4 papers
hep-ex2026
Observation of production at 13 TeV with the ATLAS detector
ATLAS Collaboration
This paper presents the first observation of top-quark pair production in association with two photons (). The measurement is performed in the single-lepton decay cha…
hep-ex2026
Precision measurement of the meson lifetime using decays with the ATLAS detector
ATLAS Collaboration
A measurement of the meson lifetime using decays in data from 13 TeV proton-proton collisions with an integrated luminosity of 140 fb recorded by…
hep-ex2025
The performance of missing transverse momentum reconstruction and its significance with the ATLAS detector using 140 fb of TeV collisions
ATLAS Collaboration
This paper presents the reconstruction of missing transverse momentum () in proton-proton collisions, at a center-of-mass energy of 13 TeV. This is a ch…
hep-ex2024
Search for flavour-changing neutral-current couplings between the top quark and the Higgs boson in multi-lepton final states in 13 TeV collisions with the ATLAS detector
ATLAS Collaboration
A search is presented for flavour-changing neutral-current interactions involving the top quark, the Higgs boson and an up-type quark () with the ATLAS detector at the Large…