A particle detector is a sophisticated instrument designed to detect, measure, and characterize subatomic particles, such as electrons, protons, and neutrinos. These devices operate by capturing physical signatures left by incoming particles, including ionization, scintillation light emission, or the creation of electric charge within a sensor material. Different types of detectors utilize various physical principles, ranging from ionization chambers that measure the presence of charge to solid-state detectors that provide precise energy measurements. The technology is crucial for fundamental research across multiple fields, allowing scientists to study the fundamental forces and matter constituents of the universe, from the detection of cosmic rays to the analysis of high-energy collisions in specialized facilities.