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ATLAS Notes

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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
19:28
Top quark mass and properties summary plots May 2025
This note presents plots summarising ATLAS results and combinations of top quark mass measurements and other top quark properties..
ATL-PHYS-PUB-2025-025. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-05-21
16:03
Top cross section summary plots - May 2025
Summary plots related to top-quark cross section measurements from ATLAS only and from ATLAS+CMS. [...]
ATL-PHYS-PUB-2025-024. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-05-21
15:54
Top Quarks + X Summary Plots May 2025
This note presents summary plots of cross-section measurements and searches performed by ATLAS and CMS in the Top Quarks + X sector as of May 2025
ATL-PHYS-PUB-2025-023. - 2025 - mult..
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
17:30
Search for CP violation in 𝑾𝑯 production in 13 TeV 𝒑 𝒑 collisions with the ATLAS detector
This note presents a search for CP violation in the production of a Higgs boson in association with a $W$ boson ($WH$) using proton-proton collision data collected by the ATLAS detector at the Large Hadron Collider during Run 2, corresponding to an integrated luminosity of $140~\text{fb}^{-1}$ at a center-of-mass energy of 13 TeV. [...]
ATL-PHYS-PUB-2025-022. - 2025 - mult..
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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