RSS 1.0Particle Physics
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Measurement of angular and momentum distributions of charged particles within and around jets in Pb plus Pb and pp collisions at root s(NN)=5.02 TeV with the ATLAS detector
(American Physical Society, 2019-12-02)Studies of the fragmentation of jets into charged particles in heavy-ion collisions can provide information about the mechanism of jet quenching by the hot and dense QCD matter created in such collisions, the quark-gluon ... -
Fluctuations of anisotropic flow in Pb plus Pb collisions at root s(NN)=5.02 TeV with the ATLAS detector
(Springer, 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‾‾‾‾√ s N N = 5.02 TeV with the ATLAS detector at the LHC. These cumulants ... -
Measurement of J/psi production in association with a W-+/- boson with pp data at 8 TeV
(Springer, 2020-01-16)A measurement of the production of a prompt J/ψ meson in association with a W± boson with W± → μν and J/ψ → μ+μ− is presented for J/ψ transverse momenta in the range 8.5–150 GeV and rapidity |yJ/ψ| < 2.1 using ATLAS data ... -
Measurement of long-range two-particle azimuthal correlations in Z-boson tagged pp collisions at root s=8 and 13 TeV
(Springer, 2020-01-25)Results are presented from the measurement by ATLAS of long-range (|Δ𝜂|>2 | Δ η | > 2 ) dihadron angular correlations in 𝑠√=8 s = 8 and 13 TeV pp collisions containing a Z boson. The analysis is performed ... -
Performance of electron and photon triggers in ATLAS during LHC Run 2
(Springer, 2020-01-22)Electron and photon triggers covering transverse energies from 5 GeV GeV to several TeV TeV are essential for the ATLAS experiment to record signals for a wide variety of physics: from Standard Model processes ... -
Measurement of flow harmonics correlations with mean transverse momentum in lead-lead and proton-lead collisions at root s(NN)=5.02 TeV with the ATLAS detector
(Springer, 2019-12)To assess the properties of the quark–gluon plasma formed in ultrarelativistic ion collisions, the ATLAS experiment at the LHC measures a correlation between the mean transverse momentum and the flow harmonics. The analysis ... -
Transverse momentum and process dependent azimuthal anisotropies in root S-NN=8.16 TeV p plus Pb collisions with the ATLAS detector
(Springer, 2020-01-30)The azimuthal anisotropy of charged particles produced in 𝑠NN‾‾‾‾√=8.16 s N N = 8.16 TeV p+Pb collisions is measured with the ATLAS detector at the LHC. The data correspond to an integrated luminosity of 165 ... -
Combined measurements of Higgs boson production and decay using up to 80 fb(-1) of proton-proton collision data at root S=13 TeV collected with the ATLAS experiment
(American Physical Society, 2020-01-03)Combined measurements of Higgs boson production cross sections and branching fractions are presented. The combination is based on the analyses of the Higgs boson decay modes H → γ γ , Z Z ∗ , W W ∗ , τ τ , ... -
Combination of searches for Higgs boson pairs in pp collisions at root s=13 TeV with the ATLAS detector
(Elsevier, 2020-01-10)This letter presents a combination of searches for Higgs boson pair production using up to 36.1 of proton–proton collision data at a centre-of-mass energy TeV recorded with the ATLAS detector at the LHC. The combination ... -
Search for flavour-changing neutral currents in processes with one top quark and a photon using 81 fb(-1) of pp collisions at root s=13 TeV with the ATLAS experiment
(Elsevier, 2020-01-10)A search for flavour-changing neutral current (FCNC) events via the coupling of a top quark, a photon, and an up or charm quark is presented using 81 fb−1 of proton–proton collision data taken at a centre-of-mass energy ... -
Resonances in e(+) e(-) annihilation near 2.2 GeV
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Search for Magnetic Monopoles and Stable High-Electric-Charge Objects in 13 Tev Proton-Proton Collisions with the ATLAS Detector
(American Physical Society, 2020-01-23)A search for magnetic monopoles and high-electric-charge objects is presented using 34.4 fb − 1 of 13 TeV p p collision data collected by the ATLAS detector at the LHC during 2015 and 2016. The considered ... -
Measurement of differential cross sections for single diffractive dissociation in root s=8 TeV pp collisions using the ATLAS ALFA spectrometer
(Springer, 2020-02-06)A dedicated sample of Large Hadron Collider proton-proton collision data at centre-of-mass energy 𝑠√ s = 8 TeV is used to study inclusive single diffractive dissociation, pp → X p. The intact final-state proton is ... -
Search for non-resonant Higgs boson pair production in the bbl nu l nu final state with the ATLAS detector in pp collisions at root s=13 TeV
(Elsevier, 2020-02-10)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 channel and the other via one of the ⁎ ⁎ channels. The analysis ... -
Search for electroweak production of charginos and sleptons decaying into final states with two leptons and missing transverse momentum in root s=13 TeV pp collisions using the ATLAS detector
(Springer, 2020-02-14)A search for the electroweak production of charginos and sleptons decaying into final states with two electrons or muons is presented. The analysis is based on 139 fb−1 − 1 of proton–proton collisions recorded by the ... -
Measurement of the azimuthal anisotropy of charged-particle production in Xe plus Xe collisions at root S-NN=5.44 TeV with the ATLAS detector
(American Physical Society, 2020-02-10)This paper describes the measurements of flow harmonics v 2 – v 6 in 3 μ b − 1 of Xe + Xe collisions at √ s N N = 5.44 TeV performed using the ATLAS detector at the Large Hadron Collider ... -
Search for displaced vertices of oppositely charged leptons from decays of long-lived particles in pp collisions at root s=13 TeV with the ATLAS detector
(Elsevier, 2020-02-10)A search for long-lived particles decaying into an oppositely charged lepton pair, μμ, ee, or eμ, is presented using of pp collision data collected at TeV by the ATLAS detector at the LHC. Candidate leptons are ... -
Search for the Higgs boson decays H -> ee and H -> e mu in pp collisions at root s=13 TeV with the ATLAS detector
(Elsevier, 2020-02-10)Searches for the Higgs boson decays and are performed using data corresponding to an integrated luminosity of collected with the ATLAS detector in pp collisions at TeV at the LHC. No significant signals are ... -
Search for Rare or Forbidden Decays of the D-0 Meson
(American Physical Society, 2020-02-19)We present a search for nine lepton-number-violating and three lepton-flavor-violating neutral charm decays of the type D 0 → h ' − h − ℓ ' + ℓ + and D 0 → h ' − h + ℓ ' ± ℓ ∓ , where h ... -
Measurement of Azimuthal Anisotropy of Muons from Charm and Bottom Hadrons in pp Collisions at root s=13 TeV with the ATLAS Detector
(American Physical Society, 2020-02-26)The elliptic flow of muons from the decay of charm and bottom hadrons is measured in p p collisions at √ s = 13 TeV using a data sample with an integrated luminosity of 150 pb − 1 recorded ...
