Search
Now showing items 11-20 of 70
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
A search for new resonances decaying into a pair of jets is reported using the dataset of proton-proton collisions recorded at s√ = 13 TeV with the ATLAS detector at the Large Hadron Collider between 2015 and 2018, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
We characterized the pulsed Rydberg-positronium production inside the Antimatter Experiment: Gravity, Interferometry, Spectroscopy (AE¯gIS) apparatus in view of antihydrogen formation by means of a charge exchange reaction ...
(Journal article / Tidsskriftartikkel / PublishedVersion; 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 √s=13 TeV proton-proton collision data collected by ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
Searches for the Higgs boson decays H→ee and H→eμ are performed using data corresponding to an integrated luminosity of 139fb−1 collected with the ATLAS detector in ppcollisions at √s=13TeV at the LHC. No significant signals ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
Electron and photon triggers covering transverse energies from 5 GeV to several TeV are essential for the ATLAS experiment to record signals for a wide variety of physics: from Standard Model processes to searches for ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
Jet substructure quantities are measured using jets groomed with the soft-drop grooming procedure in dijet events from 32.9 fb−1 of pp collisions collected with the ATLAS detector at √s=13 TeV. These observables are ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
Inclusive and differential cross-sections for the production of top quarks in association with a photon are measured with proton-proton collision data corresponding to an integrated luminosity of 139 fb−1. The data were ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
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 ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
A search is presented for pair production of long-lived neutral particles using 33 fb−1 of √s=13 TeV proton–proton collision data, collected during 2016 by the ATLAS detector at the LHC. This search focuses on a topology ...