS Collaboration
A total of 24,010 AC-coupled silicon strip sensors with n-type strips implanted in p-type silicon (n-in-p), referred to as ATLAS18, are in production for installation in the upgraded ATLAS Inner Tracker (ITk). [...]
ATL-ITK-PROC-2026-009. - 2026 - 5.
Original Communication (restricted to ATLAS) - Full text

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