paper

An Attempt to Solve the Hierarchy Problem Based on Gravity-Gauge-Higgs Unification Scenario

arXiv:hep-ph/0408028 · doi:10.1016/j.physletb.2004.10.038

Abstract

We discuss a possible scenario to solve the hierarchy problem, in which 4-dimensional bosonic fields with all possible integer spins, graviton, gauge boson and Higgs are unified in a framework of a gravity theory with extra dimensions. The Higgs is identified with the extra space component of the metric tensor. One-loop quantum effect on the Higgs mass-squared is explicitly calculated in a five dimensional gravity theory compactified on . We obtain a finite calculable Higgs mass-squared without suffering from quadratic divergence, by virtue of general coordinate transformation invariance, which is argued to be guaranteed by the summation over all Kaluza-Klein modes running in the loop diagrams.

15pages, 2figures; version accepted for publication in Phys. Lett. B, one reference added

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