Abstract
Recently the weak intermediate bosons have been found in p-\(\bar p\)-collisions at high energies1). The masses observed are in good agreement with the values predicted within the standard SU(2) x U(1)-theory. Nevertheless a number of questions remain to be answered, e.g.: Is the SU(2) x U(1) gauge theory a microscopic theory of the electroweak interactions, or is it merely an effective theory, describing the low energy properties of a more fundamental theory? Are the weak bosons basic gauge particles like the photon, or are they bound states of certain constituents? Are leptons and quarks composite and are they made of the same constituents as the weak bosons?
Published Version
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