Effective and average neutron energies of (alpha, n) sources behind hydrogen containing shielding.
D000576:Americium; D001608:Beryllium; D002142:Californium; D008433:Mathematics; D009502:Neutrons; D009678:Nuclear Energy; D011005:Plutonium; D011095:Polyethylenes; D011835:Radiation Protection; D011868:Radioisotopes; D011874:Radiometry; D011883:Radium; D014934:Wood
D011095:Polyethylenes; D011868:Radioisotopes; D011005:Plutonium; D002142:Californium; D001608:Beryllium; D000576:Americium; D011883:Radium