Prompt gamma-rays induced in Methamphetamine, Fentanyl, Cocaine, and Heroin due to neutrons produced by 252Cf and a DT nuclear reaction - Vega-Carrillo, H R; Marquez-Mata, C A; Torres-Cortes, C O; Baltazar-Raigosa, A; Cevallos-Robalino, L E; Garcia-Fernandez, G F; Al-Shelkamy, S A; Vasquez-Arteaga, Marcial (Radiation Physics And Chemistry, 2025)