title: Fast neutrons produced by bombarding a beryllium target with 40 MeV helium-3 ions.
mesh_terms: D001608:Beryllium; D003903:Deuterium; D005214:Fast Neutrons; D006371:Helium; D007477:Ions; D011882:Radiotherapy, High-Energy / Q000295:instrumentation*
chemical_list: D007477:Ions; D006371:Helium; D003903:Deuterium; D001608:Beryllium