# ATLAS Conference Contributions

2021-01-25
16:53
 Measurement of the inclusive and differential cross section of a top quark pair in association with a $Z$ boson at $13\,\text{TeV}$ with the ATLAS detector / Fischer, Florian Christoph (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) The inclusive as well as differential cross section of the associated production of top-antitop quark pairs and a $Z$ boson ($t\bar{t}Z$) is measured in final states with exactly three or four isolated leptons (electrons or muons). [...] ATL-PHYS-PROC-2021-004. - 2021. - 4 p. Original Communication (restricted to ATLAS) - Full text

2021-01-22
14:08
 Searches for new phenomena in final states involving leptons and jets using the ATLAS detector / Wong, Vincent Wai Sum (University of British Columbia) Many beyond the Standard Model signatures predict new physics phenomena that lead to final states containing both leptons and jets. [...] ATL-PHYS-PROC-2021-003. - 2021. - 13 p. Original Communication (restricted to ATLAS) - Full text

2021-01-15
14:40
 Test of the Tau and Muon Lepton Universality in W Boson Decays from $t\bar{t}$ events in ATLAS / Sanderswood, Izaac Gregory (Lancaster University, Department of Physics) ; ATLAS Collaboration The Standard Model of particle physics is our current best understanding of physics at the smallest scales. [...] ATL-PHYS-PROC-2021-002. - 2021. - 6 p. Original Communication (restricted to ATLAS) - Full text

2021-01-10
17:49
 Measurements and searches of Higgs boson decays to two quarks with the ATLAS experiment at the LHC / Battaglia, Marco (Santa Cruz Institute for Particle Physics, University of California Santa Cruz) ; Sciandra, Andrea (Santa Cruz Institute for Particle Physics, University of California Santa Cruz) The study of the properties of the Higgs boson is central to the LHC physics program for testing the Standard Model and searching for New Physics signals. [...] ATL-ITK-PROC-2021-001. - 2021. - 6 p. Original Communication (restricted to ATLAS) - Full text

2021-01-05
11:59
 Reconstruction techniques in supersymmetry searches with soft objects in the ATLAS experiment / Chen, Shion (Department of Physics and Astronomy, University of Pennsylvania) The compressed mass spectra in supersymmetry (SUSY) is a well-motivated regime, and reconstructing the soft decay products from the sparticle decays is essential for the searches. [...] ATL-PHYS-PROC-2021-001. - 2021. - 6 p. Original Communication (restricted to ATLAS) - Full text

2020-12-18
20:50
 Cosmic results with the final Micromegas sectors for the ATLAS Muon upgrade / Rabanal Bolanos, Gabriel (Harvard University) The detector technology for the innermost end-cap muon stations (Small Wheels) of the ATLAS detector needs to be upgraded to cope with the upgraded beam luminosity in the High Luminosity Large Hadron Collider (HL-LHC). [...] ATL-MUON-PROC-2020-023. - 2020. - 5 p. Original Communication (restricted to ATLAS) - Full text

2020-12-18
20:42
 Search for new resonances in high-mass diphoton final states using proton-proton collision data collected with the ATLAS detector / Wang, Yufeng (University of Science and Technology of China) A search for new resonances decaying to two photons is performed, using 139 $fb^{-1}$ collision data at $\sqrt{s}$=3TeV collected by the ATLAS detector at the LHC. [...] ATL-PHYS-PROC-2020-124. - 2020. - 3 p. Original Communication (restricted to ATLAS) - Full text

2020-12-17
18:24
 Design of Bus Tapes for the ATLAS Strip End-Cap at the HL-LHC / Carrio Argos, Fernando (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Bernabeu Verdu, Jose (Univ. of Valencia and CSIC (ES)) ; Cindro, Vladimir (Jozef Stefan Institute) ; Gorisek, Andrej (Jozef Stefan Institute (SI)) The ATLAS Phase-II Upgrade will replace the Inner detector with a new all-silicon Inner Tracker (ITk) to accommodate the radiation damage and track density expected at the High-Luminosity LHC (HL-LHC). [...] ATL-ITK-PROC-2020-009. - 2020. - 5 p. Original Communication (restricted to ATLAS) - Full text

2020-12-17
18:22
 Measurement of differential cross sections and of the Higgs boson mass in Higgs boson decays to bosons using the ATLAS detector / Laudrain, Antoine (Institut fuer Physik, Universitaet Mainz) Despite small branching fractions, the $H \to \gamma\gamma$ and $H \to ZZ^* \to 4\ell$ Higgs boson decays provide clean and well reconstructed final states, allowing for precise measurements of the Higgs boson properties. [...] ATL-PHYS-PROC-2020-123. - 2020. - 6 p. Original Communication (restricted to ATLAS) - Full text

2020-12-13
12:05
 A High-Granularity Timing Detector for the ATLAS Phase-II upgrade / Rizzi, Chiara (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve) The High-Luminosity (HL) phase of the Large Hadron Collider (LHC) at CERN will offer a great opportunity to consolidate and expand the LHC physics program, but it will also present several experimental challenges. [...] ATL-LARG-PROC-2020-010. - 2020. - 6 p. Original Communication (restricted to ATLAS) - Full text