engPastore, FReadiness of the ATLAS detector : performance with the first beam and cosmic dataDetectors and Experimental TechniquesATL-GEN-SLIDE-2009-102ATL-COM-GEN-2009-021The readiness of the ATLAS detector and the complete system has been described, during the 2008/2009 data taking period, both with the first beam experience, and with cosmic rays.2009-05-15http://cds.cern.ch/record/1177420General ATLAShttp://cds.cern.ch/record/1177420oai:cds.cern.ch:1177420conference start date 25th May 2009