Experimental Study of the Dual Radiation Rotating Scattering Mask to Localize Neutron and Gamma Sources with CLYC Detector

A Dual Radiation Rotating Scattering (DRRS) Mask was developed at the Applied Physics Institute at Western Kentucky University to simultaneously locate gamma and neutron radiation sources. The DRRS mask surrounds a radiation detector and rotates around to modulate detector signal. The DRRS mask consists of neutron scattering material (UHMW) and gamma rays scattering materials (lead). The source location is determined based on signal dependence as a function of angle of rotation. We present the progress in the DRRS construction, development of rotating platform and its control modules, and the first experimental results obtained with Cs2LiYCl6:Ce (CLYC) scintillating detector.