Particle energization is a research area that focuses on understanding the mechanisms through which particles in space gain energy. This can occur through a variety of processes, including magnetic reconnection, shock acceleration, and wave-particle interactions. Studying particle energization is important for understanding the dynamics of plasmas in space, such as those found in the Earth's magnetosphere, the solar wind, and astrophysical environments. By understanding how particles are energized, scientists can gain insight into fundamental plasma processes and phenomena such as solar flares, geomagnetic storms, and cosmic ray acceleration.