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ATLAS_2015_I1351916_EL

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Measurements from the ATLAS experiment of the forward-backward asymmetry in the reaction ppZ/γ+, with being electrons or muons. The results are based on the full set of data collected in 2011 in pp collisions at the LHC at s=7 TeV, corresponding to an integrated luminosity of 4.8 fb1. The measured asymmetry values are found to be in agreement with the corresponding Standard Model predictions. The default routine will pick up the electron decay channel of the Z boson. Individual channels can be specified directly with the plugins ATLAS_2014_I1312627_EL and ATLAS_2014_I1312627_MU, respectively. N.B. When running on multiple files, the asymmetry might have to be reconstructed in a post-processing step. To that end, the necessary Histo1D objects are written out as well. The asymmetry is a Scatter2D objects ending in y01 and is constructed from the Histo1D objects (ending in y02 and y03) in the following way: y01 = (y02 - y03) / (y02 + y03)

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