### Studies of vector boson+jet production with the ATLAS detector.

Camille Belanger-Champagne
The production of jets or b-jets in association with a W or Z boson in proton-proton collisions at 7~TeV at the LHC is an important test of quantum chromodynamics (QCD). Electron and muon decay channels of the Z and W bosons are studied. Cross sections have been measured up to high jet multiplicities with the ATLAS detector on data samples with integrated luminosities between 33~pb$^{-1}$ and 37~pb$^{-1}$. These measurements were compared to new higher-order QCD...