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Effects of standard model Kaluza-Klein excitations on electroweak observables
Open accessAbstract
The presence of an extra dimension of size $R\ensuremath{\approx}{\mathrm{TeV}}^{\ensuremath{-}1}$ introduces a tower of Kaluza-Klein gauge boson excitations that affects the standard model relations between electroweak observables. The mixing of the W and Z bosons with their excitations changes their masses and couplings to fermions. This effect depends on the Higgs field, which may live in the bulk of the extra dimension, on its boundary, or may be a combination of both types of fields. We use high-precision electroweak data to constrain $1/R$. We find limits from 1 to 3 TeV from different observables, with a model-independent lower bound of 2.5 TeV.
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Cites
The hierarchy problem and new dimensions at a millimeter
Arkani–Hamed, N., Dimopoulos, S., & Dvali, G. (1998) · Physics Letters B · doi:10.1016/s0370-2693(98)00466-3 · Cited by 6,563
Cited by
Dark matter and collider phenomenology of universal extra dimensions
Hooper, D., & Profumo, S. (2007) · Physics Reports · doi:10.1016/j.physrep.2007.09.003 · Cited by 358
Metadata
- Authors
- Masip, M., & Pomarol, A.
- Venue
- Physical Review D
- Publisher
- American Physical Society (APS)
- Published
- 1999-10-08
- Volume
- 60
- Issue
- 9
- ISSN
- 0556-2821 (ISSN-L)
- 1089-4918
- OpenAlex
- W1786451316
- Cited by
- 173
- References
- 1
- FWCI
- 13.26
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Masip, M., & Pomarol, A. (1999). Effects of standard model Kaluza-Klein excitations on electroweak observables. Physical Review D. https://doi.org/10.1103/physrevd.60.096005
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