Observation of Spin Correlation in t(t)over-bar Events from pp Collisions at root s=7 TeV Using the ATLAS Detector

G. Aad, B. Abbott, Mogens Dam, Jørgen Beck Hansen, Peter Henrik Hansen, John Renner Hansen, Jørn Dines Hansen, Simon Johann Franz Heisterkamp, Morten Dam Jørgensen, Ask Emil Løvschall-Jensen, Esben Bryndt Klinkby, Nele Maria Philomena Boelaert, Sascha Mehlhase, Björn Stefan Nilsson, Troels Christian Petersen, Stefania Xella