× Investigation of the ⁹Be(a,n) ¹²C Reaction / Investigation of the ?Be(a,n) ¹²C ReactionDifferential Cross Sections for Ea ? 7.02 - 15.70 MeV and Eex(¹²C) ? 0.0, 4.439, 7.654, 9.641, 10.84, 11.83 and 12,71 MeV44 Abb. Verfügbarkeit jetzt prüfen