# ATLAS Conference Contributions

2021-07-27
06:09
 Measurements of $t\overline{t}$ production cross sections with the ATLAS experiment at the LHC / Spalla, Margherita (Max-Planck-Institut fur Physik (DE)) Comprehensive measurements of differential cross-sections of top-quark-antiquark pair-production are presented. [...] ATL-PHYS-PROC-2021-045. - 2021. - 5 p. Original Communication (restricted to ATLAS) - Full text

2021-07-26
12:23
 Recent Highlights on Higgs Physics from the LHC / Schopf, Elisabeth (University of Oxford (GB)) Many of the Higgs boson production and decay channels, predicted by the Standard Model, have been observed since its 2012 discovery. [...] ATL-PHYS-PROC-2021-044. - 2021. - 12 p. Original Communication (restricted to ATLAS) - Full text

2021-07-25
20:18
 Physics motivation and detector upgrades for the new era of the ATLAS experiment / Nielsen, Jason (University of California,Santa Cruz (US)) The ATLAS experiment at CERN's Large Hadron Collider will be upgraded in two stages to prepare first for the Run~3 data-taking campaign, during which the integrated luminosity will roughly double, and then for the High-Luminosity LHC program with an ultimate integrated luminosity of up to 4 ab$^{-1}$. [...] ATL-PHYS-PROC-2021-043. - 2021. - 5 p. Original Communication (restricted to ATLAS) - Full text

2021-07-23
03:43
 Measurement of the $t\bar{t}t\bar{t}$ production at 13 TeV with the ATLAS detector at the LHC / Oncel, Omer Ogul (University of Bonn (DE)) Two measurements and their combination for the $t\bar{t}t\bar{t}$ production cross-section analysis using 139 fb$^{-1}$ of proton$-$proton collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the LHC are presented. [...] ATL-PHYS-PROC-2021-042. - 2021. - 5 p. Original Communication (restricted to ATLAS) - Full text

2021-07-16
16:59
 ATLAS Results with Beauty Mesons / Perrevoort, Ann-Kathrin (Nikhef National institute for subatomic physics (NL)) A broad range of measurements involving $B$ mesons are performed with the ATLAS experiment at the Large Hadron Collider, of which a selection is discussed in this note. [...] ATL-PHYS-PROC-2021-041. - 2021. - 6 p. Original Communication (restricted to ATLAS) - Full text

2021-07-13
14:47
 Prospects for Higgs and di-Higgs measurements at the ATLAS experiment / Betti, Alessandra (Southern Methodist University (US)) The large dataset of about 3000 $\rm{fb}^{-1}$ that will be collected at the High Luminosity LHC (HL-LHC) will be used to measure Higgs boson processes in detail. [...] ATL-PHYS-PROC-2021-040. - 2021. - 7 p. Original Communication (restricted to ATLAS) - Full text

2021-07-13
14:46
 Measurements of W and Z boson production in ATLAS / Wu, Zhibo (Université Paris-Saclay (FR)) ; Balli, Fabrice (Université Paris-Saclay (FR)) ; Deliot, Frederic (Université Paris-Saclay (FR)) - Institute review Institute review Precision measurements of the production cross-sections of W and Z boson at LHC provide important tests of perturbative QCD and information about the parton distribution functions for quarks within the proton. [...] ATL-PHYS-PROC-2021-039. - 2021. - 9 p. Original Communication (restricted to ATLAS) - Full text

2021-07-11
23:19
 The Data Acquisition System for the ATLAS Phase-II TileCalorimeter Demonstrator / Carrio Argos, Fernando (Univ. of Valencia and CSIC (ES)) The Tile Calorimeter (TileCal) is the central hadronic calorimeter of the ATLAS experiment at Large Hadron Collider (LHC). [...] ATL-TILECAL-PROC-2021-006. - 2021. - 4 p. Original Communication (restricted to ATLAS) - Full text

2021-07-11
13:22
 Searches for Leptoquarks with the ATLAS Detector / Sopczak, Andre (Czech Technical University in Prague (CZ)) Leptoquarks (LQ) are predicted by many new physics theories to describe the similarities between the lepton and quark sectors of the Standard Model and offer an attractive potential explanation for the lepton flavour anomalies observed at LHCb and flavour factories. [...] ATL-PHYS-PROC-2021-038. - 2021. - 10 p. Original Communication (restricted to ATLAS) - Full text

2021-07-08
12:03
 Cosmic results with the final Micromegas sectors for the ATLAS Muon upgrade / Maniatis, Ioannis Michail (Aristotle University of Thessaloniki (GR)) With the upgraded beam luminosity in LHC run-3, the detector technology for the innermost end-cap muon station (small wheel) of the ATLAS detector needs to be upgraded. [...] ATL-MUON-PROC-2021-003. - 2021. - 4 p. Original Communication (restricted to ATLAS) - Full text