Transverse sphericity of primary charged particles in minimum bias proton–proton collisions at s√=0.9, 2.76 and 7 TeV - Aamodt, K; Barros, G O V de; Godoy, D A Moreira De; Figueredo, M A S; Carlin Filho, Nelson; Deppman, Airton; Munhoz, Marcelo Gameiro; Suaide, Alexandre Alarcon do Passo; Toledo, A Szanto de (The European Physical Journal C, 2012)