Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-01-26
JHEP 0908:064,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
23 pages, LaTeX, 1 figure, concrete model significantly improved, references added
Scientific paper
10.1088/1126-6708/2009/08/064
In 5-dimensional models with gauge-Higgs unification, the F-term vacuum expectation value of the radion provides, in close analogy to the Giudice-Masiero mechanism, a natural source for the mu and B mu term. Both the leading order gauge theory lagrangian and the supersymmetric Chern-Simons term contain couplings to the radion superfield which can be used for this purpose. We analyse the basic features of this mechanism for mu term generation and provide an explicit example, based on a variation of the SU(6) gauge-Higgs unification model of Burdman and Nomura. This construction contains all the relevant features used in our generic analysis. More generally, we expect our mechanism to be relevant to many of the recently discussed orbifold GUT models derived from heterotic string theory. This provides an interesting way of testing high-scale physics via Higgs mass patterns accessible at the LHC.
Hebecker Arthur
March-Russell John
Ziegler Robert
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