Figure 121a

Energy
2.76 TeV
5.02 TeV
7 TeV
8 TeV
13 TeV
System
p-p
Pb-Pb
p-Pb
Figure Image
Figure image (.eps)
Figure Caption

Invariant-mass distribution for two-photon production of $\rm e^+e^-$ pairs with the leptons within $|\eta|< 0.9$, at $\sqrt{s_{\rm NN}}=2.76$~TeV~, compared with the lowest-order QED prediction.

Detail description

Figure extracted from paper