Fe 20+ + Ar →Fe 19+
Table 1 (Experiment)
W.G.Graham,K.H.Berkner, R.V.Pyle, A.S.Schlachter, J.W.Stearns, J.A.Tanis // Phys.Rev. A v.30 p.722 (1984)
Fe 20+ + Ar → Fe 18+
Table 2 (Experiment)