NNuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment3/23/2026Two stage gamma–neutron source classification in water Cherenkov detectors: Energy threshold screening and machine learning pulse analysisAlejandro Núñez Selin·Luis Nuñez·Iván Sidelnik·Christian Sarmiento Cano·Hernán AsoreyRead at Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated EquipmentTagsRadiation Detection and Scintillator TechnologiesRadiation