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Published March 2, 2000 | Submitted
Journal Article Open

Phenomenology of a stabilized modulus

Abstract

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.

Additional Information

© 2000 Elsevier Science B.V. Received 30 December 1999, Accepted 11 January 2000, Available online 8 March 2000. This work was supported in part by the Department of Energy under grant number DE-FG03-92-ER 40701.

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