Related paper Event-by-event mean $p_{\rm T}$ fluctuations in pp and Pb-Pb collisions at the LHC Relative fluctuation $\sqrt{C_m}/M(\pt)_m$ as a function of $\langle \rm{d}N_{\rm ch}/\rm d\eta \rangle$ in pp collisions at $\sqrt{s}$ = 0.9, 2.76 and 7 TeV.[png] [pdf]