A minimal supersymmetric SU(5) missing-partner model

John Ellis; Jason L Evans; Natsumi Nagata; Keith A. Olive

doi:10.1140/epjc/s10052-021-09337-9

A minimal supersymmetric SU(5) missing-partner model

John Ellis
, Jason L Evans
, Natsumi Nagata
, Keith A. Olive

Physics and Astronomy (Twin Cities)

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

3 Scopus citations

Abstract

We explore a missing-partner model based on the minimal SU(5) gauge group with 75, 50 and 50¯ Higgs representations, assuming a super-GUT CMSSM scenario in which soft supersymmetry-breaking parameters are universal at some high scale M_in above the GUT scale M_GUT. We identify regions of parameter space that are consistent with the cosmological dark matter density, the measured Higgs mass and the experimental lower limit on τ(p→ K⁺ν). These constraints can be satisfied simultaneously along stop coannihilation strips in the super-GUT CMSSM with tan β∼ 3.5–5 where the input gaugino mass m_{1 / 2}∼ 15–25 TeV, corresponding after strong renormalization by the large GUT Higgs representations between M_in and M_GUT to mLSP,mt~1∼ 2.5–5 TeV and m_g~∼ 13–20 TeV, with the light-flavor squarks significantly heavier. We find that τ(p→ K⁺ν) ≲ 3 × 10 ³⁴ years throughout the allowed range of parameter space, within the range of the next generation of searches with the JUNO, DUNE and Hyper-Kamiokande experiments.

Original language	English (US)
Article number	543
Journal	European Physical Journal C
Volume	81
Issue number	6
DOIs	https://doi.org/10.1140/epjc/s10052-021-09337-9
State	Published - Jun 2021

Bibliographical note

Funding Information:
The work of J.E. was supported partly by the United Kingdom STFC Grant ST/T000759/1 and partly by the Estonian Research Council via a Mobilitas Pluss grant. The work of N.N. was supported by the Grant-in-Aid for Scientific Research B (No.20H01897), Young Scientists B (No.17K14270), and Innovative Areas (No.18H05542). The work of K.A.O. was supported partly by the DOE grant DE-SC0011842 at the University of Minnesota.

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© 2021, The Author(s).

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10.1140/epjc/s10052-021-09337-9

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title = "A minimal supersymmetric SU(5) missing-partner model",

abstract = "We explore a missing-partner model based on the minimal SU(5) gauge group with 75, 50 and 50¯ Higgs representations, assuming a super-GUT CMSSM scenario in which soft supersymmetry-breaking parameters are universal at some high scale Min above the GUT scale MGUT. We identify regions of parameter space that are consistent with the cosmological dark matter density, the measured Higgs mass and the experimental lower limit on τ(p→ K+ν). These constraints can be satisfied simultaneously along stop coannihilation strips in the super-GUT CMSSM with tan β∼ 3.5{\textendash}5 where the input gaugino mass m1 / 2∼ 15{\textendash}25 TeV, corresponding after strong renormalization by the large GUT Higgs representations between Min and MGUT to mLSP,mt\textasciitilde{}1∼ 2.5{\textendash}5 TeV and mg\textasciitilde{}∼ 13{\textendash}20 TeV, with the light-flavor squarks significantly heavier. We find that τ(p→ K+ν) ≲ 3 {\texttimes} 10 34 years throughout the allowed range of parameter space, within the range of the next generation of searches with the JUNO, DUNE and Hyper-Kamiokande experiments.",

author = "John Ellis and Evans, \{Jason L\} and Natsumi Nagata and Olive, \{Keith A.\}",

note = "Funding Information: The work of J.E. was supported partly by the United Kingdom STFC Grant ST/T000759/1 and partly by the Estonian Research Council via a Mobilitas Pluss grant. The work of N.N. was supported by the Grant-in-Aid for Scientific Research B (No.20H01897), Young Scientists B (No.17K14270), and Innovative Areas (No.18H05542). The work of K.A.O. was supported partly by the DOE grant DE-SC0011842 at the University of Minnesota. Publisher Copyright: {\textcopyright} 2021, The Author(s).",

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N2 - We explore a missing-partner model based on the minimal SU(5) gauge group with 75, 50 and 50¯ Higgs representations, assuming a super-GUT CMSSM scenario in which soft supersymmetry-breaking parameters are universal at some high scale Min above the GUT scale MGUT. We identify regions of parameter space that are consistent with the cosmological dark matter density, the measured Higgs mass and the experimental lower limit on τ(p→ K+ν). These constraints can be satisfied simultaneously along stop coannihilation strips in the super-GUT CMSSM with tan β∼ 3.5–5 where the input gaugino mass m1 / 2∼ 15–25 TeV, corresponding after strong renormalization by the large GUT Higgs representations between Min and MGUT to mLSP,mt~1∼ 2.5–5 TeV and mg~∼ 13–20 TeV, with the light-flavor squarks significantly heavier. We find that τ(p→ K+ν) ≲ 3 × 10 34 years throughout the allowed range of parameter space, within the range of the next generation of searches with the JUNO, DUNE and Hyper-Kamiokande experiments.

AB - We explore a missing-partner model based on the minimal SU(5) gauge group with 75, 50 and 50¯ Higgs representations, assuming a super-GUT CMSSM scenario in which soft supersymmetry-breaking parameters are universal at some high scale Min above the GUT scale MGUT. We identify regions of parameter space that are consistent with the cosmological dark matter density, the measured Higgs mass and the experimental lower limit on τ(p→ K+ν). These constraints can be satisfied simultaneously along stop coannihilation strips in the super-GUT CMSSM with tan β∼ 3.5–5 where the input gaugino mass m1 / 2∼ 15–25 TeV, corresponding after strong renormalization by the large GUT Higgs representations between Min and MGUT to mLSP,mt~1∼ 2.5–5 TeV and mg~∼ 13–20 TeV, with the light-flavor squarks significantly heavier. We find that τ(p→ K+ν) ≲ 3 × 10 34 years throughout the allowed range of parameter space, within the range of the next generation of searches with the JUNO, DUNE and Hyper-Kamiokande experiments.

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A minimal supersymmetric SU(5) missing-partner model

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