Unification of the Fundamental Particle Interactions II

Work on the unification of the fundamental particle interac­ tions has continued vigorously since the first Europhysics study Conference on this subject. At that time we emphasized the exis­ tence of two main approaches, one based on supersymmetry and pos­ sibly its local version, supergravity, and the other approach based on grand unified gauge theories. Discussion of the possible tests of these ...