# ATLAS Conference Notes

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

2019-03-17
17:27
 Search for diboson resonances in hadronic final states in 139 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector Narrow resonances decaying into $WW$, $WZ$ or $ZZ$ boson pairs are searched for in 139 fb$^{-1}$ of proton-proton data at a centre-of-mass energy of $\sqrt{s}=13$ TeV recorded with the ATLAS detector at the Large Hadron Collider from 2015 to 2018. [...] ATLAS-CONF-2019-003. - 2019. Original Communication (restricted to ATLAS) - Full text

2019-03-17
09:21
 Observation of light-by-light scattering in ultraperipheral Pb+Pb collisions with the ATLAS detector This note describes the observation of the light-by-light scattering process, $\gamma\gamma\to\gamma\gamma$, in Pb+Pb collisions at $\sqrt{s_\mathrm{NN}}$=5.02 TeV. [...] ATLAS-CONF-2019-002. - 2019. Original Communication (restricted to ATLAS) - Full text

2019-02-26
12:53
 Search for high-mass dilepton resonances using $139\,\mathrm{fb}^{-1}$ of $pp$ collision data collected at $\sqrt{s}=13\,\mathrm{TeV}$ with the ATLAS detector A search for high-mass dielectron and dimuon resonances in the mass range of 250$\,$GeV to 6$\,$TeV is presented. [...] ATLAS-CONF-2019-001. - 2019. Original Communication (restricted to ATLAS) - Full text

2018-12-18
08:38
 Calibration of the $b$-tagging eﬃciency on charm jets using a sample of $W$+$c$ events with $\sqrt{s}$ = 13 TeV ATLAS data The identification of jets containing $b$-hadrons ($b$-jets) is of fundamental importance for many physics analyses performed by the ATLAS experiment. [...] ATLAS-CONF-2018-055. - 2018. - 22 p. Original Communication (restricted to ATLAS) - Full text