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ATLAS Notes

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ATLAS Communications [restricted]
Latest additions:
2025-09-17
01:21
Measurement of coherent $J/\psi$ in ultraperipheral Pb+Pb collisions at $\sqrt{s_{NN}}=5.36$ TeV with the ATLAS detector / Rybczynski, Pawel (AGH University of Krakow (PL))
The fully stripped ions used in heavy-ion collisions at the LHC are an excellent source of high-energy quasi-real photons. [...]
ATL-PHYS-PROC-2025-066. - 2025 - 10.
Original Communication (restricted to ATLAS) - Full text

Detailed record
2025-09-16
14:34
Differential inclusive $W/Z$ measurements sensitive to parton distribution functions and effective field theory / Zhang, Zhiqing Philippe (Université Paris-Saclay (FR))
This talk reports three recent differential measurements of single $W$- or $Z$-bosons from the ATLAS and LHCb experiments at the LHC for both on-shell and off-shell scenarios, which provide sensitive inputs to improve the constraints on parton distribution functions and relevant effective field theory Wilson coefficients..
ATL-PHYS-PROC-2025-065. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-09-16
14:19
New Constraints on the Existence of Massive Monopoles in Ultra-Peripheral Heavy Ion Collisions with ATLAS / Ciesla, Krzysztof (AGH University of Krakow (PL))
In ultraperipheral Pb+Pb collisions, intense electromagnetic fields enable the generation of magnetic monopole pairs via the Schwinger mechanism.Due to their high ionization and unique trajectories in a solenoidal magnetic field, monopoles are expected to leave numerous clusters in the innermost ATLAS pixel detector without associated reconstructed charged-particle tracks or calorimeter activity. [...]
ATL-PHYS-PROC-2025-064. - 2025 - 7.
Original Communication (restricted to ATLAS) - Full text

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2025-09-16
11:21
Non-resonant Higgs boson pair production and Higgs self-couplings measurements by ATLAS with Run 2 / Haslbeck, Florian (University of Oxford (GB))
The self-interaction of the Higgs boson is a defining feature of the Standard Model (SM), and its experimental verification through Higgs boson pair ($HH$) production remains one of the foremost goals in particle physics, more than a decade after the Higgs boson's discovery. [...]
ATL-PHYS-PROC-2025-063. - 2025 - 4.
Original Communication (restricted to ATLAS) - Full text

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2025-09-16
10:48
The ATLAS simulation R&D programme for Run 4 / Novak, Tadej (Jozef Stefan Institute (SI))
The High Luminosity phase of the Large Hadron Collider is bringing much higher data rates, requiring large datasets of Monte Carlo simulated samples. [...]
ATL-SOFT-PROC-2025-044. - 2025 - 4.
Original Communication (restricted to ATLAS) - Full text

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2025-09-15
21:20
Search for long-lived charged particles using large specific ionisation and time-of-flight in 140 fb$^{-1}$ of pp collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / Nechaeva, Serafima (Universita e INFN, Bologna (IT))
Many BSM models predict the existence of heavy charged new particles with lifetimes of 1 ns or longer. [...]
ATL-PHYS-PROC-2025-062. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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2025-09-15
21:14
Latest releases of ATLAS Open Data for Education and Research / Toffolin, Leonardo (Universita degli Studi di Udine (IT))
The ATLAS Collaboration has recently, for the first time, released a large volume of data for use in research publications, with its use being now extended via a new education-focused release. [...]
ATL-OREACH-PROC-2025-003. - 2025 - 7.
Original Communication (restricted to ATLAS) - Full text

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2025-09-15
13:49
Commissioning and evolution of the Run 3 ATLAS Trigger / Nobe, Takuya (University of Tokyo (JP))
The ATLAS experiment in the LHC Run 3 uses a two-level trigger system to select events of interest to reduce the 40 MHz bunch crossing rate to a recorded rate of up to 3 kHz of fully-built physics events. [...]
ATL-DAQ-PROC-2025-013. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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2025-09-15
13:18
tt +heavy flavor measurements from ATLAS / Timoshyn, Denys (Charles University (CZ))
Proceedings on ttbar+heavy flavor measurements from ATLAS
ATL-PHYS-PROC-2025-061. - 2025 - 7.
Original Communication (restricted to ATLAS) - Full text

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2025-09-13
22:16
Effective field theory interpretations of the search for $HH\rightarrow b\bar{b}\gamma\gamma$ with 308 fb$^{-1}$ of data collected at $\sqrt{s} = 13$ TeV and 13.6 TeV with the ATLAS detector
This note presents interpretations of a search for Higgs boson pair production in the $b\bar{b}\gamma\gamma$ final state using the Standard Model Effective Field Theory (SMEFT) and Higgs Effective Field Theory (HEFT) frameworks. [...]
ATL-PHYS-PUB-2025-034. - 2025 - 18.
Original Communication (restricted to ATLAS) - Full text

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