Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-10-11
Phys.Lett.B633:591-594,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
11 pages, 2 figures. References added. Version to appear in Phys. Lett. B
Scientific paper
10.1016/j.physletb.2005.12.028
By identifying the Higgs field as an internal component of a higher dimensional gauge field it is possible to solve the little hierarchy problem. The construction of a realistic model that incorporates such a gauge-Higgs unification is an important problem that demands attention. In fact, several attempts in this direction have already been put forward. In this letter we single out one such attempt, a 6D SU(3) extended electroweak theory, where it is possible to obtain a Higgs mass prediction in accord with global fits. One shortcoming of the model is its prediction for the Weinberg angle, it is too large. We slightly modify the model by including brane kinetic terms in a way motivated by the orbifold action on the 6D fields. We show that in this way it is possible to obtain the correct Weinberg angle while keeping the desired results in the Higgs sector.
Aranda Alfredo
Diaz-Cruz Lorenzo J.
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