The Unhiggs
@inproceedings{Stancato2008TheU, title={The Unhiggs}, author={David Stancato and John Terning}, year={2008} }
We examine a scenario where the Higgs is part of an approximate conformal field theory, and has a scaling dimension greater than one. Such an unparticle Higgs (or Unhiggs) can still break electroweak symmetry and unitarize WW scattering, but its gauge couplings are suppressed. An Unhiggs model has a reduced sensitivity of the weak scale to the cutoff, and can thus provide a solution to the little hierarchy problem.
35 Citations
Holographic Unhiggs
- Physics
- 2008
We propose an extra-dimensional approach to the unparticle Higgs (Unhiggs). The non-local 4D Unhiggs action is derived as the boundary effective action of a local 5D theory. We review the mechanism…
Collider phenomenology of a gluino continuum
- PhysicsJournal of High Energy Physics
- 2020
Continuum supersymmetry is a class of models in which the supersymmetric partners together with part of the standard model come from a conformal sector, broken in the IR near the TeV scale. Such…
Electroweak precision observables and the unhiggs
- Physics
- 2009
We compute one-loop corrections to the S and T parameters in the Unhiggs scenario. In that scenario, the Standard Model Higgs is replaced by a non-local object, called the Unhiggs, whose spectral…
Unparticle and Higgs boson as composites
- Physics
- 2008
We propose a generic framework in which the Higgs and the unparticle are both composite. The underlying theories are four-dimensional, asymptotically-free, nonsupersymmetric gauge theories with…
Holographic unparticle Higgs boson
- Physics
- 2009
We propose an extra-dimensional approach to the unparticle Higgs. The nonlocal 4D unparticle Higgs action is derived as the boundary effective action of a local 5D theory. We review the mechanism to…
S and T for SCFTs
- Physics
- 2012
We develop a general set of methods for computing the oblique electroweak parameters S andT for bottom-up and top-down motivated scenarios in which the Higgs weakly mixes with a superconformal extra…
Non-local Higgs actions: tree-level electroweak constraints and high-energy unitarity
- Physics
- 2011
We consider electroweak symmetry breaking by a certain class of non-local Higgs sectors. Extending previous studies employing the Mandelstam condition, a straight Wilson line is used to make the…
Continuum naturalness
- PhysicsJournal of High Energy Physics
- 2019
A bstractWe present a novel class of composite Higgs models in which the top and gauge partners responsible for cutting off the Higgs quadratic divergences form a continuum. The continuum states are…
Invisible Higgs boson, continuous mass fields, and unparticle Higgs mechanism
- Physics
- 2009
We explore the consequences of an electroweak symmetry breaking sector which exhibits approximately scale invariant dynamics -- i.e., nontrivial fixed point behavior, as in unparticle models. One can…
Soft-wall stabilization
- Physics, Mathematics
- 2010
We propose a general class of five-dimensional (5D) soft-wall models with AdS metric near the ultraviolet brane and 4D Poincare invariance, where the infrared scale is determined dynamically. A large…
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