# ATLAS Conference Notes

2019-06-21
22:20
 Measurement of azimuthal anisotropy of muons from charm and bottom hadrons in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector The elliptic flow of charm and bottom decay muons is measured in high-multiplicity \pp collisions at $\sqrt{s}=13$ TeV with an integrated luminosity of 150 pb$^{-1}$ using the ATLAS detector at the LHC. [...] ATLAS-CONF-2019-023. - 2019. Original Communication (restricted to ATLAS) - Full text

2019-06-21
21:20
 Two-particle azimuthal correlations in photo-nuclear ultra-peripheral Pb+Pb collisions at 5.02~TeV with ATLAS This note presents a measurement of two-particle long-range azimuthal correlations in photo-nuclear collisions using 1.73~nb$^{-1}$ of 5.02~TeV~Pb+Pb data collected in 2018 by ATLAS with a dedicated photo-nuclear event trigger. [...] ATLAS-CONF-2019-022. - 2019. Original Communication (restricted to ATLAS) - Full text

2019-06-03
12:34
 Luminosity determination in $pp$ collisions at $\sqrt{s}=13$ TeV using the ATLAS detector at the LHC This note describes the preliminary determination of the integrated luminosity for $pp$ collisions at $\sqrt{s}=13$ TeV recorded by the ATLAS detector during Run 2 of the LHC from 2015-2018. [...] ATLAS-CONF-2019-021. - 2019. - 20 p. Original Communication (restricted to ATLAS) - Full text

2019-05-28
10:42
 Search for chargino-neutralino production with mass splittings near the electroweak scale in three-lepton final states in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector A search for supersymmetry through the pair production of electroweakinos with mass splitting near the electroweak scale decaying via on-shell $W$ and $Z$ bosons is presented in a three-lepton final state. [...] ATLAS-CONF-2019-020. - 2019. - 36 p. Original Communication (restricted to ATLAS) - Full text

2019-05-28
10:41
 Search for direct production of electroweakinos in final states with missing transverse energy and a Higgs boson decaying into photons in pp collisions at $\sqrt{s}=13$ TeV with the ATLAS detector A search for a chargino-neutralino pair decaying via the 125 GeV Higgs boson into photons is presented. [...] ATLAS-CONF-2019-019. - 2019. - 27 p. Original Communication (restricted to ATLAS) - Full text

2019-05-28
10:39
 Search for direct stau production in events with two hadronic tau leptons in √s = 13 TeV pp collisions with the ATLAS detector A search for the direct production of staus in final states with two hadronically decaying tau leptons is presented. [...] ATLAS-CONF-2019-018. - 2019. - 27 p. Original Communication (restricted to ATLAS) - Full text

2019-05-28
10:36
 Search for direct top squark pair production in the 3-body decay mode with a final state containing one lepton, jets, and missing transverse momentum in $\sqrt{s}=13$TeV $pp$ collision data with the ATLAS detector A search for direct pair production of top squarks, the supersymmetric partner of the top quark, is presented. [...] ATLAS-CONF-2019-017. - 2019. Original Communication (restricted to ATLAS) - Full text

2019-05-28
10:33
 Search for top squarks in events with a $Z$ boson using 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV with the ATLAS detector A search for direct top squark pair production in events with a same-flavour opposite-sign dilepton pair with invariant mass consistent with a $Z$ boson plus missing transverse momentum is presented. [...] ATLAS-CONF-2019-016. - 2019. Original Communication (restricted to ATLAS) - Full text

2019-05-28
10:29
 Search for squarks and gluinos in final states with same-sign leptons and jets using 139 fb$^{-1}$ of data collected with the ATLAS detector A search for supersymmetric partners of gluons and quarks is presented, involving signatures with jets and either two isolated leptons (electrons or muons) with the same electric charge, or at least three isolated leptons. [...] ATLAS-CONF-2019-015. - 2019. - 24 p. Original Communication (restricted to ATLAS) - Full text

2019-05-22
16:27
 Searches for electroweak production of supersymmetric particles with compressed mass spectra in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS detector This note presents results of searches for electroweak production of supersymmetric particles in models with compressed mass spectra. [...] ATLAS-CONF-2019-014. - 2019. - 36 p. Original Communication (restricted to ATLAS) - Full text