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ATLAS PUB 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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2025-05-13
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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2025-04-04
08:47
Projections for Key Measurements in Heavy Flavour Physics
Precision studies of flavour-changing processes involving quarks and leptons provide a number of ways to improve knowledge of the Standard Model and search for physics beyond it. [...]
ATL-PHYS-PUB-2025-020. - 2025 - 11.
Original Communication (restricted to ATLAS) - Full text

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2025-04-03
14:05
The ATLAS Trigger/DAQ Authorlist : version 16
The ATLAS Trigger/DAQ Authorlist : version 16
ATL-DAQ-PUB-2025-001. - 2025 - 11.
Original Communication (restricted to ATLAS) - Full text

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2025-03-31
13:21
Projected Uncertainty in the Determination of the Top Quark Pole Mass at the HL-LHC with ATLAS
We present the HL-LHC projections for the top-quark pole mass, based from the top-quark pole mass measurement performed in tt+j events at 8 TeV
ATL-PHYS-PUB-2025-019. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-03-31
13:09
Highlights of the HL-LHC physics projections by ATLAS and CMS
The ATLAS and CMS experiments are unique drivers of our fundamental understanding of nature at the energy frontier [...]
ATL-PHYS-PUB-2025-018. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-03-30
11:59
ATLAS projected sensitivities for for the cross-section measurement and new physics searches in four-top-quark production at the HL-LHC
This note presents projections for the study of four-top-quark production ($pp \to t\bar{t}t\bar{t}$) at the High-Luminosity LHC (HL-LHC) using a dataset of up to 3~ab$^{-1}$ at $\sqrt{s} = 14$~TeV. [...]
ATL-PHYS-PUB-2025-017. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-03-29
10:00
ATLAS Software and Computing for the Future
To achieve its physics program, the ATLAS collaboration operates large, internationally-distributed computing systems and maintains millions of lines of code. [...]
ATL-SOFT-PUB-2025-002. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-03-28
16:37
The ATLAS Upgrade for the HL-LHC
The HL-LHC projects a leveled instantaneous proton–proton luminosity of up to 7×10<sup>-34</sup> cm<sup>-2</sup>s<sup>-1</sup> with 200 simultaneous collisions within a bunch crossing (pileup) and an integrated luminosity of 3000 fb<sup>-1</sup>. [...]
ATL-UPGRADE-PUB-2025-001. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-03-28
12:46
Updated projections for $B_{(s)}^{0} \to \mu^+\mu^-$ measurements with the ATLAS detector at the HL-LHC
Updated estimates are presented for the expected precision of measurements of the branching fractions of the rare decays of $B_{s}^{0} \to \mu^+\mu^-$ and $B^{0} \to \mu^+\mu^-$ with the ATLAS detector at the HL-LHC. [...]
ATL-PHYS-PUB-2025-016. - 2025 - 16.
Original Communication (restricted to ATLAS) - Full text

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