leptonbaryons
Leptonbaryons are hypothetical composite particles that would be composed of both leptons and quarks. The Standard Model of particle physics describes the fundamental particles as either leptons (like electrons and neutrinos) or quarks (which combine to form baryons and mesons). A leptonbaryon would represent a novel combination of these distinct particle types. The concept arises in some theoretical extensions to the Standard Model, where new fundamental forces or symmetries might allow for such composite structures. The existence of leptonbaryons is not currently supported by experimental evidence. The precise properties of a hypothetical leptonbaryon would depend on the specific arrangement and types of leptons and quarks involved in its composition. If they exist, they would likely be very massive and potentially unstable, decaying rapidly into more familiar particles. Searches for exotic particles like leptonbaryons are ongoing in high-energy physics experiments, which aim to probe the fundamental structure of matter and discover new particles beyond the Standard Model.