Table 1
Data from Figure 4
10.17182/hepdata.67658.v1/t1
The obtained 90% CL upper limits (ULs) on the mixing parameter $\epsilon^2$ for each dark photon (DP) mass hypothesis tested.
https://www.hepdata.net/record/data/59804yaml https://www.hepdata.net/record/data/59804/csvcsv