… Different alignment techniques have been used to reconstruct the detector geometry. After
the initial alignment, a transverse impact parameter resolution of 22.1±0.9 µm and a relative …

… Events are required to contain a reconstructed displaced vertex and a reconstructed muon
with a large impact parameter. Unlike previous searches from the ATLAS Collaboration [35,36]…

… The number of pixel or SCT hits monotonically decreases with increasing impact parameter.
… distributions of impact parameters. In Fig. 5 we show the impact parameter resolution …

… ) and minimum-bias ATLAS MC09 simulation (histograms) for … (c) and longitudinal (d) impact
parameter distributions of the … Instead, the transverse impact parameter with respect to the …

… The efficiency of the two impact parameter requirements is around 94 %, ie applied together
they remove approximately 6 % of all tracks that would pass the other track selection criteria. …

… With their high granularity and low occupancy, the detectors combine well with the pixels
to provide measurements of track momentum, impact parameter, and vertex position. More …

… An additional study of the transverse impact parameter … transverse and longitudinal impact
parameter resolution improve by … Here, the transverse impact parameter, d0, is defined as the …

… (a) and Pixel (b) detectors, the transverse impact parameter (c) and longitudinal impact
parameter multiplied by sinθ (d). The inserts for the impact parameter plots show the log-scale …

… impact parameter … impact parameter itself is signed, with sign(d0) = sign(⃗pT;track × (⃗rIP;xy
− ⃗rPV;xy)), where ⃗rIP;xy and ⃗rPV;xy are the locations of the track impact parameter and …

… Therefore, the new ATLAS Pixel Detector consists of four pixel layers, a unique vertex
detector layout in the current LHC experiments. The impact parameter resolution improves by …