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ATLAS Conference Contributions

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2025-06-02
13:32
Top quark properties and mass / Fabbri, Federica (Universita e INFN, Bologna (IT))
This contribution presents the latest results on top-quark property measurements using proton-proton collision data collected by the ATLAS and CMS collaborations. [...]
ATL-PHYS-PROC-2025-041. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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2025-06-02
13:21
A New Heart for ATLAS: Status of the New Phase-2 ATLAS ITk Pixel Detector / Vormwald, Benedikt (CERN)
The upgrade of the LHC to the High Luminosity LHC (HL-LHC) by the end of this decade will impose significant challenges on the detectors of the LHC experiments. [...]
ATL-ITK-PROC-2025-018. - 2025 - 4.
Original Communication (restricted to ATLAS) - Full text

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2025-05-26
15:27
Long-Lived and Dark Matter Searches at ATLAS and CMS / Alpigiani, Cristiano (University of Washington (US))
Many theories beyond the Standard Model (BSM) have been proposed to address several of the Standard Model shortcomings, such as the origin of dark matter and neutrino masses, the fine-tuning of the Higgs Boson mass, or the observed pattern of masses and mixing angles in the quark and lepton sectors. [...]
ATL-PHYS-PROC-2025-040. - 2025 - 5.
Original Communication (restricted to ATLAS) - Full text

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2025-05-23
09:44
Hard probes in heavy-ion collisions at ATLAS and CMS / Maj, Klaudia (AGH University of Krakow (PL))
Hard probes, including high-energy jets, heavy quarks, and photons, are essential tools for studying the hot and dense quark-gluon matter created in ultra-relativistic heavy-ion collisions. [...]
ATL-PHYS-PROC-2025-039. - 2025 - 4.
Original Communication (restricted to ATLAS) - Full text

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2025-05-21
20:05
Latest Higgs Boson Inclusive and Differential Cross-Section Measurements / Hayes, Robin (Nikhef National institute for subatomic physics (NL))
Throughout the Large Hadron Collider's Run 2, the ATLAS and CMS Collaborations made huge strides in characterizing the Higgs boson. [...]
ATL-PHYS-PROC-2025-038. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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2025-05-21
09:17
Lower limits on the Higgs boson lifetime via off-shell decays into $WW \to \ell \nu \ell \nu$ final states with the ATLAS detector. / Wolffs, Zef (Nikhef National institute for subatomic physics (NL)) ; ATLAS Collaboration
This article presents an analysis of the off-shell Higgs boson production rate in the $H^* \to WW$ decay mode and interprets the results in terms of the Higgs boson’s lifetime---or equivalently, its total width---focusing on final states in which both $W$ bosons decay leptonically. [...]
ATL-PHYS-PROC-2025-037. - 2025 - 4.
Original Communication (restricted to ATLAS) - Full text

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2025-05-20
11:38
Simulation of charge transport at the surface of planar silicon sensors / Scharf, Christian (Humboldt University of Berlin (DE)) ; Bruers, Ben (Deutsches Elektronen-Synchrotron (DE)) ; Ninca, Ilona-Stefana (Deutsches Elektronen-Synchrotron (DE)) ; Lacker, Heiko Markus (Humboldt University of Berlin (DE)) ; Bloch, Ingo (Deutsches Elektronen-Synchrotron (DE))
Radiation-hard silicon sensors used in high-energy physics require a high electric field and are susceptible to surface breakdown. [...]
ATL-ITK-PROC-2025-017. - 2025 - 8.
Original Communication (restricted to ATLAS) - Full text

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2025-05-19
12:10
Triboson and VBS results at ATLAS and CMS / Camarero Munoz, Daniel (Brandeis University (US))
Measurements of multiboson production at the LHC serve as powerful probes of the electroweak gauge structure of the Standard Model. [...]
ATL-PHYS-PROC-2025-036. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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2025-05-16
19:14
Searches for long-lived heavy neutral leptons and neutral long-lived particles in the muon spectrometer with the ATLAS detector / Trischuk, Dominique (Brandeis University (US))
This contribution presents two recent searches for long-lived particles from the ATLAS experiment. [...]
ATL-PHYS-PROC-2025-035. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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2025-05-16
18:24
Evidence for Longitudinally Polarized $W^\pm$ Bosons in the Electroweak Production of Same-Sign $W^\pm$ Boson Pairs in Association With Two Jets With the ATLAS Detector / Stange, Max Vincent (Technische Universitaet Dresden (DE))
These proceedings describe the first evidence for the longitudinal polarization in electroweak same-charged $W^\pm$ boson scattering and the most stringent limit on the fully longitudinally polarized scattering. [...]
ATL-PHYS-PROC-2025-034. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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