Search for direct third-generation squark pair production in final states with missing transverse momentum and two b-jets in root s=8 TeV pp collisions with the ATLAS detector

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