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# ATLAS Conference Notes

2022-04-11
14:32
 Measurement of substructure-dependent jet suppression in Pb+Pb collisions at 5.02 TeV with the ATLAS detector Jet substructure modification and suppression are measured in Pb+Pb collisions at a nucleon-nucleon center-of-mass energy $\sqrt{s_\mathrm{NN}}=5.02~\mathrm{TeV}$ with respect to $pp$ collisions at $\sqrt{s}=5.02~\mathrm{TeV}$ with the ATLAS detector at the Large Hadron Collider. [...] ATLAS-CONF-2022-026. - 2022. - 26 p. Original Communication (restricted to ATLAS) - Full text

2022-04-11
14:31
 Exclusive dielectron production in ultraperipheral Pb+Pb collisions at $\sqrt{s_\mathrm{NN}}$ = 5.02 TeV with ATLAS Exclusive production of dielectron pairs, $\gamma\gamma\rightarrow e^+e^-$, is studied using $L=1.72$ nb$^{-1}$ of data from ultraperipheral collisions of lead nuclei at $\sqrt{s_\mathrm{NN}}$ = 5.02 TeV recorded by the ATLAS detector at the LHC. [...] ATLAS-CONF-2022-025. - 2022. Original Communication (restricted to ATLAS) - Full text

2022-04-11
14:29
 Strong constraints on jet quenching in centrality-dependent $p$+Pb collisions at $5.02$ TeV from ATLAS Jet quenching is the process of color-charged partons losing energy via interactions with quark-gluon plasma droplets created in heavy-ion collisions. [...] ATLAS-CONF-2022-024. - 2022. Original Communication (restricted to ATLAS) - Full text

2022-04-11
14:28
 Correlation of $\Upsilon$ meson production with the underlying event in $pp$ collisions measured by the ATLAS experiment The multiplicity and distributions of kinematic variables of charged particles produced in association with an $\Upsilon$ meson are measured in proton-proton collisions using the data collected by the ATLAS experiment at the LHC. [...] ATLAS-CONF-2022-023. - 2022. Original Communication (restricted to ATLAS) - Full text

2022-04-11
14:26
 Measurements of the azimuthal correlations of muon pairs from heavy-flavor decays in 5.02 TeV Pb+Pb collisions with the ATLAS detector This analysis measures azimuthal correlations and yields of muon pairs that arise from decays of heavy-flavor (HF) quarks in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}$=5.02 TeV. [...] ATLAS-CONF-2022-022. - 2022. Original Communication (restricted to ATLAS) - Full text

2022-04-11
14:24
 Photo-nuclear jet production in ultra-peripheral Pb+Pb collisions at $\sqrt{s}_\text{NN} = 5.02$ TeV with the ATLAS detector Results are presented from a measurement by ATLAS of photo-nuclear production of dijet and multi-jet final states in ultra-peripheral Pb+Pb collisions at $\sqrt{s}_\text{NN} = 5.02$ TeV. [...] ATLAS-CONF-2022-021. - 2022. - 34 p. Original Communication (restricted to ATLAS) - Full text

2022-04-11
14:23
 Measurements of longitudinal flow decorrelations in 5.02 TeV and 13 TeV $pp$ collisions and 5.44 TeV Xe+Xe collisions with the ATLAS detector This note presents measurements of longitudinal flow decorrelations in 5.02 TeV and 13 TeV $pp$ collisions and 5.44 TeV Xe+Xe collisions with the ATLAS detector. [...] ATLAS-CONF-2022-020. - 2022. Original Communication (restricted to ATLAS) - Full text

2022-04-05
13:45
 Comparison of inclusive and photon-tagged jet suppression in 5.02 TeV Pb+Pb collisions with ATLAS This note presents a measurement of photon-tagged jet energy loss in the quark-gluon plasma, using 1.7 nb$^{-1}$ of Pb+Pb data and 260 pb$^{-1}$ of $pp$ data, both at 5.02 TeV, with the ATLAS detector. [...] ATLAS-CONF-2022-019. - 2022. Original Communication (restricted to ATLAS) - Full text

2022-04-04
11:48
 Search for boosted diphoton resonances in the 10 to 70 GeV mass range using 138 $fb^{-1}$ of 13 TeV $pp$ collisions with the ATLAS detector A search for diphoton resonances in the mass range between 10 to 70 GeV with the ATLAS experiment at the Large Hadron Collider is presented. [...] ATLAS-CONF-2022-018. - 2022. Original Communication (restricted to ATLAS) - Full text

2022-04-04
11:47
 Search for displaced photons produced in exotic decays of the Higgs boson using 13~TeV $pp$ collisions with the ATLAS detector A search is performed for delayed and non-pointing photons originating from the displaced decay of a neutral long-lived particle (LLP). [...] ATLAS-CONF-2022-017. - 2022. - 27 p. Original Communication (restricted to ATLAS) - Full text