# ATLAS Notes

2022-12-08
14:10
 Developments regarding the integration of FPGA RDMA into the ATLAS Readout with FELIX in High Luminosity LHC / Vasile, Matei (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO)) ; Martoiu, Sorin (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO)) ; Boukadida, Nayib (Nikhef National institute for subatomic physics (NL)) ; Stoicea, Gabriel (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO)) ; Micu, Petru (University Politehnica of Bucharest (RO)) ; Dumitru, Alexandru (University Politehnica of Bucharest (RO)) ; Ulmamei, Andrei-Alexandru (University Politehnica of Bucharest (RO)) ; Hobincu, Radu (University Politehnica of Bucharest (RO)) ; Iordache, Cristina-Cerasela (University Politehnica of Bucharest (RO)) - design, hardware development design, hardware development networking support hardware development hardware development support hardware development support software development support software development support RDMA (Remote Direct Memory Access) is used by the ATLAS experiment at CERN in the new readout system called FELIX (Front-End Link eXchange). [...] ATL-DAQ-PROC-2022-025. - 2022. - 3 p. Original Communication (restricted to ATLAS) - Full text

2022-12-07
11:40
 Global Trigger Versatile Module for ATLAS Phase-II upgrade / Filimonov, Viacheslav (Johannes Gutenberg Universitaet Mainz (DE)) ; Bauss, Bruno (Johannes Gutenberg Universitaet Mainz (DE)) ; Buescher, Volker (Johannes Gutenberg Universitaet Mainz (DE)) ; Schaefer, Uli (Johannes Gutenberg Universitaet Mainz (DE)) ; Ta, Duc Bao (Johannes Gutenberg Universitaet Mainz (DE)) The ATLAS detector at the Large Hadron Collider will undergo a major Phase-II upgrade for the High Luminosity LHC. [...] ATL-DAQ-PROC-2022-024. - 2022. - 6 p. Original Communication (restricted to ATLAS) - Full text

2022-12-05
12:40
 Search for the leptonic charge asymmetry of top-quark--antiquark pair production in association with a W boson with ATLAS / Miralles Lopez, Marcos (Univ. of Valencia and CSIC (ES)) A search for the leptonic charge asymmetry~($A_{c}^{\ell}$) of top--antitop quark pair production in association with a $W$~boson~($t\bar{t}W$) is presented. [...] ATL-PHYS-PROC-2022-118. - 2022. - 6 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

2022-12-01
15:30
 Performance Studies of the Low Gain Avalanche Detectors for the ATLAS High Granularity Timing Detector in Beam Tests / Raskina, Valentina (Centre National de la Recherche Scientifique (FR)) The significant increase of pileup interactions is one of the main experimental challenges for the physics program during the High Luminosity (HL) LHC operation phase. [...] ATL-HGTD-PROC-2022-005. - 2022. - 8 p. Original Communication (restricted to ATLAS) - Full text

2022-11-30
13:04
 Charge asymmetry in top-pair production with the ATLAS detector / Eckerova, Barbora (Comenius University (SK)) Measurement of the inclusive and differential top-quark charge asymmetry is carried out using full Run2 data from proton-proton collisions at center-of-mass energy of $13$ TeV collected by the ATLAS detector. [...] ATL-PHYS-PROC-2022-117. - 2022. - 5 p. 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