Publications

Low light event reconstruction simulations for an optically segmented single volume scatter camera

Weinfurther, Kyle; Mattingly, John; Brubaker, Erik B.; Steele, John T.; Sweany, Melinda; Braverman, Joshua

Dual plane neutron scatter cameras have shown promise for localizing fast neutron sources. The condition that a neutron must scatter in both planes of the camera produces low counting efficiencies. Counting efficiency can be improved using an alternative design that uses a single, optically segmented volume of scintillation material. Using Geant4, we simulated pulses from neutron elastic scatter events at different locations throughout an EJ-204 scintillator bar. We used nonlinear regression on low light pulses to determine the position along the bar where the scatter event occurred.