Study on the Possibility of Neutron Gamma Discrimination in GAGG Crystal

The scintillators capable of neutron detection are being the research hotspot recently. In this manuscript, we investigated possibility cerium-doped gadolinium aluminium gallium garnet (GAGG: Ce) crystal to achieve gamma discrimination through pulse shape (PSD) method. PSD is a method based on principle that waveforms scintillation light differ for different particles. experiments show it’s hard single GAGG distinguish from gamma-ray. Therefore, composite made gamma-sensitive and was furtherly developed. Using 252 Cf source, proven be discriminating neutrons gamma-ray corresponding FOM 3.33.