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ATLAS Notes

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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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2025-05-15
07:53
Pixel column issue in the ATLAS inner tracker modules / ATLAS Collaboration - task force chair task force chair
Pixel modules are currently being built for the ATLAS ITk Pixel detector upgrade. [...]
ATL-ITK-PROC-2025-016. - 2025 - 8.
Original Communication (restricted to ATLAS) - Full text

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2025-05-13
21:22
Modelling of Longitudinal-Longitudinal polarisation of the ZZ final state in the four-lepton decay channel at the ATLAS experiment
This note summarises the state-of-the-art modelling of the polarised $ZZ$ production used in the ATLAS Run2 $ZZ$ polarisation measurement. [...]
ATL-PHYS-PUB-2025-021. - 2025 - 23.
Original Communication (restricted to ATLAS) - Full text

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2025-05-12
20:45
Study of Higgs boson pair production in the $HH \rightarrow bb \gamma\gamma$ final state with 308 fb$^{-1}$ of data collected at $\sqrt{s} = 13$ TeV and 13.6 TeV by the ATLAS experiment
A search for Higgs boson pair production in the $b \overline{b} \gamma \gamma$ final state is performed. [...]
ATLAS-CONF-2025-005. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-05-09
15:06
Measurement of the top-quark mass with the ATLAS detector using $t\bar{t}$ events with a high transverse momentum top quark / Watton, Elliot (University of Glasgow (GB))
This presents a recent ATLAS Collaboration measurement of the top-quark mass using top-antitop-quark pair events with a high transverse momentum top quark at the LHC. [...]
ATL-PHYS-PROC-2025-033. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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2025-05-08
08:53
Thermomechanical design validation for quad pixel modules for the ITk / Cunningham, Liam (University of Glasgow (GB)) ; ATLAS Pixel Collaboration
The current programme of upgrades to the ATLAS detector to take advantage of the opportunities presented by the High Luminosity LHC (HL-LHC) will include a complete replacement of the tracking system. [...]
ATL-ITK-PROC-2025-015. - 2025 - 5.
Original Communication (restricted to ATLAS) - Full text

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2025-05-06
12:05
Searching for direct slepton production in moderately compressed mass spectra with the ATLAS detector / Ruggiero, Alessandro (University of Oxford (GB))
These proceedings summarise results presented for the direct pair production of charged light-flavour sleptons ($\tilde{\ell}$), each decaying into a stable neutralino ($\tilde{\chi}^{0}_{1}$) and an associated Standard Model lepton. [...]
ATL-PHYS-PROC-2025-032. - 2025 - 4.
Original Communication (restricted to ATLAS) - Full text

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Enfocat a:
ATLAS Conference Contributions (5,834)
ATLAS PUB Notes (3,064)
ATLAS Conference Notes (1,271)