This paper presents a summary of beam-induced backgrounds observed in the ATLAS
detector and discusses methods to tag and remove background contaminated events in …

The rejection of forward jets originating from additional proton–proton interactions (pile-up)
is crucial for a variety of physics analyses at the LHC, including Standard Model …

With the increase in energy of the Large Hadron Collider to a centre-of-mass energy of 13
TeV TeV for Run 2, events with dense environments, such as in the cores of high-energy …

Beam conditions and the potential detector damage resulting from their anomalies have
pushed the LHC experiments to build their own beam monitoring devices. The ATLAS Beam …

Measurements and searches performed with the ATLAS detector at the CERN LHC often
involve signatures with one or more prompt leptons. Such analyses are subject to 'fake/non …

This paper describes the implementation and performance of a particle flow algorithm
applied to 20.2 fb^-1-1 of ATLAS data from 8 TeV proton–proton collisions in Run 1 of the …

A detailed study is presented of the expected performance of the ATLAS detector. The
reconstruction of tracks, leptons, photons, missing energy and jets is investigated, together …

The ATLAS experiment at the Large Hadron Collider employs a two-level trigger system to
record data at an average rate of 1 kHz from physics collisions, starting from an initial bunch …

The response of the ATLAS detector to large-radius jets is measured in situ using 36.2 fb^-1-
1 of s= 13 s= 13 TeV proton–proton collisions provided by the LHC and recorded by the …

The performance of the jet trigger for the ATLAS detector at the LHC during the 2011 data
taking period is described. During 2011 the LHC provided proton–proton collisions with a …