Constrained standard model from a compact extra dimension

By R. Barbieri, L. Hall, Y. Nomura. 2000

192 citations recorded by the source corpus.

An SU(3)\ifmmode\times\else\texttimes\fi{}SU(2)\ifmmode\times\else\texttimes\fi{}U(1) supersymmetric theory is constructed with a TeV-sized extra dimension compactified on the orbifold ${S}^{1}{/(Z}_{2}\ifmmode\times\else\texttimes\fi{}{Z}_{2}^{\ensuremath{'}}).$ The compactification breaks supersymmetry leaving a set of zero modes that correspond precisely to the states of the 1 Higgs doublet standard model. Supersymmetric Yukawa interactions are localized at orbifold fixed points. The top quark hypermultiplet radiatively triggers electroweak symmetry breaking, yielding a Higgs potential that is finite and exponentially insensitive to physics above the compactification scale. This potential depends on only a single free parameter, the compactification scale, yielding a Higgs boson mass prediction of 127\ifmmode\pm\else\textpm\fi{}8 GeV. The masses of all the superpartners and the Kaluza-Klein excitations are also predicted. The lightest supersymmetric particle is a top squark of mass $197\ifmmode\pm\else\textpm\fi{}20$ GeV. The top Kaluza-Klein tower leads to the $\ensuremath{\rho}$ parameter having quadratic sensitivity to unknown physics in the ultraviolet region.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/04ed4c1e8a2d1351d0691733d3a23aabed7b08ca

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Citations in the corpus

Bounds on Universal Extra Dimensions (2000, background): “The first contributes to the kinetic terms of the KK states, so the KK mass spectrum would be modified after re-diagonalizing and rescaling the kinetic terms into the canonical form [19].”
Theoretical constraints on the Higgs effective couplings (2009, background): “[51–53]. Another example where the off-diagonal mixing term in the top squark mass matrix turns the interference effect from being constructive to destructive is the five-dimensional supersymmetric model of ref. [ 45 ], as was studied in ref.”
Casimir Energy and Radius Stabilization in Five and Six Dimensional Orbifolds (2001, methodology): “[ 22 , 23], we found that, with the minimal field content, the radion potential generated at one”
Radiative corrections to Kaluza-Klein masses (2002, background): “We hope that these results will be useful to practitioners of the phenomenology of universal extra dimensions and other models with Standard Model fields in the “bulk” (intriguing examples are [14, 15]).”
TeV scale 5D SU(3)W unification and the fixed point anomaly cancellation with chiral split multiplets (2002, methodology): “When we compactify 5D on an S1/(Z2 × Z ′2), Z2 and Z ′2 turn out to be equivalent to one orbifolding Z for y → −y and one twist T for y → y+ πR.”