W/Z+jets as signal and background in ATLAS
  Events containing W or Z bosons with accompanying jets are important channels to test the Standard Model. These proceedings discuss W/Z+Jets production cross section measurements and their use to understand the detectors and their performances after the LHC start-up. At the same time, these processes are a major source of background to new physics searches, such as SUSY. Methods, mostly data-driven, to identify these events as signals and backgrounds to searches will be presented. 
Ellie Dobson (for the ATLAS collaboration)