Energy scales in a stabilized brane world

Abstract

Brane world gravity looks different for observers on positive and negative tension branes. First we consider the well-known RS1 model with two branes embedded into the AdS_5 space-time and recall the results on the relations between the energy scales for an observer on the negative tension brane, which is supposed to be "our" brane. Then from the point of view of this observer we study energy scales and masses for the radion and graviton excitations in a stabilized brane world model. We argue that there may be several possibilities leading to scales of the order 1-10 TeV or even less for new physics effects on our brane. In particular, an interesting scenario can arise in the case of a "symmetric" brane world with a nontrivial warp factor in the bulk, which however takes equal values on both branes.

arXiv comment15 pages, corrected typos, enlarged content

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• Higgs-radion mixing in stabilized brane world models
• Testing extra dimensions below the production threshold of Kaluza-Klein excitations
• Randall-Sundrum model with a small curvature and dimuon production at the LHC
• Comparison of associated Higgs boson-radion and Higgs boson pair production processes
• The specificity of searches for $W^{\prime }$, $Z^{\prime }$ and ${\gamma }^{\prime }$ coming from extra dimensions
• RS model with a small curvature and gravity effects in e+e- annihilation into leptons at the LC
• On possible small-x effects in the Kaluza-Klein graviton and radion production at high energies
• Consistent ADD scenario with stabilized extra dimension
• The specificity of the interactions of electroweak gauge bosons coming from extra dimensions