Neutron energy spectra of a 238Pu-18O(alpha, n) source--unmoderated and polyethylene moderated.
D000512:Alpha Particles; D009502:Neutrons; D009680:Nuclear Fission; D010103:Oxygen Isotopes; D011005:Plutonium; D011095:Polyethylenes
D010103:Oxygen Isotopes; D011095:Polyethylenes; D011005:Plutonium