Non-perturbative mass spectrum of an extra-dimensional orbifold
N. Irges, F. Knechtli
Abstract
We analyse non-perturbatively a five-dimensional SU(2) gauge theory compactified on the S1/Z2 orbifold. In particular, we present simulation results for the mass spectrum of the theory, which contains a Higgs and a photon. The Higgs mass is found to be free of divergences without fine-tuning. The photon mass is non-zero, thus providing us with the first lattice evidence for a Higgs mechanism derived from an extra dimension. Data from the static potential are consistent with dimensional reduction at low energies.
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