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Название: Particle and Astroparticle Physics
Автор: Sarkar U.
Our knowledge of elementary particles and their interactions has reached an exciting juncture. We have learned that there are four fundamental interactions: strong, weak, electromagnetic and gravitational. The weak and the electromagnetic interactions are low energy manifestations of the electroweak interaction. The standard model
of particle physics is the theory of the strong and the electroweak interactions, while general theory of relativity is the theory of the gravitational interaction. We now believe that at higher energies these forces may unify, yielding yet another unified theory. In this quest, many new possible theories beyond the standard model have been proposed in recent times and attempts are being made to unify these theories with gravity...