Study on the fast localization method of a binocular neutron scattering camera
To investigate the relationship between the resolution and distance measurement accuracy of the localiza-tion of nuclear materials using neutron scattering imaging and the orientation of the source,as well as feasible solu-tions for improving localization performance,we simulated the imaging process of a Cf-252 neutron source located at different orientations using Geant4.Two-dimensional imaging and ranging were performed using the intersection back-projection imaging method and binocular distance measurement to investigate and explain the dependency be-tween the deviation and error of localization results and neutron source orientation.The simulation results indicate that the imaging effect worsens as the source position moves farther from the center of the imaging plane.Although changing the arrangement of the detection system may result in a dead zone,the imaging performance can be en-hanced by aligning the detector with the direction of the source.The method of rapidly locating unknown neutron sources or nuclear materials and the detector layout scheme are effective.
万方数据
维普
