The top squark-mediated annihilation scenario and direct detection of dark matter in compressed supersymmetry
arXiv:0707.2812 · doi:10.1103/PhysRevD.76.095005
Abstract
Top squark-mediated annihilation of bino-like neutralinos to top-antitop pairs can play the dominant role in obtaining a thermal relic dark matter abundance in agreement with observations. In a previous paper, it was argued that this can occur naturally in models of compressed supersymmetry, which feature a running gluino mass parameter that is substantially smaller than the wino mass parameter at the scale of apparent gauge coupling unification. Here I study in some more detail the parameter space in which this is viable, and compare to other scenarios for obtaining the observed dark matter density. I then study the possibility of detecting the dark matter directly in future experiments. The prospects are consistently very promising for a wide variety of model parameters within this scenario.
arXiv comment17 pages. v2: additions to figures 4 and 6
References in corpus (80)
- Wilkinson Microwave Anisotropy Probe (WMAP) Three Year Results: Implications for Cosmology
- Particle Dark Matter: Evidence, Candidates and Constraints
- Supersymmetric Dark Matter
- The Cosmological Parameters 2006
- Big-Bang nucleosynthesis (Particle Data Group mini-review)
- Cosmological parameters from SDSS and WMAP
- Final Report of the Muon E821 Anomalous Magnetic Moment Measurement at BNL
- A Supersymmetry Primer
- Search for the Standard Model Higgs Boson at LEP
- DarkSUSY: Computing Supersymmetric Dark Matter Properties Numerically
- SuSpect: a Fortran Code for the Supersymmetric and Higgs Particle Spectrum in the MSSM
- SOFTSUSY: a program for calculating supersymmetric spectra
- micrOMEGAs2.0: a program to calculate the relic density of dark matter in a generic model
- Neutralino Relic Density including Coannihilations
- Search for Neutral MSSM Higgs Bosons at LEP
- micrOMEGAs: A program for calculating the relic density in the MSSM
- First Results from the XENON10 Dark Matter Experiment at the Gran Sasso National Laboratory
- The Neutralino Relic Density in Minimal N=1 Supergravity
- Multi-TeV Scalars are Natural in Minimal Supergravity
- Focus Points and Naturalness in Supersymmetry
- Weak Radiative B-Meson Decay Beyond Leading Logarithms
- The Well-Tempered Neutralino
- micrOMEGAs: Version 1.3
- Naturalness, Weak Scale Supersymmetry and the Prospect for the Observation of Supersymmetry at the Tevatron and at the LHC
- Neutralino Dark Matter in Focus Point Supersymmetry
- Calculations of Neutralino-Stau Coannihilation Channels and the Cosmologically Relevant Region of MSSM Parameter Space
- Neutralino-Stau Coannihilation and the Cosmological Upper Limit on the Mass of the Lightest Supersymmetric Particle
- ISAJET 7.37: A Monte Carlo Event Generator for , , and Interactions
- Limits on spin-independent WIMP-nucleon interactions from the two-tower run of the Cryogenic Dark Matter Search
- Neutralino-Nucleon Scattering Revisited
- QCD Anatomy of B -> X_s gamma Decays
- Light Scalar Top Quarks and Supersymmetric Dark Matter
- Exploration of the MSSM with Non-Universal Higgs Masses
- Non-Universal Soft SUSY Breaking and Dark Matter
- Supersymmetric Cold Dark Matter with Yukawa Unification
- Update on the Direct Detection of Supersymmetric Dark Matter
- Calculations of Neutralino-Stop Coannihilation in the CMSSM
- Supersymmetric Dark Matter and Yukawa Unification
- Neutralino dark matter in supersymmetric models with non--universal scalar mass terms
- Gaugino Mass Nonuniversality and Dark Matter in SUGRA, Strings and D Brane Models
- Naturalness Implications of LEP Results
- Implications for relic neutralinos of the theoretical uncertainties in the neutralino-nucleon cross-section
- SUSY Phenomenology of KKLT Flux Compactifications
- Neutralino Cold Dark Matter in a One Parameter Extension of the Minimal Supergravity Model
- Relic Neutralino Densities and Detection Rates with Nonuniversal Gaugino Masses
- Accurate relic densities with neutralino, chargino and sfermion coannihilations in mSUGRA
- Radiative Electroweak Symmetry Breaking and the Infrared Fixed Point of the Top Quark Mass
- Dark Matter, Light Stops and Electroweak Baryogenesis
- Compressed supersymmetry and natural neutralino dark matter from top squark-mediated annihilation to top quarks
- WMAP constraints on SUGRA models with non-universal gaugino masses and prospects for direct detection
