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Higgs mechanism and bulk gauge boson masses in the Randall-Sundrum model

journal contribution
posted on 2023-06-07, 14:27 authored by Stephan HuberStephan Huber, Q. Shafi
Assuming the breaking of gauge symmetries by the Higgs mechanism, we consider the associated bulk gauge boson masses in the Randall-Sundrum background. With the Higgs field confined on the TeV-brane, the W and Z boson masses are naturally an order of magnitude smaller than their Kaluza-Klein excitation masses. The electroweak precision data require the lowest excited state to lie above about 30 TeV, with fermions on the TeV-brane. This bound is reduced to about 10 TeV if the fermions reside sufficiently close to the Planck-brane. Thus, some tuning of parameters is needed. We also discuss the bulk Higgs case, where the bounds are an order of magnitude smaller.

History

Publication status

  • Published

Journal

Physical Review D

ISSN

0556-2821

Volume

63

Page range

045010

Department affiliated with

  • Physics and Astronomy Publications

Notes

The conceptual parts were equally provided by Shafi and myself, the numerics was done by myself. We showed that gauge fields in warped geometry typically lead to large deviations in the electroweak observables. This stimulated research leading to more realistic models. It has accrued over 70 citations.

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2008-03-14

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