Transverse sphericity of primary charged particles in minimum bias proton–proton collisions at $\mathbf{\sqrt{s}=0.9},~\mathbf{2.76}~\mbox{and}~\mathbf{7}~\mbox{TeV}$

Transverse sphericity of primary charged particles in minimum bias proton–proton collisions at $\mathbf{\sqrt{s}=0.9},~\mathbf{2.76}~\mbox{and}~\mathbf{7}~\mbox{TeV}$