Related paper Production of $π^0$ and $η$ mesons up to high transverse momentum in pp collisions at 2.76 TeV Shower shape ($\sigma^2_{\rm long}$) distributions for $\pi^0$ candidates with $18 < p_{\rm T} < 22 \gevc$ compared in data and MC (left panel), and corresponding signal and background contributions in MC (right panel).[png] [eps][png] [eps]
