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ATLAS PUB Notes

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2025-10-20
10:23
Summary plots for Axion-like particle models
This note presents summary plots for the 95% confidence level limits on the cross-section times branching ratio for axion-like particles (ALPs), for both prompt and long-lived scenarios. [...]
ATL-PHYS-PUB-2025-043. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

Detaljerad journal
2025-10-19
18:45
Summary plots for beyond Standard Model Higgs boson benchmarks for direct and indirect searches
This note presents an update of the plots that summarize the interpretations of various searches for additional Higgs bosons beyond the Standard Model, as well as the Higgs boson coupling combination, in the hMSSM, the 2HDM and the GM model. [...]
ATL-PHYS-PUB-2025-042. - 2025 - 25.
Original Communication (restricted to ATLAS) - Full text

Detaljerad journal
2025-10-19
15:20
Dark matter summary plots for s-channel and dark Higgs models
This note presents summary plots for dark matter simplified models with spin-1 and spin-0 mediators and a dark Higgs model. [...]
ATL-PHYS-PUB-2025-041. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

Detaljerad journal
2025-10-19
12:40
Projected sensitivity for non-resonant production of vector leptoquarks and single production of vector-like $T$ quarks in final states with b-jets with the ATLAS experiment at the HL-LHC
Projected sensitivity for $t$-channel vector leptoquark in final states with $b$-jets, and single-production vector-like $T$ quark (VLT) decaying to $W(\ell \nu)b$, using the ATLAS experiment at the High Luminosity LHC (HL-LHC) is presented: obtained from the extrapolation of analyses from the Run 2 dataset, using 140 $\mathrm{fb^{-1}}$ of data at $\sqrt{s} = 13$ TeV. [...]
ATL-PHYS-PUB-2025-040. - 2025 - 14.
Original Communication (restricted to ATLAS) - Full text

Detaljerad journal
2025-10-18
19:43
Summary plots for Higgs boson mediated hidden sector involving long-lived particles
This note presents summary plots for the Higgs portal scenario, in which the Standard Model (SM) Higgs boson interacts with a neutral scalar particle from a hidden sector that couples only weakly to SM particles. [...]
ATL-PHYS-PUB-2025-039. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

Detaljerad journal
2025-10-18
19:32
Summary plots for Heavy Neutral Leptons
This note presents summary plots for a Majorana heavy neutral lepton that mixes with a single lepton flavour of the Standard Model. [...]
ATL-PHYS-PUB-2025-038. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

Detaljerad journal
2025-10-02
15:06
Combined effective field theory interpretation of $t\bar{t}$ rapidity and energy asymmetry measurements using $\sqrt{s}=13$ TeV ATLAS data
Measurements of the rapidity asymmetry in top-quark pair production and the energy asymmetry in the top-quark pair production associated with an energetic jet provide information on effective field theory parameters. [...]
ATL-PHYS-PUB-2025-037. - 2025 - 13.
Original Communication (restricted to ATLAS) - Full text

Detaljerad journal
2025-09-17
15:15
Towards a Systematic Uncertainty Model for the Powheg $bb4\ell$ Monte Carlo sample
This note presents a study of the ATLAS Monte Carlo (MC) sample describing $pp \to b \bar{b} \ell^+ \ell^- \nu_{\ell} \bar{\nu}_{\ell}$ events at next-to-leading order in quantum chromodynamics. [...]
ATL-PHYS-PUB-2025-036. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

Detaljerad journal
2025-09-17
11:55
Reference Single Top-Quark Cross-Sections for ATLAS and CMS Analyses
This note presents reference cross-sections and recommendations for the evaluation of uncertainties in the three main single top-quark production-processes of the Standard Model. [...]
ATL-PHYS-PUB-2025-035. - 2025 - mult..
Original Communication (restricted to ATLAS) - Full text

Detaljerad journal
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

Detaljerad journal