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ATLAS PUB Notes

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2025-09-13
22:16
Effective field theory interpretations of the search for $HH\rightarrow b\bar{b}\gamma\gamma$ with 308 fb$^{-1}$ of data collected at $\sqrt{s} = 13$ TeV and 13.6 TeV with the ATLAS detector
This note presents interpretations of a search for Higgs boson pair production in the $b\bar{b}\gamma\gamma$ final state using the Standard Model Effective Field Theory (SMEFT) and Higgs Effective Field Theory (HEFT) frameworks. [...]
ATL-PHYS-PUB-2025-034. - 2025 - 18.
Original Communication (restricted to ATLAS) - Full text

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2025-09-08
17:42
Photon showers in the ATLAS fast calorimeter simulation: A voxelized dataset with minimized information loss and improved ML models
For the upcoming high luminosity runs at ATLAS, it is necessary to replace the full calorimeter simulation with the fast calorimeter simulation in almost all cases. [...]
ATL-SOFT-PUB-2025-003. - 2025 - 33.
Original Communication (restricted to ATLAS) - Full text

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2025-08-15
18:31
Convolutional Neural Networks for pile-up suppression in the Global Trigger
This note describes a pile-up suppression algorithm using a convolutional neural network (CNN) architecture for the ATLAS Global Trigger upgrade planned for the High-Luminosity LHC programme. [...]
ATL-UPGRADE-PUB-2025-002. - 2025 - 18.
Original Communication (restricted to ATLAS) - Full text

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2025-08-08
21:36
Modelling of top-quark-mediated Higgs boson production in association with bottom quarks
This note presents a comparison of two Monte Carlo predictions for gluon-induced Higgs boson production in association with bottom quarks mediated by the top-Higgs coupling. [...]
ATL-PHYS-PUB-2025-033. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-07-16
11:58
Summary Plot of Lepton Flavour Universality Measurements using $t\bar{t}$ Events July 2025
This note presents a summary plot of the results of three ATLAS analyses which test the universality of the lepton couplings to $W$-bosons using top$-$anti-top events as of July 2025..
ATL-PHYS-PUB-2025-032. - 2025 - 3.
Original Communication (restricted to ATLAS) - Full text

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2025-07-06
20:44
Summary of constraints on CP-odd contributions to the HVV coupling
A summary of recent ATLAS measurements and their interpretations as constraints on CP-odd contributions to the Higgs boson interaction with vector bosons (HVV) is presented..
ATL-PHYS-PUB-2025-031. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-06-27
16:26
Vector-like quark summary plot
This note presents a plot summarising latest ATLAS $95\%$ confidence level exclusion lower limits on the vector-like quark mass for various assumptions on the decay modes. [...]
ATL-PHYS-PUB-2025-030. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-06-25
11:42
Explaining the ATLAS GN2 Flavour Tagging Algorithm with Integrated Gradients
Flavour tagging is crucial for many physics analyses at the Large Hadron Collider, enabling the identification of jets originating from heavy-flavour quarks. [...]
ATL-PHYS-PUB-2025-029. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-06-13
11:53
Top EFT Summary Plots May 2025
This note presents figures that summarise the limits on effective field theory (EFT) operators derived from measurements of the ATLAS top working group and LHC Top working group (ATLAS+CMS). [...]
ATL-PHYS-PUB-2025-028. - 2025 - 42.
Original Communication (restricted to ATLAS) - Full text

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2025-06-07
07:34
Evaluating the statistical uncertainties and statistical consistency of constraints for the jet $\eta$-intercalibration in ATLAS
The $\eta$-intercalibration in situ method is one of the key steps of the ATLAS jet energy calibration procedure, aimed to ensure homogeneity of the energy response across the different detector subsystems. [...]
ATL-PHYS-PUB-2025-027. - 2025 - 12.
Original Communication (restricted to ATLAS) - Full text

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