Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-12-22
Physics
High Energy Physics
High Energy Physics - Phenomenology
15 pages, 6 figures, RevTeX4
Scientific paper
We study how the recent ATLAS and CMS Higgs mass bounds affect the renormalization group running of the physical parameters in universal extra dimensions. Using the running of the Higgs self-coupling constant, we derive bounds on the cutoff scale of the extra-dimensional theory itself. We show that the running of physical parameters, such as the fermion masses and the CKM mixing matrix, is significantly restricted by these bounds. In particular, we find that the running of the gauge couplings cannot be sufficient to allow gauge unification at the cutoff scale.
Blennow Mattias
Melbeus Henrik
Ohlsson Tommy
Zhang He
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