Department of Physics and Technology
Nye registreringer
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Measurement of azimuthal anisotropy of muons from charm and bottom hadrons in pp collisions at √s=13 TeV with the ATLAS detector
(Journal article; Peer reviewed, 2020)The elliptic flow of muons from the decay of charm and bottom hadrons is measured in pp collisions at √s=13 TeV using a data sample with an integrated luminosity of 150 pb−1 recorded by the ATLAS detector at the LHC. The ... -
Transverse momentum and process dependent azimuthal anisotropies in √sNN−−−=8.16 TeV p+Pb collisions with the ATLAS detector
(Journal article; Peer reviewed, 2020)The azimuthal anisotropy of charged particles produced in sNN−−−√=8.16sNN=8.16 TeV p+Pb collisions is measured with the ATLAS detector at the LHC. The data correspond to an integrated luminosity of 165 nb−1nb−1 that was ... -
Unveiling the strong interaction among hadrons at the LHC
(Journal article; Peer reviewed, 2020)One of the key challenges for nuclear physics today is to understand from first principles the effective interaction between hadrons with different quark content. First successes have been achieved using techniques that ... -
Search for non-resonant Higgs boson pair production in the bbℓνℓν final state with the ATLAS detector in pp collisions at √s=13 TeV
(Journal article; Peer reviewed, 2020)A search for non-resonant Higgs boson pair production, as predicted by the Standard Model, is presented, where one of the Higgs bosons decays via the H → bb channel and the other via one of the H → W W ∗/Z Z∗/ττ channels. ... -
K<sup>∗</sup>(892) meson production in inelastic p+p interactions at 158 GeV/c beam momentum measured by NA61/SHINEat the CERN SPS
(Journal article; Peer reviewed, 2020)The measurement of K∗(892)0 resonance production via its K+π− decay mode in inelastic p+p collisions at beam momentum 158 Ge V /c (sNN−−−−√=17.3 Ge V ) is presented. The data were recorded by the NA61/SHINE hadron ... -
Measurement of the (anti-)3He elliptic flow in Pb–Pb collisions at √sNN=5.02 TeV
(Journal article; Peer reviewed, 2020)The elliptic flow (v2) of (anti-)3He is measured in Pb–Pb collisions at √sNN = 5.02 TeV in the transversemomentum (pT) range of 2–6 GeV/c for the centrality classes 0–20%, 20–40%, and 40–60% using the event-plane method. ... -
Probing the effects of strong electromagnetic fields with charge-dependent directed flow in Pb-Pb collisions at the LHC
(Journal article; Peer reviewed, 2020)The first measurement at the LHC of charge-dependent directed flow (v1) relative to the spectator plane is presented for Pb-Pb collisions at √sNN=5.02 TeV. Results are reported for charged hadrons and D0 mesons for the ... -
Searches for electroweak production of supersymmetric particles with compressed mass spectra in √s=13 TeV pp collisions with the ATLAS detector
(Journal article; Peer reviewed, 2020)This paper presents results of searches for the electroweak production of supersymmetric particles in models with compressed mass spectra. The searches use 139 fb−1 of ffiffi s p ¼ 13 TeV proton-proton collision data ... -
Evidence of rescattering effect in Pb–Pb collisions at the LHC through production of K⁎(892)0 and ϕ(1020) mesons
(Journal article; Peer reviewed, 2020)Measurements of K∗(892)0 and φ(1020) resonance production in Pb–Pb and pp collisions at √sNN = 5.02 TeV with the ALICE detector at the Large Hadron Collider are reported. The resonances are measured at midrapidity (|y| ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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, ... -
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 ... -
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 ...
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