#Solid black line from Fig. 14 (https://arxiv.org/abs/1612.05644) - collisional ionization
132.92608158649844 0.9872872500819346
215.2272806524423 0.38902938661911984
328.11308092289175 0.1676123731699805
564.2499769813403 0.05117266176746288
970.3302155096447 0.016026927501710565
1351.4638935837474 0.008047507102686952
2060.3010015067935 0.003253001056768177
2784.422413450911 0.0017633483247720177
3651.3975818467366 0.0009681307013191615
1e10 1e-6