Improved bounds on universal extra dimensions and consequences for LKP dark matter
Journal Article
·
OSTI ID:878957
We study constraints on models with a flat 'Universal' Extra Dimension in which all Standard Model fields propagate in the bulk. A significantly improved constraint on the compactification scale is obtained from the extended set of electroweak precision observables accurately measured at LEP1 and LEP2. We find a lower bound of M{sub c} = R{sup -1} > 700 (800) GeV at the 99% (95%) confidence level. We also discuss the implications of this constraint on the prospects for the direct and indirect detection of Kaluza-Klein dark matter in this model.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-76CH03000
- OSTI ID:
- 878957
- Report Number(s):
- FERMILAB-PUB-05-416-A; arXiv eprint number hep-ph/0509352; TRN: US0700258
- Country of Publication:
- United States
- Language:
- English
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