Electroweak symmetry breaking and precision tests with a fifth dimension
- 1. ISAS-SISSA and INFN, Via Beirut 2-4, I-34013 Trieste (Italy)
- 2. IFAE, Universitat Autonoma de Barcelona, 08193 Bellaterra, Barcelona (Spain)
Description
We perform a complete study of flavor and CP conserving electroweak observables in a slight refinement of a recently proposed five-dimensional model on R4xS1/Z2, where the Higgs is the internal component of a gauge field and the Lorentz symmetry is broken in the fifth dimension. Interestingly enough, the relevant corrections to the electroweak observables turn out to be of universal type and essentially depend only on the value of the Higgs mass and on the scale of new physics, in our case the compactification scale 1/R. The model passes all constraints for 1/R>=4.7 TeV at 90% C.L., with a moderate fine-tuning in the parameters. The Higgs mass turns out to be always smaller than 200 GeV although higher values would be allowed, due to a large correction to the T parameter. The lightest non-SM states in the model are typically colored fermions with a mass of order 1-2 TeV
Additional details
Identifiers
- DOI
- 10.1016/j.nuclphysb.2006.10.032;
- arXiv
- arXiv:hep-ph/0605292v3;
- PII
- S0550-3213(06)00858-3;
Publishing Information
- Journal Title
- Nuclear Physics. B
- Journal Volume
- 762
- Journal Issue
- 1-2
- Journal Page Range
- p. 189-211
- ISSN
- 0550-3213
- CODEN
- NUPBBO
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 38042853
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- ACCURACY; COMPACTIFICATION; CORRECTIONS; CP INVARIANCE; FERMIONS; FLAVOR MODEL; GEV RANGE 100-1000; HIGGS BOSONS; HIGGS MODEL; MASS; SYMMETRY; SYMMETRY BREAKING; TEV RANGE
- Descriptors DEC
- BOSONS; COMPOSITE MODELS; ELEMENTARY PARTICLES; ENERGY RANGE; GEV RANGE; INVARIANCE PRINCIPLES; MATHEMATICAL MODELS; PARTICLE MODELS; POSTULATED PARTICLES; QUARK MODEL
Optional Information
- Copyright
- Copyright (c) 2006 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.