A search for $t\bar{t}$ resonances with the ATLAS detector in 2.05 fb−1 of proton-proton collisions at $\sqrt{s} = 7~\mathrm{TeV}$

BARBERIS, DARIO;FAVARETO, ANDREA;GAGLIARDI, GUIDO;OSCULATI, BIANCA MARIA;PARODI, FABRIZIO;