Open AccessEarly QCD measurements with ATLAS
Author(s) -
C. M. Buttar
Publication year - 2009
Publication title -
cern document server (european organization for nuclear research)
Language(s) - English
Resource type - Conference proceedings
DOI - 10.3360/dis.2009.74
Subject(s) - atlas (anatomy) , quantum chromodynamics , computer science , particle physics , physics , geology , paleontology
This note describes some of the early QCD analyses that will be carried out by the ATLAS experiment [2] [3] with the first LHC data: measurement of characteristics of inelastic pp collisions through studies of minimum bias events, modelling and characterising the underlying event and the uncertainties on the jet energy scale (JES) of high-PT jets, which is the principal uncertainty on the inclusive jet cross-section and will limit the constraints that can be placed on the high-x gluon pdf.
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