- The Role of Wino Content in Neutralino Dark Matter
- Higgsino Dark Matter in a SUGRA Model with Nonuniversal Gaugino Masses
- Neutralino dark matter in supergravity theories with non-universal scalar and gaugino masses
- Fine-Tuning Constraints on Supergravity Models
- The Reach of Fermilab Tevatron Upgrades for SU(5) Supergravity Models with Non-universal Gaugino Masses
- Supersymmetric Benchmarks with Non-Universal Scalar Masses or Gravitino Dark Matter
- Renormalisation-group invariance and soft supersymmetry-breaking
- Higgs and Supersymmetric Particle Signals at the Infrared Fixed Point of the Top Quark Mass
- Neutralino Dark Matter beyond CMSSM Universality
- On the Scale Uncertainties in the Decay
- Natural Dark Matter in SUSY GUTs with Non-universal Gaugino Masses
- Direct Detection of Dark Matter in the MSSM with Non-Universal Higgs Masses
- Direct versus indirect detection in mSUGRA with self-consistent halo models
- Collider and Dark Matter Phenomenology of Models with Mirage Unification
- The Quasi-Fixed MSSM
- Prospects for Sparticle Discovery in Variants of the MSSM
- Infra-red fixed point structure of soft supersymmetry breaking mass terms
- Constraints on ultraviolet-stable fixed points in supersymmetric gauge theories
- XENON: a 1 tonne Liquid Xenon Experiment for a Sensitive Dark Matter Search
- Relic density of neutralino dark matter in the MSSM with CP violation
- Viable models with non-universal gaugino mediated supersymmetry breaking
- Aspects of Supersymmetric Models with a Radiatively Driven Inverted Mass Hierarchy
- Natural Implementation of Neutralino Dark Matter
- Mixed Higgsino Dark Matter from a Reduced SU(3) Gaugino Mass: Consequences for Dark Matter and Collider Searches
- Collider and Dark Matter Searches in Models with Mixed Modulus-Anomaly Mediated SUSY Breaking
- Higgs Boson Exempt No-Scale Supersymmetry and its Collider and Cosmology Implications
- Mixed Bino-Wino-Higgsino Dark Matter in Gauge Messenger Models
- Natural Dark Matter from Type I String Theory
- Dark matter and Colliders searches in the MSSM
- Probing SUSY beyond the reach of LEP2 at the Fermilab Tevatron: low |M_3| dark matter models
Cited by in corpus (26)
- Naturalness and the Status of Supersymmetry
- The Hunt for New Physics at the Large Hadron Collider
- Large Hadron Collider reach for supersymmetric models with compressed mass spectra
- Non-universal gaugino masses from non-singlet F-terms in non-minimal unified models
- Compressed supersymmetry after 1/fb at the Large Hadron Collider
- Natural Dark Matter in SUSY GUTs with Non-universal Gaugino Masses
- Diphoton decays of stoponium at the Large Hadron Collider
- Non-universal gaugino masses, the supersymmetric little hierarchy problem, and dark matter
- Collider signals and neutralino dark matter detection in relic-density-consistent models without universality
- Non-universal gaugino masses and semi-natural supersymmetry in view of the Higgs boson discovery
- Exploring compressed supersymmetry with same-sign top quarks at the Large Hadron Collider
- Heavy-flavour tagging and the supersymmetry reach of the CERN Large Hadron Collider
- LHC search for di-Higgs decays of stoponium and other scalars in events with two photons and two bottom jets
- Opening the black box of neural nets: case studies in stop/top discrimination
- Search for top squark pair production in compressed-mass-spectrum scenarios in proton-proton collisions at sqrt(s) = 8 TeV using the alpha[T] variable
- Radiative corrections to stoponium annihilation decays
- Mixed Higgsino Dark Matter from a Large SU(2) Gaugino Mass
- Decoding the Mechanism for the Origin of Dark Matter in the Early Universe Using LHC Data
- Constraining compressed supersymmetry using leptonic signatures
- A search for new phenomena in pp collisions at sqrt(s) = 13 TeV in final states with missing transverse momentum and at least one jet using the alphaT variable
- Phenomenological Implications of Deflected Mirage Mediation: Comparison with Mirage Mediation
- Threshold and Flavour Effects in the Renormalization Group Equations of the MSSM I: Dimensionless Couplings
- Search for supersymmetry in pp collisions at sqrt(s) = 8 TeV in final states with boosted W bosons and b jets using razor variables
- Boosted jet techniques for a supersymmetric scenario with gravitino LSP
- Dark matter in the KL moduli stabilization scenario with SUSY breaking sector from SQCD
- High Scale Physics Connection to LHC Data