A measurement of the charge asymmetry in top-quark pair (tt¯) production in association
with a photon is presented. The measurement is performed in the single-lepton tt¯ decay …

A bstract A study of the polarisation and CP properties in ZZ production is presented. The
used data set corresponds to an integrated luminosity of 140 fb− 1 of proton-proton …

A bstract A search for new heavy scalars with flavour-violating decays in final states with
multiple leptons and b-tagged jets is presented. The results are interpreted in terms of a …

The ATLAS experiment has developed extensive software and distributed computing
systems for Run 3 of the LHC. These systems are described in detail, including software …

A bstract A search for leptoquarks decaying into the bτ final state is performed using Run 2
proton-proton collision data from the Large Hadron Collider, corresponding to an integrated …

Semi-visible jets, with a significant contribution to the event's missing transverse momentum,
can arise in strongly interacting dark sectors. This results in an event topology where one of …

This report reviews the published results of searches for possible additional scalar particles
and exotic decays of the Higgs boson performed by the ATLAS Collaboration using up to …

A bstract A search for a new massive charged gauge boson, W′, is performed with the
ATLAS detector at the LHC. The dataset used in this analysis was collected from proton …

This Letter reports the observation of single top quarks produced together with a photon,
which directly probes the electroweak coupling of the top quark. The analysis uses 139 fb-1 …

A bstract This paper describes a search for the single production of an up-type vector-like
quark (T) decaying as T→ Ht or T→ Zt. The search utilises a dataset of pp collisions at\(\sqrt …