# ATLAS Conference Notes

2023-03-23
17:17
 Observation of $W\gamma\gamma$ triboson production in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector This note reports the observation of $W(\ell\nu)\gamma\gamma$ production in proton-proton collisions. [...] ATLAS-CONF-2023-005. - 2023. - 22 p. Original Communication (restricted to ATLAS) - Full text

2023-03-23
07:36
 Improved W boson Mass Measurement using 7 TeV Proton-Proton Collisions with the ATLAS Detector The $W$ boson mass is one of the most interesting fundamental parameters of the Standard Model of particle physics, as it allows for model-independent probes for effects of new physics. [...] ATLAS-CONF-2023-004. - 2023. - 20 p. Original Communication (restricted to ATLAS) - Full text

2023-03-21
10:04
 Measurement of the $H \to \gamma \gamma$ fiducial cross-section in $pp$ collisions at $\sqrt{s}=13.6$ TeV with the ATLAS detector The Higgs boson production cross-section in the di-photon decay channel is measured using $31.4 \ \mathrm{fb}^{-1}$ of $pp$ collision data collected with the ATLAS detector at a centre-of-mass energy of $\sqrt{s}=13.6 \ \mathrm{TeV}$. [...] ATLAS-CONF-2023-003. - 2023. - 14 p. Original Communication (restricted to ATLAS) - Full text

2023-03-06
15:59
 Search for an Axion-Like Particle with forward proton scattering in association with photon pairs at ATLAS A search for forward proton scattering in association with light-by-light scattering mediated by an axion-like particle is presented, using the ATLAS Forward Proton spectrometer to detect scattered protons and the central ATLAS detector to detect pairs of outgoing photons. [...] ATLAS-CONF-2023-002. - 2023. Original Communication (restricted to ATLAS) - Full text

2023-01-05
19:40
 Search for charged-lepton-flavour violating $\mu\tau qt$ interactions in top-quark production and decay with the ATLAS detector at the LHC A search for charged-lepton-flavour violating $\mu\tau qt$ interaction is presented, considering both in top-quark production and decay. [...] ATLAS-CONF-2023-001. - 2023. - 27 p. Original Communication (restricted to ATLAS) - Full text

2022-12-02
15:24
 Measurement of the $t\bar{t}$ cross-section and $t\bar{t}/Z$ cross-section ratio using LHC Run 3 $pp$ collision data at a centre-of-mass energy of $\sqrt{s} = 13.6$ TeV The inclusive top quark pair ($t\bar{t}$) production cross-section $\sigma_{t\bar{t}}$ has been measured in proton-proton collisions at $\sqrt{s} = 13.6$ TeV, using 1.2 fb${}^{-1}$ of data collected in August 2022 by the ATLAS experiment at the Large Hadron Collider. [...] ATLAS-CONF-2022-070. - 2022. Original Communication (restricted to ATLAS) - Full text

2022-11-29
20:47
 Search for dark matter produced in association with a Higgs boson decaying to tau leptons at $\sqrt{s} =13$ TeV with the ATLAS detector A search for dark matter produced in association with a Higgs boson in final states with two hadronically decaying $\tau$-leptons and missing transverse momentum is presented. [...] ATLAS-CONF-2022-069. - 2022. Original Communication (restricted to ATLAS) - Full text

2022-11-29
20:46
 Evidence of off-shell Higgs boson production and constraints on the total width of the Higgs boson in the $ZZ\rightarrow 4\ell$ and $ZZ\rightarrow 2\ell2\nu$ decay channels with the ATLAS detector This note reports a search for off-shell production of the Higgs boson using 139 fb$^{-1}$of $pp$ collision data at $\sqrt{s}=$ 13 TeV collected by the ATLAS detector at the Large Hadron Collider. [...] ATLAS-CONF-2022-068. - 2022. Original Communication (restricted to ATLAS) - Full text

2022-11-29
20:45
 Measurement of the Higgs boson production cross section in association with a vector boson and decaying into $WW^\ast$ with the ATLAS detector at $\sqrt{s} = 13$ TeV A measurement of the total Higgs boson production cross sections via associated $WH$ and $ZH$ production using $H\to WW^{*}\to \ell\nu\ell\nu$ and $H\to WW^{*} \to \ell\nu jj$ decays is presented. [...] ATLAS-CONF-2022-067. - 2022. Original Communication (restricted to ATLAS) - Full text

2022-11-29
20:43
 Search for heavy resonances in the decay channel 𝑾+𝑾− → 𝒆𝝂𝝁𝝂 in 𝒑 𝒑 Collisions at √𝒔 = 13 TeV using 139 fb−1 of data with the ATLAS detector A search for neutral heavy resonances (𝑅) is made in the 𝑊+𝑊− → 𝑒𝜈𝜇𝜈 decay channel using 𝑝𝑝 collision data corresponding to an integrated luminosity of 139 fb−1, collected at a centre-of-mass energy of 13 TeV by the ATLAS detector at the CERN Large Hadron Collider. [...] ATLAS-CONF-2022-066. - 2022. - 34 p. Original Communication (restricted to ATLAS) - Full text