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Title: Beyond the CMSSM without an accelerator: Proton decay and direct dark matter detection

Journal Article · · European Physical Journal. C, Particles and Fields
 [1];  [2];  [3];  [4];  [2];  [5]
  1. King's College London, London (United Kingdom); European Organization for Nuclear Research (CERN), Geneva (Switzerland)
  2. Univ. of Minnesota, Minneapolis, MN (United States)
  3. European Organization for Nuclear Research (CERN), Geneva (Switzerland)
  4. Univ. of Minnesota, Minneapolis, MN (United States); Univ. of Tokyo, Chiba (Japan)
  5. Univ. of Utah, Salt Lake City, UT (United States)

Here, we consider two potential non-accelerator signatures of generalizations of the well-studied constrained minimal supersymmetric standard model (CMSSM). In one generalization, the universality constraints on soft supersymmetry-breaking parameters are applied at some input scale Minbelow the grand unification (GUT) scale MGUT, a scenario referred to as ‘sub-GUT’. The other generalization we consider is to retain GUT-scale universality for the squark and slepton masses, but to relax universality for the soft supersymmetry-breaking contributions to the masses of the Higgs doublets. As with other CMSSM-like models, the measured Higgs mass requires supersymmetric particle masses near or beyond the TeV scale. Because of these rather heavy sparticle masses, the embedding of these CMSSM-like models in a minimal SU(5) model of grand unification can yield a proton lifetime consistent with current experimental limits, and may be accessible in existing and future proton decay experiments. Another possible signature of these CMSSM-like models is direct detection of supersymmetric dark matter. The direct dark matter scattering rate is typically below the reach of the LUX-ZEPLIN (LZ) experiment if Min is close to MGUT, but it may lie within its reach if Min≲1011 GeV. Likewise, generalizing the CMSSM to allow non-universal supersymmetry-breaking contributions to the Higgs offers extensive possibilities for models within reach of the LZ experiment that have long proton lifetimes.

Research Organization:
Univ. of Minnesota, Minneapolis, MN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
SC0011842
OSTI ID:
1360125
Journal Information:
European Physical Journal. C, Particles and Fields, Vol. 76, Issue 1; ISSN 1434-6044
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 39 works
Citation information provided by
Web of Science

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Likelihood analysis of the sub-GUT MSSM in light of LHC 13-TeV data journal February 2018
Stop coannihilation in the CMSSM and SubGUT models journal May 2018
Uncertainties in WIMP dark matter scattering revisited journal July 2018
Supersymmetric models in light of improved Higgs mass calculations journal February 2019
A minimal SU(5) SuperGUT in pure gravity mediation journal June 2019
Supersymmetric versus SO(10) models of dark matter journal May 2017
Noncommutative inspired wormholes admitting conformal motion involving minimal coupling journal March 2019
Likelihood analysis of supersymmetric SU(5) GUTs text January 2017
Likelihood analysis of the sub-GUT MSSM in light of LHC 13-TeV data text January 2018
Supersymmetric Models in Light of Improved Higgs Mass Calculations text January 2018
Global fits of GUT-scale SUSY models with GAMBIT text January 2017
A global fit of the MSSM with GAMBIT text January 2017
Supersymmetric versus SO(10) Models of Dark Matter conference January 2018
Likelihood analysis of the minimal AMSB model text January 2017
Likelihood analysis of supersymmetric SU(5) GUTs journal February 2017
Supersymmetric models in light of improved Higgs mass calculations text January 2019
Likelihood analysis of supersymmetric SU(5) GUTs text January 2017
Scenarios for Gluino Coannihilation text January 2015
Likelihood Analysis of the Minimal AMSB Model text January 2016
Improved lattice computation of proton decay matrix elements text January 2017
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Global fits of GUT-scale SUSY models with GAMBIT text January 2017
Gravitino Decay in High Scale Supersymmetry with R-parity Violation text January 2018
Supersymmetric Models in Light of Improved Higgs Mass Calculations text January 2018
Inflation and Leptogenesis in High-Scale Supersymmetry text January 2019

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