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Performance versus uncertainty in boosted top tagging with the ATLAS detector / Greif, Kevin Thomas (University of California Irvine (US)) /ATLAS Collaboration
The identification of top quark decays, known as top tagging, is a crucial component in many measurements and searches at the Large Hadron Collider (LHC). Recently machine learning techniques have greatly improved the performance of top tagging algorithms. [...]
ATL-PHYS-SLIDE-2024-400.- Geneva : CERN, 2024 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : BOOST 2024 - 16th International Workshop on Boosted Object Phenomenology, Reconstruction, Measurements, and Searches at Colliders, Genova, It, 29 Jul - 2 Sep 2024

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Boosted H → bb tagging searches / Parodi, Fabrizio (INFN e Universita Genova (IT)) /ATLAS Collaboration
Several physics scenarios beyond the Standard Model predict the existence of new particles that can subsequently decay into a pair of Higgs bosons. These include pairs of SM-like Higgs bosons (HH) as well as asymmetric decays into two scalars of different masses (SH). [...]
ATL-PHYS-SLIDE-2024-399.- Geneva : CERN, 2024 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)

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Electroweak Measurements of Multiboson Production with the ATLAS Experiment / Gotz, Stefanie Andrea (Ludwig Maximilians Universitat (DE)) ; ATLAS Collaboration /ATLAS Collaboration
Measurements of multiboson production at the LHC are important probes of the electroweak gauge structure of the Standard Model and can constrain anomalous gauge boson couplings. In this talk, recent measurements of diboson and triboson production by the ATLAS experiment at 13 TeV and 13.6 TeV are presented. [...]
ATL-PHYS-SLIDE-2024-398.- Geneva : CERN, 2024 - 24 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : The International Conference on New Frontiers in Physics 2024, Kolymbari, Gr, 26 Aug - 4 Sep 2024

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Top quark entanglement at the ATLAS detector / Earnshaw, Zoe Olivia (University of Sussex (GB)) /ATLAS Collaboration
A new sub-field has emerged in particle physics: borrowing techniques from quantum information science, we can now probe quantum mechanics in collider experiments. The ATLAS Collaboration recently reported the first observation of quantum entanglement between free quarks, in the first dedicated quantum information experiment at a hadron collider. [...]
ATL-PHYS-SLIDE-2024-397.- Geneva : CERN, 2024 - 17 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : The International Conference on New Frontiers in Physics 2024, Kolymbari, Gr, 26 Aug - 4 Sep 2024

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Flavour Tagging with Graph Neural Network with the ATLAS Detector / Kumari, Neelam (Deutsches Elektronen-Synchrotron (DE)) /ATLAS Collaboration
Flavour-tagging is a critical component of the ATLAS experiment physics programme. Existing flavour tagging algorithms rely on several low-level taggers, which are a combination of physically informed algorithms and machine learning models. [...]
ATL-PHYS-SLIDE-2024-396.- Geneva : CERN, 2024 - 14 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : BOOST 2024 - 16th International Workshop on Boosted Object Phenomenology, Reconstruction, Measurements, and Searches at Colliders, Genova, It, 29 Jul - 2 Sep 2024

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Search for top-quark-associated production of heavy scalar or pseudoscalar in $pp$ collisions at $13$ TeV / Chauhan, Chainika (Charles University (CZ)) /ATLAS Collaboration
Despite the considerable success of Standard Model (SM) of particle physics in explaining a wide range of measurements, there are still several questions unanswered. These include incorporation of gravity into SM, neutrino masses, matter-antimatter asymmetry, supersymmetry, existence of dark matter candidates. [...]
ATL-PHYS-SLIDE-2024-395.- Geneva : CERN, 2024 - 20 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)

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The ATLAS ITk Pixel Detector: status and road map / Ressegotti, Martina (INFN e Universita Genova (IT)) /ATLAS Collaboration
At the High luminosity LHC, the expected instantaneous luminosity of up to 7.5 x10$^{34}$ cm$^{-2}$ s$^{-1}$, a factor 7.5 larger with respect to the nominal LHC one, and the integrated luminosity increase by a factor 10 impose severe challenges for the ATLAS detector. The radiation is expected to reach unprecedented values, with non-ionizing fluence of 1e16 n$_{eq}$/cm$^{2}$ and ionizing dose of 5 MGy. [...]
ATL-ITK-SLIDE-2024-394.- Geneva : CERN, 2024 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : The International Conference on New Frontiers in Physics 2024, Kolymbari, Gr, 26 Aug - 4 Sep 2024

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The ATLAS ITk Strip Detector System for the Phase-II LHC Upgrade / Duden, Emily Rose (Brandeis University (US)) /ATLAS Collaboration
The inner detector of the present ATLAS experiment has been designed and developed to function in the environment of the present Large Hadron Collider (LHC). At the ATLAS Phase-II Upgrade, the particle densities and radiation levels will exceed current levels by a factor of ten. [...]
ATL-ITK-SLIDE-2024-393.- Geneva : CERN, 2024 - 16 p. Fulltext: ATLASITkICNFP2024 - PDF; ATL-ITK-SLIDE-2024-393 - PDF; External link: Original Communication (restricted to ATLAS)
In : The International Conference on New Frontiers in Physics 2024, Kolymbari, Gr, 26 Aug - 4 Sep 2024

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Towards advanced data encoding techniques for quantum re-uploading models / Laurora, Niccolo'
A new interdisciplinary research topic that goes by the name of Quantum Machine Learning (QML) has recently begun to explore the interplay of ideas from quantum computing and machine learning. [...]
CERN-STUDENTS-Note-2024-125. - 2024.
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