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ATLAS Notes

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2025-02-21
15:13
Searches For Beyond The Standard Model Physics Using Challenging And Long-lived Signatures With The ATLAS Detector / Ramirez-Berend, Ian Alejandro (Carleton University (CA))
Various theories beyond the Standard Model predict new, long-lived particles with unique signatures which are difficult to reconstruct and for which estimating the background rates is also a challenge [...]
ATL-PHYS-PROC-2025-014. - 2025 - 4.
Original Communication (restricted to ATLAS) - Full text

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2025-02-20
18:31
ATLAS ITk Pixel Detector Overview / Monzani, Simone (Universita degli Studi di Udine (IT))
In the high-luminosity era of the Large Hadron Collider, the instantaneous luminosity is expected to reach unprecedented values, resulting in up to 200 proton-proton interactions in a typical bunch crossing. [...]
ATL-ITK-PROC-2025-007. - 2025 - 6.
Original Communication (restricted to ATLAS) - Full text

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2025-02-20
13:56
AtlFast3: Fast Simulation in ATLAS for LHC Run 3 and Beyond / Corchia, Federico Andrea (Universita e INFN, Bologna (IT))
As we are approaching the high-luminosity era of the LHC, the computational requirements of the ATLAS experiment are expected to increase significantly in the coming years. [...]
ATL-SOFT-PROC-2025-034. - 2025 - 8.
Original Communication (restricted to ATLAS) - Full text

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2025-02-19
10:58
HL-LHC prospects for the measurement of triple-Higgs production in the 6b final state at the ATLAS experiment
Projection studies of the ATLAS Run 2 search for non-resonant triple Higgs production in the $6b$ final state are presented to highlight the expected performance achievable at the High Luminosity LHC. [...]
ATL-PHYS-PUB-2025-003. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-02-19
01:57
Performance of the ATLAS GNN4ITk Particle Track Reconstruction GPU pipeline / Poreba, Aleksandra (Heidelberg University (DE))
With the upcoming upgrade of High Luminosity LHC, the need for computation power will increase in the ATLAS trigger system by more than an order of magnitude. [...]
ATL-DAQ-PROC-2025-007. - 2025 - 8.
Original Communication (restricted to ATLAS) - Full text

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2025-02-18
08:21
Common ATLAS and CMS summary plots for Higgs boson mediated hidden sectors involving long-lived particles (Winter 2024-2025)
Summary plots for the Hidden Sector long-lived particle model, where the mediator is a Higgs boson [...]
ATL-PHYS-PUB-2025-002. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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2025-02-14
17:24
GPU Acceleration and EDM Developments for the ATLAS 3D Calorimeter Clustering in the Software Trigger / Dos Santos Fernandes, Nuno (Laboratory of Instrumentation and Experimental Particle Physics (PT))
The ATLAS experiment will undergo a series of upgrades in association with the High-Luminosity LHC upgrade. [...]
ATL-DAQ-PROC-2025-006. - 2025 - 8.
Original Communication (restricted to ATLAS) - Full text

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2025-02-14
05:36
A simplified configuration for common algorithms for ATLAS analysis / Lambert, Joseph Earl (University of Victoria (CA)) ; Russell, Heather (University of Victoria (CA)) ; Leight, William Axel (University of Massachusetts (US)) ; Krumnack, Nils Erik (Iowa State University (US)) ; Martinez Outschoorn, Verena Ingrid (University of Massachusetts (US)) ; Maroun, Matthew Kenneth (University of Massachusetts (US)) - Author, Developer Author, Developer Author, Developer Author, Developer Author
In the ATLAS analysis model, users must interact with specialized algorithms to perform a variety of tasks on their physics objects including calibration, identification, and obtaining systematic uncertainties for simulated events. [...]
ATL-SOFT-PROC-2025-033. - 2025 - 5.
Original Communication (restricted to ATLAS) - Full text

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2025-02-13
02:08
Higgs measurements from CMS and ATLAS / Tishelman-Charny, Abraham (Brookhaven National Laboratory (US))
Since the discovery of the Higgs boson in 2012 by the ATLAS and CMS collaborations at the Large Hadron Collider (LHC), extensive programs have been carried out to further study its properties. [...]
ATL-PHYS-PROC-2025-013. - 2025 - 9.
Original Communication (restricted to ATLAS) - Full text

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2025-02-12
16:28
ATLAS software tools to handle ROOT RNTuple / Rybkin, Grigori (Université Paris-Saclay (FR)) ; Mete, Alaettin Serhan (Argonne National Laboratory (US)) ; Nowak, Marcin (Brookhaven National Laboratory (US)) ; Van Gemmeren, Peter (Argonne National Laboratory (US))
The software of the ATLAS experiment at the CERN LHC accelerator contains a number of tools to inspect (validate, summarize, peek into etc.) all its official data formats recorded in ROOT files. [...]
ATL-SOFT-PROC-2025-032. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

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ATLAS Conference Contributions (5,783)
ATLAS PUB Notes (3,042)
ATLAS Conference Notes (1,266)