Charged particles refer to particles that carry an electric charge, such as electrons, protons, and ions. Research in this area focuses on studying the behavior, interactions, and effects of charged particles in various environments, such as in plasma physics, particle accelerators, and astrophysics. This research is important for understanding fundamental forces, developing new technologies, and exploring the origins and nature of the universe. Techniques used in studying charged particles include particle detectors, accelerators, and computer simulations.