"Version: 202109"--Title page verso.Includes bibliographical references.1. Interaction of gammas with matter -- 1.1. Introduction -- 1.2. Gamma-ray -- 1.3. Principles of operation of gamma-ray detectors -- 1.4. Material requirements for scintillators -- 1.5. Detailed scintillation mechanism2. Performance of gamma radiation detectors materials -- 2.1. The performance parameters -- 2.2. Character…