Higgsino dark matter in pure gravity mediated supersymmetry

Evans, Jason L.; Olive, Keith A.

doi:10.1103/PhysRevD.106.055026

Title: Higgsino dark matter in pure gravity mediated supersymmetry

Abstract

We consider the prospects for the direct detection of dark matter in pure gravity meditation (PGM) models of supersymmetry breaking. Minimal PGM models require only two parameters, the gravitino mass, m_3/2, which sets the UV mass for all scalar masses, and tanβ. Gaugino masses are generated through anomaly mediation. Typically the lightest supersymmetric state (the dark matter candidate) is a wino. Here, we consider a one-parameter extension of the minimal model by allowing the Higgs soft masses to deviate from universality. For simplicity, we take these to be equal and use the μ term as a surrogate. We also consider nonuniversal stop masses. When |μ| ~ 1 TeV, the Higgsino is a viable dark matter candidate when the gravitino mass is of order ~1 PeV and tanβ≃2. We calculate the spin-dependent and spin-independent cross sections for dark matter scattering on protons. For spin-independent scattering, existing experimental limits place constraints on the PGM parameter space. Much of the currently allowed parameter space lies above the irreducible neutrino background. Thus, future direct detection experiments will be able to probe much of the remaining PGM parameter space.

Authors:: Evans, Jason L.; Olive, Keith A.

Publication Date:: Wed Sep 21 00:00:00 EDT 2022

Research Org.:: Univ. of Minnesota, Minneapolis, MN (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1888587

Alternate Identifier(s):: OSTI ID: 1905496

Grant/Contract Number:: SC0011842

Resource Type:: Published Article

Journal Name:: Physical Review D

Additional Journal Information:: Journal Name: Physical Review D Journal Volume: 106 Journal Issue: 5; Journal ID: ISSN 2470-0010

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Particle dark matter; Supersymmetric models; Weakly interacting massive particles

Citation Formats


                    Evans, Jason L., and Olive, Keith A. Higgsino dark matter in pure gravity mediated supersymmetry.  United States: N. p., 2022. 
Web.  doi:10.1103/PhysRevD.106.055026.

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                    Evans, Jason L., & Olive, Keith A. Higgsino dark matter in pure gravity mediated supersymmetry.  United States.  https://doi.org/10.1103/PhysRevD.106.055026

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                    Evans, Jason L., and Olive, Keith A. Wed .  
"Higgsino dark matter in pure gravity mediated supersymmetry".  United States.  https://doi.org/10.1103/PhysRevD.106.055026.

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@article{osti_1888587,

  title        = {Higgsino dark matter in pure gravity mediated supersymmetry},

  author       = {Evans, Jason L. and Olive, Keith A.},

  abstractNote = {We consider the prospects for the direct detection of dark matter in pure gravity meditation (PGM) models of supersymmetry breaking. Minimal PGM models require only two parameters, the gravitino mass, m3/2, which sets the UV mass for all scalar masses, and tanβ. Gaugino masses are generated through anomaly mediation. Typically the lightest supersymmetric state (the dark matter candidate) is a wino. Here, we consider a one-parameter extension of the minimal model by allowing the Higgs soft masses to deviate from universality. For simplicity, we take these to be equal and use the μ term as a surrogate. We also consider nonuniversal stop masses. When |μ| ~ 1 TeV, the Higgsino is a viable dark matter candidate when the gravitino mass is of order ~1 PeV and tanβ≃2. We calculate the spin-dependent and spin-independent cross sections for dark matter scattering on protons. For spin-independent scattering, existing experimental limits place constraints on the PGM parameter space. Much of the currently allowed parameter space lies above the irreducible neutrino background. Thus, future direct detection experiments will be able to probe much of the remaining PGM parameter space.},

  doi          = {10.1103/PhysRevD.106.055026},

  journal      = {Physical Review D},

  number       = 5,

  volume       = 106,

  place        = {United States},

  year         = {Wed Sep 21 00:00:00 EDT 2022},

  month        = {Wed Sep 21 00:00:00 EDT 2022}

}

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The MSSM parameter space with non-universal Higgs masses
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Title: Higgsino dark matter in pure gravity mediated supersymmetry

Abstract

Citation Formats

Direct detection of dark matter in the minimal supersymmetric standard model with non-universal Higgs boson masses journal, June 2003

Upper Bound of the Lightest Higgs Boson Mass in the Minimal Supersymmetric Standard Model journal, January 1991

Uncertainties in WIMP dark matter scattering revisited journal, July 2018

Possible signals of wino LSP at the Large Hadron Collider journal, January 2007

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Mitigating moduli messes in low-scale SUSY breaking journal, September 2011

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Vanishing squark and slepton masses in a class of supergravity models journal, January 1992

Locally supersymmetric SU(5) grand unification journal, December 1982

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Gravitino decay in high scale supersymmetry with R -parity violation journal, July 2018

O'Kklt journal, February 2007

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journal, June 2003

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Gauge models with spontaneously broken local supersymmetry
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Comparison of grand unified theories with electroweak and strong coupling constants measured at LEP
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The Discreet Charm of Higgsino Dark Matter: A Pocket Review
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Non-perturbative effect on thermal relic abundance of dark matter
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