# ATLAS Notes

2019-11-19
11:31
 The ATLAS Electron and Photon Trigger Performance in Run 2 / ATLAS Collaboration Electron and photon triggers covering transverse energies from 5 GeV to several TeV are essential for the ATLAS experiment to record signals for a wide variety of physics: from Standard Model processes to searches for new phenomena in both proton–proton and heavy-ion collisions. [...] ATL-DAQ-PROC-2019-031. - 2019. - 8 p. Original Communication (restricted to ATLAS) - Full text

2019-11-18
10:15
 Observation of Light-by-Light scattering in ATLAS / Schmieden, Kristof (European Laboratory for Particle Physics, CERN) These proceedings describe the observation of the light-by-light scattering process, $\gamma\gamma\rightarrow\gamma\gamma$, in Pb+Pb collisions at $\sqrt{s_\textrm{NN}} = 5.02\,\TeV$. [...] ATL-PHYS-PROC-2019-155. - 2019. - 4 p. Original Communication (restricted to ATLAS) - Full text

2019-11-16
01:51
 Non factorisation in ATLAS and ALICE vdM scans: experience in Run 2, impact on luminosity calibration / Dyndal, Mateusz (European Laboratory for Particle Physics, CERN) The original vdM formalism assumes that the particle densities in each bunch can be factorised into independent horizontal and vertical components. [...] ATL-DAPR-PROC-2019-002. - 2019. - 5 p. Original Communication (restricted to ATLAS) - Full text

2019-11-14
07:34
 Measurement of suppression of large-radius jets and its dependence on substructure in Pb+Pb at 5.02 TeV by ATLAS detector This note presents measurement of the nuclear modification factor of large-radius jets in $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV Pb+Pb collisions by the ATLAS experiment. [...] ATLAS-CONF-2019-056. - 2019. Original Communication (restricted to ATLAS) - Full text

2019-11-11
10:21
 Measurement of Radiation Damage through Leakage Current Monitoring of the ATLAS Pixel Detector Radiation damage incurred by the silicon modules in the ATLAS Pixel Detector $B$-Layer, Layer-1, Layer-2, and disks from the beginning of 2011 through November 2018 has been monitored through measurement of the leakage current. [...] ATL-INDET-PUB-2019-001. - 2019. - 20 p. Original Communication (restricted to ATLAS) - Full text

2019-11-09
15:14
 RECENT PRECISION W/Z MEASUREMENTS AT THE LHC / Vranjes, Nenad (Institute of Physics, University of Belgrade) Recent precision measurements of W and Z bosons obtained with the ATLAS, CMS and LHCb experiments are reviewed.. ATL-PHYS-PROC-2019-154. - 2019. - 8 p. Original Communication (restricted to ATLAS) - Full text

2019-11-08
19:16
 ATLAS muon trigger performance / Policicchio, Antonio (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica) Events containing muons in the final state are an important signature for many analyses being carried out at the Large Hadron Collider (LHC), including both standard model measurements and searches for new physics. [...] ATL-DAQ-PROC-2019-030. - 2019. - 5 p. Original Communication (restricted to ATLAS) - Full text

2019-11-08
16:02
 Precision Measurements in the Higgs Sector at ATLAS and CMS / Sopczak, Andre (Czech Technical University in Prague) A concise review of precision measurements in the Higgs sector of the Standard Model (SM) of particle physics is given using ATLAS and CMS data. [...] ATL-PHYS-PROC-2019-153. - 2019. - 8 p. Original Communication (restricted to ATLAS) - Full text

2019-11-07
19:49
 Searches for Heavy Di-boson Resonances with the ATLAS Detector / Ilic, Nikolina (Radboud University Nijmegen and NIKHEF) The ATLAS collaboration has performed searches for new heavy resonances decaying to pairs of vector bosons and Higgs bosons with 36fb-1 and 139 fb-1 of data collected by the Large Hadron Collider. [...] ATL-PHYS-PROC-2019-152. - 2019. - 6. Original Communication (restricted to ATLAS) - Full text

2019-11-07
14:39
 ATLAS Outreach: on the dissemination of High Energy Physics and Computer Sciences / Sanchez Pineda, Arturos (Abdus Salam Int. Cent. Theor. Phys. (IT)) The members of large High Energy Physics (HEP) collaborations come from all over the world. [...] ATL-OREACH-PROC-2019-006. - 2019. - 10 p. Original Communication (restricted to ATLAS) - Full text

ATLAS PUB Notes (2,815)