Also known as: gen.
GEN has various meanings in the Military category. Discover the full forms, definitions, and usage contexts of GEN in Military.
In particle physics, a generation (or family) is a division of the elementary particles. Between generations, particles differ by their (flavour) quantum number and mass, but their interactions are identical. There are three generations according to the Standard Model of particle physics. Each generation is divided into two types of leptons and two types of quarks.
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