# ATLAS Conference Notes

2020-02-26
12:04
 Search for a scalar partner of the top quark in the all-hadronic $t\bar{t}$ plus missing transverse momentum final state at $\sqrt{s}$ = 13 TeV with the ATLAS detector A search for direct pair production of scalar partners of the top quark (top squarks or scalar third-generation up-type leptoquarks) in the all-hadronic $t\bar{t}$ plus missing transverse momentum final state is presented. [...] ATLAS-CONF-2020-004. - 2020. - 48 p. Original Communication (restricted to ATLAS) - Full text

2020-02-26
12:01
 Search for new phenomena with top quark pairs in final states with one lepton, jets, and missing transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector A search for new phenomena with top quark pairs in final states with one isolated electron or muon, multiple jets, and large missing transverse momentum is performed. [...] ATLAS-CONF-2020-003. - 2020. Original Communication (restricted to ATLAS) - Full text

2020-02-20
15:22
 Search for new phenomena in final states with large jet multiplicities and missing transverse momentum using $\sqrt{s}=13~\mathrm{TeV}$ proton-proton collisions recorded by ATLAS in Run 2 of the LHC Results of a search for new particles decaying to eight or more jets and moderate missing transverse momentum are presented. [...] ATLAS-CONF-2020-002. - 2020. - 36 p. Original Communication (restricted to ATLAS) - Full text

2020-02-13
12:40
 Measurements of top-quark pair single- and double-differential cross-sections in the all-hadronic channel in $pp$ collisions at $\sqrt{s}$ = 13 TeV using the ATLAS detector Differential cross-sections are measured for top-quark pair production in the all-hadronic decay mode, using proton--proton collision events collected by the ATLAS experiment in which all six decay jets are separately resolved. [...] ATLAS-CONF-2020-001. - 2020. - 91 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

2019-11-04
10:58
 Longitudinal flow decorrelations in Xe+Xe collisions at $\sqrt{s_{\mathrm{NN}}}=5.44$ TeV with the ATLAS detector First measurement of longitudinal decorrelations of harmonic flow $v_n$ for $n=2$, 3 and 4 in Xe+Xe collisions at \mbox{$\sqrt{s_{\mathrm{NN}}}=5.44$}~TeV is obtained using the ATLAS detector at the LHC. [...] ATLAS-CONF-2019-055. - 2019. Original Communication (restricted to ATLAS) - Full text

2019-11-04
10:52
 Production of $\varUpsilon(\mathrm{nS})$ mesons in Pb+Pb and $\it{pp}$ collisions at 5.02 TeV with ATLAS The measurement of the production of bottomonium states, $\mit{\Upsilon}(\text{1S})$, $\mit{\Upsilon}(\text{2S})$ and $\mit{\Upsilon}(\text{3S})$, in Pb+Pb and $pp$ collisions at a center-of-mass energy per nucleon pair of $5.02~\mathrm{TeV}$ is presented. [...] ATLAS-CONF-2019-054. - 2019. - 20 p. Original Communication (restricted to ATLAS) - Full text

2019-11-04
10:46
 Measurement of azimuthal anisotropy of muons from charm and bottom hadrons in Pb+Pb collisions at $\sqrt{s_\mathrm{NN}}=5.02~\mathrm{TeV}$ with the ATLAS detector Azimuthal anisotropies of muons from charm and bottom decays are measured in Pb+Pb collisions at $\sqrt{s_\mathrm{NN}}= 5.02~\mathrm{TeV}$. [...] ATLAS-CONF-2019-053. - 2019. Original Communication (restricted to ATLAS) - Full text

2019-11-04
10:41
 Measurement of $Z$-tagged charged-particle yields in 5.02 TeV Pb+Pb and $pp$ collisions with the ATLAS detector The yields of charged particles azimuthally balanced by a high-transverse-momentum ($p_\mathrm{T}$) $Z$ boson are measured in $pp$ and Pb+Pb collision data recorded by the ATLAS detector at the Large Hadron Collider. [...] ATLAS-CONF-2019-052. - 2019. Original Communication (restricted to ATLAS) - Full text

2019-11-04
10:36
 Measurement of non-exclusive dimuon pairs produced via $\gamma\gamma$ scattering in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV with the ATLAS detector Results are presented of a measurement of dimuons produced via $\gamma\gamma$ scattering processes in inelastic, non-ultra-peripheral Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV. [...] ATLAS-CONF-2019-051. - 2019. Original Communication (restricted to ATLAS) - Full text