A model for dark matter, naturalness and a complete gauge unification
Kainulainen, K., Tuominen, K., & Virkajärvi, J. (2015). A model for dark matter, naturalness and a complete gauge unification. Journal of Cosmology and Astroparticle Physics, 2015(7), Article 034. https://doi.org/10.1088/1475-7516/2015/07/034
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© 2015 the Authors. Article funded by SCOAP3. Content from this work may be used
under the terms of the Creative Commons Attribution 3.0 License.
We consider dark matter in a minimal extension of the Standard Model (SM) which breaks electroweak symmetry dynamically and leads to a complete unification of the SM and technicolor coupling constants. The unification scale is determined to be MU ≈ 2.2 × 1015 GeV and the unified coupling αU ≈ 0.0304. Moreover, unification strongly suggest that the technicolor sector of the model must become strong at the scale of (TeV) . The model also contains a tightly constrained sector of mixing neutral fields stabilized by a discrete symmetry. We find the lightest of these states can be DM with a mass in the range 0mDM ≈ 3–080 GeV . We find a large set of parameters that satisfy all available constraints from colliders and from dark matter search experiments. However, most of the available parameter space is within the reach of the next generation of DM search experiments. The model is also sensitive to a modest improvement in the measurement of the precision electroweak parameters.
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We acknowledge the financial support from the Academy of Finland, projects 278722 and 267842.License
Except where otherwise noted, this item's license is described as © 2015 the Authors. Article funded by SCOAP3. Content from this work may be used
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