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Now showing items 21-30 of 359
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 ...
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 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 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 ...
Evidence for tt¯ tt¯ production in the multilepton final state in proton–proton collisions at √s=13 TeV with the ATLAS detector
(Springer Nature, 2020-11-01)
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 13TeV 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
(American Physical Society, 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→qq¯′ or Z→qq¯ ...
Search for Higgs boson decays into two new low-mass spin-0 particles in the 4b channel with the ATLAS detector using pp collisions at s =13 TeV
(American Physical Society, 2020-12-07)
This paper describes a search for beyond the Standard Model decays of the Higgs boson into a pair of new spin-0 particles subsequently decaying into b-quark pairs, H→aa→(bb¯)(bb¯), using proton-proton collision data collected ...
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
(American Physical Society, 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 ...
Determination of jet calibration and energy resolution in proton–proton collisions at √s=8TeV using the ATLAS detector
(Springer Nature, 2020-12-01)
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 ...