… lated prompt photons using 880 nb−1 of data collected with the ATLAS detector at the Large
Hadron Collider (LHC). A measurement of the production cross section in pp collisions at √…

… The reconstruction of photons in the ATLAS detector is described in detail elsewhere [3…
The selection of photons is discussed in the following three sections: kinematic preselection, …

… The dataset used in this analysis was obtained using proton–proton collisions recorded
in 2012 by the ATLAS detector, when the LHC operated at a centre-of-mass energy of …

… of photons and hadronic jets produced in 13 TeV pp collisions. The efficiency of the identification
criteria is about 98% for converted photon candidates and 94% for unconverted photon …

… photon. The search uses up to 79.8 fb −1 of LHC proton–proton collisions collected by the
ATLAS … ATLAS constraints on dijet resonances to the mass range between 225 and 1100 GeV. …

… photons, ie excluding those originating from interactions with the material in the detector and
hadron or τ decays, in pp collisions can … in which the two photons are close to being back to …

… +ℓb (ℓ = e,µ), using 4.5 fbb1 of pp collisions at /s = 7 TeV and 20.3 fbb1 of pp collisions at /s
= 8 TeV, recorded by the ATLAS detector at the CERN Large Hadron Collider. The observed …

… In the following, all photons produced in pp collisions and that are not … ” photons, which
originate from the hard processes calculable in perturbative QCD, and “fragmentation” photons, …

… photon-jets using 36.7 fb−1 of LHC proton-proton collision data collected by the ATLAS
detector in … Candidate photon-jet pair production events are selected from those containing two …

… candidate decaying into two photons is reported. The search uses $139$ fb$^{-1}$ of
proton-proton collision data collected at $\sqrt{s}=13$ TeV with the ATLAS detector at the CERN …