# CERN Accelerating science

The ATLAS Conference Slides collection contains transparencies on ATLAS that have been presented at conferences. More information about conferences can be found on the external ATLAS Talks at International Physics Conferences webpage.
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# ATLAS Conference Slides

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2020-08-08
11:14
 Search for Leptoquarks using the ATLAS detector / Okumura, Yasuyuki (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo) /ATLAS Collaboration 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 flavour factories. The ATLAS experiment has a broad program of direct searches for leptoquarks produced either in pairs or singly, coupling to the first-, second- or third-generation particles. [...] ATL-PHYS-SLIDE-2020-280.- Geneva : CERN, 2020 Fulltext: PDF; External link: Original Communication (restricted to ATLAS) In : 40th International Conference on High Energy Physics, Prague, Czech Republic, 28 Jul - 6 Aug 2020

2020-08-08
10:53
 Upgrade of ATLAS Hadronic Tile Calorimeter for the High Luminosity LHC / Moayedi, Seyedali (The University of Texas at Arlington) /ATLAS Collaboration The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment, with steel as absorber and plastic scintillators as active medium. The High-Luminosity phase of LHC, delivering five times the LHC nominal instantaneous luminosity, is expected to begin in 2026. [...] ATL-TILECAL-SLIDE-2020-279.- Geneva : CERN, 2020 - 18 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)

2020-08-08
10:51
 Performance of the ATLAS Tile Calorimeter / Harkusha, Siarhei (Institute of Physics, National Academy of Sciences) /ATLAS Collaboration The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment, with steel as absorber and plastic scintillators as active medium. The scintillators are read-out by the wavelength shifting fibres coupled to the photomultiplier tubes (PMTs). [...] ATL-TILECAL-SLIDE-2020-278.- Geneva : CERN, 2020 - 14 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS) In : 40th International Conference on High Energy Physics, Prague, Czech Republic, 28 Jul - 6 Aug 2020

2020-08-08
10:49
 Measurements of Luminosity in ATLAS with Tile Calorimeter / Gonzalez Fernandez, Sergio (Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, Spain) ; ATLAS Tile Collaboration /ATLAS Collaboration Luminosity measurements in ATLAS are provided primarily by LUCID detector, but rely on other detectors for determining the systematics associated with this measurement. The Tile Calorimeter, the central hadronic calorimeter at the ATLAS experiment, plays an especially important role because the Tile luminosity measurement is independent of pileup, a feature shared with the Track counting luminosity measurement. [...] ATL-TILECAL-SLIDE-2020-277.- Geneva : CERN, 2020 - 5 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS) In : 40th International Conference on High Energy Physics, Prague, Czech Republic, 28 Jul - 6 Aug 2020

2020-08-07
22:42
 Search for Scalar Leptoquark Pair Production Decaying into Top-Quarks and Leptons at $\sqrt{s}$ = 13 TeV with ATLAS detector / Wong, Vincent Wai Sum (University of British Columbia) /ATLAS Collaboration This poster presents a search for pair-produced scalar leptoquarks decaying to leptons and hadronic top quarks using 139 $\text{fb}^{-1}$ of data recorded by the ATLAS detector at $\sqrt{s}$ = 13 TeV. As well as being predicted by various extensions of the Standard Model to describe the similarity between the quark and lepton sectors, leptoquarks provide a promising explanation for anomalies observed in both the lepton universality tests in B decays and muon anomalous magnetic moment measurement. [...] ATL-PHYS-SLIDE-2020-276.- Geneva : CERN, 2020 - 5 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS) In : 40th International Conference on High Energy Physics, Prague, Czech Republic, 28 Jul - 6 Aug 2020

2020-08-07
17:52
 Measurements of Vector-boson production via weak-boson fusion at ATLAS / Guo, Jun (Shanghai Jiao Tong University) /ATLAS Collaboration Measurements that exploit electroweak boson scattering and electroweak boson fusion (VBF) processes have become increasingly common at the Large Hadron Collider in the last few years. All of these measurements and searches rely on accurate theoretical modelling of the VBF and VBS production mechanisms. [...] ATL-PHYS-SLIDE-2020-275.- Geneva : CERN, 2020 Fulltext: PDF; External link: Original Communication (restricted to ATLAS) In : 40th International Conference on High Energy Physics, Prague, Czech Republic, 28 Jul - 6 Aug 2020

2020-08-07
17:51
 Measurement of the Higgs boson coupling to tau leptons in proton-proton collisions at √s = 13 TeV with the ATLAS detector at the LHC / Sauerburger, Frank (Albert-Ludwigs-Universitaet Freiburg) /ATLAS Collaboration The thus far only observed coupling of the Higgs boson to leptons is that to tau leptons. Its coupling strength is measured using decays of Higgs boson into two tau leptons in the gluon-fusion and vector-boson-fusion production channels. [...] ATL-PHYS-SLIDE-2020-274.- Geneva : CERN, 2020 Fulltext: PDF; External link: Original Communication (restricted to ATLAS) In : 40th International Conference on High Energy Physics, Prague, Czech Republic, 28 Jul - 6 Aug 2020

2020-08-07
17:49
 Determination of the Parton Density Functions of the Proton with the ATLAS data / Sutton, Mark (University of Sussex) /ATLAS Collaboration In this talk we present fits to determine parton distribution functions (PDFs) using inclusive W/Z-boson and W+jets measurements from the ATLAS experiment at the LHC. The ATLAS measurements are used in combination with deep-inelastic scattering data from HERA. [...] ATL-PHYS-SLIDE-2020-273.- Geneva : CERN, 2020 - 14 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS) In : 40th International Conference on High Energy Physics, Prague, Czech Republic, 28 Jul - 6 Aug 2020

2020-08-07
17:48
 Measurements of W/Z boson production in association with jets at ATLAS / Vittori, Camilla (Universita e INFN, Bologna) /ATLAS Collaboration Measurements of W/Z-boson production in association with jets provide important test of perturbative QCD prediction and also yield information about the parton distribution functions of the proton. In this talk, differential cross-sections for vector-boson production in association with jets using proton-proton collisions collected by the ATLAS experiment are presented. [...] ATL-PHYS-SLIDE-2020-272.- Geneva : CERN, 2020 - 14 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS) In : 40th International Conference on High Energy Physics, Prague, Czech Republic, 28 Jul - 6 Aug 2020

2020-08-07
17:47
 Search for Invisibly Decaying Vector Boson Fusion Produced Higgs Bosons with 139 fb$^{-1}$ of $pp$ collisions with the ATLAS Detector / Steinhebel, Amanda Lynn (University of Oregon) /ATLAS Collaboration While the Standard Model (SM) predicts a branching ratio of the Higgs boson decaying to invisible particles of O(0.001), the current measurement of the Higgs boson coupling to other SM particles allows for up to 30\% of the Higgs boson width to originate from decays beyond the SM (BSM). The small SM-allowed rate of Higgs boson decays to invisible particles can be enhanced if the Higgs boson decays into a pair of weakly interacting massive particles (WIMPs), which may explain the nature of dark matter. [...] ATL-PHYS-SLIDE-2020-271.- Geneva : CERN, 2020 - 5 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS) In : 40th International Conference on High Energy Physics, Prague, Czech Republic, 28 Jul - 6 Aug 2020