Phenomenology of Electroweak Symmetry Breaking from Theory Space

By N. Arkani-Hamed, A. Cohen, T. Grégoire, J. Wacker. 2002

191 citations recorded by the source corpus.

Recently, a new class of realistic models for electroweak symmetry breaking have been constructed, without supersymmetry. These theories have naturally light Higgs bosons and perturbative new physics at the TeV scale. We describe these models in detail, and show that electroweak symmetry breaking can be triggered by a large top quark Yukawa coupling. A rich spectrum of particles is predicted, with a pair of light Higgs doublets accompanied by new light weak triplet and singlet scalars. The lightest of these new scalars is charged under a geometric discrete symmetry and is therefore stable, providing a new candidate for WIMP dark matter. At TeV energies, a plethora of new heavy scalars, gauge bosons and fermions are revealed, with distinctive quantum numbers and decay modes.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/4a85b8d858b1bdeaa2ead08ab3f5976412f6f178

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Citations in the corpus

TeV symmetry and the little hierarchy problem (2003, methodology): “III we present a realistic model, with the aforementioned new symmetry, in the framework of the recently proposed little Higgs theories, which provide a new way to cancel the one-loop quadratic divergences of the Higgs mass-squared and stabilize the electroweak scale [4, 5, 6, 7].”
Constraining the littlest Higgs (2002, methodology): “The phenomenology of these models was examined in [10].”
Little hierarchy, little higgses, and a little symmetry (2004, methodology): “Little Higgs theories [9, 10, 11, 12, 13, 14, 15, 16, 17, 18] provide an alternative approach to stabilize the electroweak scale based on a non-linear chiral Lagrangian of a coset space G/H .”
The Littlest Higgs (2002, background): “One loop quadratically divergent corrections to the Higgs mass are cancelled by interactions with these additional particles.”
T parity and the littlest Higgs (2004, background): “There are many variants of the little Higgs models [13]–[18], as well as some examples of UV extensions above 10TeV [19, 20], and extensive phenomenological studies have been performed [21]– [29].”
Strong dynamics and electroweak symmetry breaking (2002, background): “Ironically, the experimental discovery of such a set of Higgs fields would likely be taken as proof of supersymmetry – although this model contains no supersymmetry! The ACG model has recently received fuller elaboration [503].”
The Minimal Moose for a Little Higgs (2002, background): “The entire Higgs potential needed for electroweak symmetry breaking—the quartic couplings as well as the familiar negative mass squared—can be generated by the top Yukawa coupling, providing a novel link between the physics of flavor and electroweak symmetry breaking.”