Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-11-23
Phys.Lett.B475:275-279,2000
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, LaTeX; References added, minor revisions to the text
Scientific paper
10.1016/S0370-2693(00)00099-X
We explore the phenomenology of a stabilized modulus field in the Randall-Sundrum scenario. It is found that if the large separation between branes arises from a small bulk scalar mass then the modulus (i.e. radion) is likely to be lighter than the lowest Kaluza-Klein excitations of bulk fields, and consequently may be the first direct signature of the model. Four-dimensional general covariance completely determines the couplings of the modulus to Standard Model fields. The strength of these couplings is determined by a single parameter which is set by the TeV rather than the Planck scale.
Goldberger Walter D.
Wise Mark B.
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