# ATLAS Notes

2019-03-25
16:22
 ATLAS LAr Calorimeter Performance in LHC Run 2 and Electronics Upgrades for next Runs / McKay, Madalyn Ann (Southern Methodist University, Department of Physics) Liquid argon (LAr) sampling calorimeters are employed by ATLAS for all electromagnetic calorimetry in the pseudo-rapidity region $|\eta| < 3.2$, and for hadronic and forward calorimetry in the region from $|\eta| = 1.5$ to $|\eta| = 4.9$. [...] ATL-LARG-PROC-2019-002. - 2019. - 4 p. Original Communication (restricted to ATLAS) - Full text

2019-03-22
13:53
 Module and System test Development for the Phase-2 ATLAS ITk Pixel Upgrade / Flick, Tobias (Bergische Universitaet Wuppertal) In the high-luminosity era of the Large Hadron Collider, the instantaneous luminosity is expected to reach unprecedented values, resulting in about 200 proton-proton interactions in a typical bunch crossing. [...] ATL-ITK-PROC-2019-008. - 2019. - 4 p. Original Communication (restricted to ATLAS) - Full text

2019-03-22
13:38
 Standard Model Summary Plots Spring 2019 This note presents cross section summary plots for measurements in the ATLAS Standard Model group as of Spring 2019.. ATL-PHYS-PUB-2019-010. - 2019. - 26 p. Original Communication (restricted to ATLAS) - Full text

2019-03-21
18:02
 Measurement of the CP violation phase $\phi_{s}$ in $B_{s}\to J/\psi \phi$ decays in ATLAS at 13 TeV A measurement of the $B_{s}$ decay parameters using 80.5 fb$^{-1}$ of integrated luminosity collected by the ATLAS detector from $13$ TeV $pp$ collisions at the LHC is presented. [...] ATLAS-CONF-2019-009. - 2019. Original Communication (restricted to ATLAS) - Full text

2019-03-21
11:57
 Search for electroweak production of charginos and sleptons decaying in final states with two leptons and missing transverse momentum in $\sqrt{s}=13$ TeV $pp$ collisions using the ATLAS detector A search for the electroweak production of charginos and sleptons decaying into final states with two electrons or muons is presented. [...] ATLAS-CONF-2019-008. - 2019. - 27 p. Original Communication (restricted to ATLAS) - Full text

2019-03-21
11:56
 Search for New Phenomena in Dijet Events using 139 fb$^{−1}$ of $pp$ collisions at $\sqrt{s}$ = 13TeV collected with the ATLAS Detector A search for new resonances decaying into two hadronic jets is reported using the entire dataset of proton-proton collisions recorded at $\sqrt{s}$ = 13 TeV with the ATLAS detector at the Large Hadron Collider between 2015 and 2018, corresponding to an integrated luminosity of 139 fb$^{−1}$ . [...] ATLAS-CONF-2019-007. - 2019. Original Communication (restricted to ATLAS) - Full text

2019-03-21
10:55
 Search for long-lived, massive particles in events with a displaced vertex and a displaced muon in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector A search for long-lived particles decaying into at least one muon and hadrons is presented. [...] ATLAS-CONF-2019-006. - 2019. Original Communication (restricted to ATLAS) - Full text

2019-03-21
10:50
 Combined measurements of Higgs boson production and decay using up to $80$ fb$^{-1}$ of proton--proton collision data at $\sqrt{s}=$ 13 TeV collected with the ATLAS experiment Combined measurements of Higgs boson production cross sections and branching fractions are presented. [...] ATLAS-CONF-2019-005. - 2019. - 79 p. Original Communication (restricted to ATLAS) - Full text

2019-03-19
20:29
 Measurement of Higgs boson production in association with a $t\overline t$ pair in the diphoton decay channel using 139~fb$^{-1}$ of LHC data collected at $\sqrt{s} = 13$~TeV by the ATLAS experiment The measurement of Higgs boson production in association with a top quark-antiquark pair in the diphoton decay channel ($H \to \gamma \gamma$) is presented, based on the analysis of 139~fb$^{-1}$ of proton-proton collision data with center-of-mass energy $\sqrt{s}=13$ TeV recorded with the ATLAS detector at the Large Hadron Collider. [...] ATLAS-CONF-2019-004. - 2019. Original Communication (restricted to ATLAS) - Full text

2019-03-19
13:05
 Constraint of the Higgs boson self-coupling from Higgs boson differential production and decay measurements This note sets constraints on the Higgs boson self-coupling exploiting single Higgs boson production. [...] ATL-PHYS-PUB-2019-009. - 2019. Original Communication (restricted to ATLAS) - Full text

Enfocat a:
ATLAS PUB Notes (2,779)