Commissioning ATLAS and CMS with top quarks
  The large ttbar production cross-section at the LHC suggests the use of top quark decays to calibrate several critical parts of the detectors, such as the trigger system, the jet energy scale and b-tagging. 
B. S. Acharya, F. Cavallari, G. Corcella, R. Di Sipio, G. Petrucciani