GenParticle
GenParticle is a fundamental concept in particle physics simulation, particularly within the context of high-energy physics experiments. It represents a single particle in a simulated event, carrying essential information about its identity and properties. A GenParticle object typically stores the particle's type, often identified by its PDG (Particle Data Group) code, which uniquely specifies the particle species (e.g., electron, muon, photon, proton).
Beyond its type, a GenParticle also holds its kinematic information. This includes its momentum, usually represented
Furthermore, GenParticle often includes information about the particle's origin and daughter particles. This is vital for