title: Neutron spectra from 35 and 46 MeV protons, 16 and 28 MeV deuterons, and 44 MeV 3He ions on thick beryllium.
abstract: The energy spectra of neutrons produced by 35 and 46 MeV protons, 16 and 28 MeV deuterons, and 44 MeV 3He ions on thick beryllium were measured at angles of 0 degrees, 15 degrees, and 45 degrees with respect to the incident beams. The spectra were measured by the time-of-flight method for neutrons from the maximum energy down to 1 MeV. Neutron dose rates obtained from the zero-degree spectra by use of available tissue kerma factors agree with TE-TE ionization chamber measurements.
mesh_terms: D001608:Beryllium; D003903:Deuterium; D006371:Helium; D007477:Ions; D009502:Neutrons; D011522:Protons; D011829:Radiation Dosage; D011874:Radiometry / Q000295:instrumentation
chemical_list: D007477:Ions; D011522:Protons; D006371:Helium; D003903:Deuterium; D001608:Beryllium