Implications of canonical gauge coupling unification in high-scale supersymmetry breaking

V. Barger; N. G. Deshpande; Jing Jiang; Paul Langacker; Tianjun Li

doi:10.1016/j.nuclphysb.2007.10.013

Implications of canonical gauge coupling unification in high-scale supersymmetry breaking

V. Barger, N. G. Deshpande, Jing Jiang, Paul Langacker, Tianjun Li

Physics

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

We systematically construct two kinds of models with canonical gauge coupling unification and universal high-scale supersymmetry breaking. In the first we introduce standard vector-like particles while in the second we also include non-standard vector-like particles. We require that the gauge coupling unification scale is from 5 × 10¹⁵ GeV to the Planck scale, that the universal supersymmetry breaking scale is from 10 TeV to the unification scale, and that the masses of the vector-like particles (M_V) are universal and in the range from 200 GeV to 1 TeV. Using two-loop renormalization group equation (RGE) running for the gauge couplings and one-loop RGE running for Yukawa couplings and the Higgs quartic coupling, we calculate the supersymmetry breaking scales, the gauge coupling unification scales, and the corresponding Higgs mass ranges. When the vector-like particle masses are less than 1 TeV, these models can be tested at the LHC.

Original language	English (US)
Pages (from-to)	307-325
Number of pages	19
Journal	Nuclear Physics B
Volume	793
Issue number	1-2
DOIs	https://doi.org/10.1016/j.nuclphysb.2007.10.013
State	Published - Apr 11 2008

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

Keywords

Supersymmetry
Unification
Vector-like particle

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10.1016/j.nuclphysb.2007.10.013

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title = "Implications of canonical gauge coupling unification in high-scale supersymmetry breaking",

abstract = "We systematically construct two kinds of models with canonical gauge coupling unification and universal high-scale supersymmetry breaking. In the first we introduce standard vector-like particles while in the second we also include non-standard vector-like particles. We require that the gauge coupling unification scale is from 5 × 1015 GeV to the Planck scale, that the universal supersymmetry breaking scale is from 10 TeV to the unification scale, and that the masses of the vector-like particles (MV) are universal and in the range from 200 GeV to 1 TeV. Using two-loop renormalization group equation (RGE) running for the gauge couplings and one-loop RGE running for Yukawa couplings and the Higgs quartic coupling, we calculate the supersymmetry breaking scales, the gauge coupling unification scales, and the corresponding Higgs mass ranges. When the vector-like particle masses are less than 1 TeV, these models can be tested at the LHC.",

keywords = "Supersymmetry, Unification, Vector-like particle",

author = "V. Barger and Deshpande, {N. G.} and Jing Jiang and Paul Langacker and Tianjun Li",

note = "Funding Information: T.L. would like to thank H. Murayama and S. Nandi for helpful discussions on the gauge coupling unification in the non-supersymmetric models, and thank S. Thomas for useful conversations. J.J. thanks the National Center for Theoretical Sciences in Taiwan for its hospitality, where part of the work was done. This research was supported by the US Department of Energy under Grants Nos. DE-FG02-95ER40896, and DE-FG02-96ER40969, by the Friends of the IAS, by the Cambridge-Mitchell Collaboration in Theoretical Cosmology, and by the University of Wisconsin Research Committee with funds granted by the Wisconsin Alumni Research Foundation. ",

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N2 - We systematically construct two kinds of models with canonical gauge coupling unification and universal high-scale supersymmetry breaking. In the first we introduce standard vector-like particles while in the second we also include non-standard vector-like particles. We require that the gauge coupling unification scale is from 5 × 1015 GeV to the Planck scale, that the universal supersymmetry breaking scale is from 10 TeV to the unification scale, and that the masses of the vector-like particles (MV) are universal and in the range from 200 GeV to 1 TeV. Using two-loop renormalization group equation (RGE) running for the gauge couplings and one-loop RGE running for Yukawa couplings and the Higgs quartic coupling, we calculate the supersymmetry breaking scales, the gauge coupling unification scales, and the corresponding Higgs mass ranges. When the vector-like particle masses are less than 1 TeV, these models can be tested at the LHC.

AB - We systematically construct two kinds of models with canonical gauge coupling unification and universal high-scale supersymmetry breaking. In the first we introduce standard vector-like particles while in the second we also include non-standard vector-like particles. We require that the gauge coupling unification scale is from 5 × 1015 GeV to the Planck scale, that the universal supersymmetry breaking scale is from 10 TeV to the unification scale, and that the masses of the vector-like particles (MV) are universal and in the range from 200 GeV to 1 TeV. Using two-loop renormalization group equation (RGE) running for the gauge couplings and one-loop RGE running for Yukawa couplings and the Higgs quartic coupling, we calculate the supersymmetry breaking scales, the gauge coupling unification scales, and the corresponding Higgs mass ranges. When the vector-like particle masses are less than 1 TeV, these models can be tested at the LHC.

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Implications of canonical gauge coupling unification in high-scale supersymmetry breaking

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