Related paper Event-by-event mean $p_{\rm T}$ fluctuations in pp and Pb-Pb collisions at the LHC Relative dynamical mean transverse momentum fluctuations in pp collisions as a function of $\sqrt{s}$. The ALICE results for $\sqrt{C}/M(\pt)_m$ are compared to the quantity $R$ measured at the ISR (see text and \cite{isr}).[png] [pdf]