title: Studies on the detection of concealed objects using the neutron reflection method.
abstract: The increment of reflected thermal and 1.45 eV resonance neutrons vs. the thickness of the reflector has been measured and described by an analytical expression. Macroscopic, Σβ, and microscopic, σβ, reflection cross sections averaged over the bulk reflector substances were deduced for some elements and compounds. It was found that the σβ values are additive even for bulk samples and so the σβmol could be given for some illicit drugs, explosives and hiding materials.
authors: Institute of Nuclear Research of the Hungarian Academy of Sciences, (ATOMKI), 4001 Debrecen, Pf. 51, Hungary. papppa@atomki.hu
authors: A
authors: A
authors: Papp
mesh_terms: D000431:Ethanol / Q000032:analysis; D053834:Explosive Agents / Q000032:analysis; D005947:Glucose / Q000032:analysis; D009501:Neutron Activation Analysis / Q000379:methods*; D004364:Pharmaceutical Preparations / Q000032:analysis*
chemical_list: D053834:Explosive Agents; D004364:Pharmaceutical Preparations; D000431:Ethanol; D005947:Glucose