Department of Physics and Technology
Recent Submissions
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CP Properties of Higgs Boson Interactions with Top Quarks in the tt¯ H and tH Processes Using H→γγ with the ATLAS Detector
(Journal article; Peer reviewed, 2020-08-05)A study of the charge conjugation and parity (CP) properties of the interaction between the Higgs boson and top quarks is presented. Higgs bosons are identified via the diphoton decay channel (H→γγ), and their production ... -
Evidence for tt¯ tt¯ production in the multilepton final state in proton–proton collisions at √s=13 TeV with the ATLAS detector
(Journal article; Peer reviewed, 2020-11-24)A search is presented for four-top-quark production using an integrated luminosity of 139 fb−1 of proton–proton collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the LHC. Events are ... -
The Polar Wind Modulated by the Spatial Inhomogeneity of the Strength of the Earth's Magnetic Field
(Journal article; Peer reviewed, 2020)When the geomagnetic field is weak, the small mirror force allows precipitating charged particles to deposit energy in the ionosphere. This leads to an increase in ionospheric outflow from the Earth's polar cap region, but ... -
Dijet resonance search with weak supervision using √s = 13 TeV pp collisions in the ATLAS detector
(Journal article; Peer reviewed, 2020-09-21)This Letter describes a search for narrowly resonant new physics using a machine-learning anomaly detection procedure that does not rely on signal simulations for developing the analysis selection. Weakly supervised learning ... -
Alignment of the ATLAS Inner Detector in Run 2
(Journal article; Peer reviewed, 2020-12-24)The performance of the ATLAS Inner Detector alignment has been studied using pp collision data at s√=13TeV collected by the ATLAS experiment during Run 2 (2015–2018) of the Large Hadron Collider (LHC). The goal of the ... -
Search for heavy resonances decaying into a photon and a hadronically decaying Higgs boson in pp collisions at √s = 13 TeV with the ATLAS detector
(Journal article; Peer reviewed, 2020-12-18)This Letter presents a search for the production of new heavy resonances decaying into a Higgs boson and a photon using proton-proton collision data at √s=13 TeV collected by the ATLAS detector at the LHC. The data correspond ... -
Search for resonances decaying into a weak vector boson and a Higgs boson in the fully hadronic final state produced in proton-proton collisions at √s = 13 TeV with the ATLAS detector
(Journal article; Peer reviewed, 2020-12-17)A search for heavy resonances decaying into a W or Z boson and a Higgs boson produced in proton−proton collisions at the Large Hadron Collider at √s=13 TeV is presented. The analysis utilizes the dominant W→q¯q′ or Z→q¯q ... -
Fluctuations of anisotropic flow in Pb+Pb collisions at √sNN = 5.02 TeV with the ATLAS detector
(Journal article; Peer reviewed, 2020-01-09)Multi-particle azimuthal cumulants are measured as a function of centrality and transverse momentum using 470 μb−1 of Pb+Pb collisions at sNN−−−√ = 5.02 TeV with the ATLAS detector at the LHC. These cumulants provide ... -
Evidence for electroweak production of two jets in association with a Zγ pair in pp collisions at √s = 13 TeV with the ATLAS detector
(Journal article; Peer reviewed, 2020-04-10)Evidence for electroweak production of two jets in association with a Zγ pair in √s = 13 TeV proton– proton collisions at the Large Hadron Collider is presented. The analysis uses data collected by the ATLAS detector in ... -
Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two b-jets in pp collisions at √s=13 TeV with the ATLAS detector
(Journal article; Peer reviewed, 2020-08-01)The results of a search for electroweakino pair production pp→χ~±1χ~02 in which the chargino (χ~±1) decays into a W boson and the lightest neutralino (χ~01), while the heavier neutralino (χ~02) decays into the Standard ... -
Reconstruction and identification of boosted di-τ systems in a search for Higgs boson pairs using 13 TeV proton-proton collision data in ATLAS
(Journal article; Peer reviewed, 2020-11-30)In this paper, a new technique for reconstructing and identifying hadronically decaying τ+τ− pairs with a large Lorentz boost, referred to as the di-τ tagger, is developed and used for the first time in the ATLAS experiment ... -
Search for heavy Higgs bosons decaying into two Tau leptons with the ATLAS detector using pp collisions at √s=13 TeV
(Journal article; Peer reviewed, 2020-07-27)A search for heavy neutral Higgs bosons is performed using the LHC Run 2 data, corresponding to an integrated luminosity of 139 fb−1 of proton-proton collisions at √s=13 TeV recorded with the ATLAS detector. The search for ... -
Cluster and MMS simultaneous observations of magnetosheath high speed jets and their impact on the magnetopause
(Journal article; Peer reviewed, 2020-01-31)When the supersonic solar wind encounters the Earth's magnetosphere a shock, called bow shock, is formed and the plasma is decelerated and thermalized in the magnetosheath downstream from the shock. Sometimes, however, due ... -
Measurements of top-quark pair spin correlations in the eμ channel at √s=13 TeV using pp collisions in the ATLAS detector
(Journal article; Peer reviewed, 2020-08-19)A measurement of observables sensitive to spin correlations in tt¯ production is presented, using 36.1 fb−1 of pp collision data at s√=13 TeV recorded with the ATLAS detector at the Large Hadron Collider. Differential ... -
Suprathermal Fe in the Earth's Plasma Environment: Cluster RAPID Observations
(Journal article; Peer reviewed, 2020)Baryonic matter in geospace is almost exclusively in a plasma state, with protons (H +) and to some extent ionized helium (He) and oxygen (O) being the dominant ion species. But also other heavier ion species and even ... -
Hydrate Plugging and Flow Remediation during CO2 Injection in Sediments
(Journal article; Peer reviewed, 2020)Successful geological sequestration of carbon depends strongly on reservoir seal integrity and storage capacity, including CO2 injection efficiency. Formation of solid hydrates in the near-wellbore area during CO2 injection ... -
Storing CO2 as solid hydrate in shallow aquifers: Electrical resistivity measurements in hydrate-bearing sandstone
(Journal article; Peer reviewed, 2020)A recent proposed carbon dioxide (CO2) storage scheme suggests solid CO2 hydrate formation at the base of the hydrate stability zone to facilitate safe, long-term storage of anthropogenic CO2. These high-density hydrate ... -
Measurement of the azimuthal anisotropy of charged-particle production in Xe+Xe collisions at \(\sqrt{s_{NN}}\)=5.44 TeV with the ATLAS detector
(Journal article; Peer reviewed, 2020-02-10)This paper describes the measurements of flow harmonics v2–v6 in 3μb−1 of Xe+Xe collisions at \(\sqrt{s_{NN}}\)=5.44 TeV performed using the ATLAS detector at the Large Hadron Collider (LHC). Measurements of the centrality, ... -
Determination of jet calibration and energy resolution in proton–proton collisions at √s=8TeV using the ATLAS detector
(Journal article; Peer reviewed, 2020)The jet energy scale, jet energy resolution, and their systematic uncertainties are measured for jets reconstructed with the ATLAS detector in 2012 using proton–proton data produced at a centre-of-mass energy of 8 TeV with ... -
A note on the multiphase balance equations
(Journal article; Peer reviewed, 2020)The formulation and use of the momentum equations for multiphase systems are not always consistent in the literature. The objective of this note is to clarify an issue, which long has hounded the literature on the multiphase ...
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