PORTABLE/MOBILE FISSIBLE MATERIAL DETECTOR AND METHODS FOR MAKING AND USING SAME

摘要

A portable and/or mobile detector for highly enriched uranium (HEU) and weapon grade plutonium (WGPu) is disclosed the detects HEU and/or WGPu based on neutron induced fission of a portion of the HEU and/or WGPu and detecting delayed neutron and/or γ-rays emission from delayed neutron emitters formed from the induced fission reactions.