Dark Matter Candidates

Abstract

An overview is given of various dark matter candidates. Among the many suggestions given in the literature, axions, inert Higgs doublet, sterile neutrinos, supersymmetric particles and Kaluza-Klein particles are discussed. The situation has recently become very interesting with new results on antimatter in the cosmic rays having dark matter as one of the leading possible explanations. Problems of this explanation and possible solutions are discussed, and the importance of new measurements is emphasized. If the explanation is indeed dark matter, a whole new field of physics, with unusual although not impossible mass and interaction properties may soon open itself to discovery.

19 pages, 2 figures; invited contribution to NJP Focus Issue on "Dark Matter and Particle Physics". Changes in axion and neutrino sections

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• Possible causes of a rise with energy of the cosmic ray positron fraction
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Cited by in corpus (92)

• A Tentative Gamma-Ray Line from Dark Matter Annihilation at the Fermi Large Area Telescope
• Dark Matter Evidence, Particle Physics Candidates and Detection Methods
• New Limits on Interactions between Weakly Interacting Massive Particles and Nucleons Obtained with CsI(Tl) Crystal Detectors
• On cosmic ray acceleration in supernova remnants and the FERMI/PAMELA data
• Axion cold dark matter in non-standard cosmologies
• Prospects of detecting gamma-ray emission from galaxy clusters: cosmic rays and dark matter annihilations
• High-Energy Neutrino Astrophysics: Status and Perspectives
• Streams and caustics: the fine-grained structure of LCDM haloes
• Gamma rays from ultracompact primordial dark matter minihalos
• Axionic instabilities and new black hole solutions
• Electromagnetic emission from axionic clouds and the quenching of superradiant instabilities
• $e^{\pm }$ Excesses in the Cosmic Ray Spectrum and Possible Interpretations
• Nonlocal metric formulations of MOND with sufficient lensing
• Introduction of the CDEX experiment
• A Profile Likelihood Analysis of the Constrained MSSM with Genetic Algorithms
• Direct Constraints on Minimal Supersymmetry from Fermi-LAT Observations of the Dwarf Galaxy Segue 1
• Gravitational-wave imprints of compact and galactic-scale environments in extreme-mass-ratio binaries
• Dynamical Friction in Gravitational Atoms
• Combined Limits on WIMPs from the CDMS and EDELWEISS Experiments
• Energy Dependence of Direct Detection Cross Section for Asymmetric Mirror Dark Matter
• AMS-02 positron excess: new bounds on dark matter models and hint for primary electron spectrum hardening
• XENON100 Implications for Naturalness in the MSSM, NMSSM and lambda-SUSY
• Constraining Minimal $U(1{)}_{B-L}$ model from Dark Matter Observations
• Dynamics of Scalar Field Dark Matter With a Cosh-like Potential
• Search for Dark Matter with CRESST
• Dark D-brane Cosmology
• Dark matter substructure modelling and sensitivity of the Cherenkov Telescope Array to Galactic dark halos
• A fresh look into the interacting dark matter scenario
• Universal properties of Dark Matter halos
• Dark Matter and Synchrotron Emission from Galactic Center Radio Filaments
• Physical laboratory at the center of the Galaxy
• Search for Gamma-Ray Lines towards Galaxy Clusters with the Fermi-LAT
• Semiclassical geons as solitonic black hole remnants
• How well will ton-scale dark matter direct detection experiments constrain minimal supersymmetry?
• Dark Matter in the Coming Decade: Complementary Paths to Discovery and Beyond
• Gamma-rays from dark matter annihilations strongly constrain the substructure in halos
• Annihilation vs. Decay: Constraining dark matter properties from a gamma-ray detection
• Simplified SIMPs and the LHC
• Extreme-mass-ratio inspirals into rotating boson stars: nonintegrability, chaos, and transient resonances
• Non-minimally coupled dark matter: effective pressure and structure formation
• Fine-Tuning Implications of Direct Dark Matter Searches in the MSSM
• Analysis method for detecting topological defect dark matter with a global magnetometer network
• A Common Framework for Dark Matter, Leptogenesis and Neutrino Masses
• Antimatter production in supernova remnants
• New Constraints on Primordial Minihalo Abundance Using Cosmic Microwave Background Observations
• Probing the Existence of a Dark Matter Isothermal Core Using Gravity Modes
• The generalized Chaplygin-Jacobi gas
• A Markov Chain Monte Carlo Study on Dark Matter Property Related to the Cosmic e${}^{\pm }$ Excesses
• Heart of Darkness: The Significance of the Zeptobarn Scale for Neutralino Direct Detection
• Accurate calculations of the WIMP halo around the Sun and prospects for its gamma-ray detection
• The Morphology of the Galactic Dark Matter Synchrotron Emission with Self-Consistent Cosmic Ray Diffusion Models
• Statistical coverage for supersymmetric parameter estimation: a case study with direct detection of dark matter
• The Abundance of New Kind of Dark Matter Structures
• Making sense of the local Galactic escape speed estimates in direct dark matter searches
• Spinning Black Holes with Axion Hair
• Electromagnetic emission from axionic boson star collisions
• The baryon cycle of Seven Dwarfs with superbubble feedback
• Dark Matter Decay and the Abundance of Ultracompact Minihalos
• Constraining Dark Matter Properties with Gamma-Rays from the Galactic Center with Fermi-LAT
• Constraints on the basic parameters of dark matter using the Planck data
• Cosmic Ray Spectra in Nambu-Goldstone Dark Matter Models
• Influence of ~7 keV sterile neutrino dark matter on the process of reionization
• Constraining the Milky Way Dark Matter Density Profile with Gamma-Rays with Fermi-LAT
• A lower limit on the dark particle mass from dSphs
• Muon Fluxes and Showers from Dark Matter Annihilation in the Galactic Center
• Determining the nuclear form factor for detection of dark matter in the relativistic mean field theory
• Cosmological implications of a Dark Matter self-interaction energy density
• Heating of galactic gas by dark matter annihilation in ultracompact minihalos
• An update on the two singlet Dark Matter model
• Cosmic expansion from boson and fermion fields
• Early search for supersymmetric dark matter models at the LHC without missing energy
• Dark Sector extensions of the Littlest Seesaw in the presence of Primordial Black Holes
• Measurement of directional range components of nuclear recoil tracks in a fiducialised dark matter detector
• Testing the dark matter origin of the WMAP-Planck Haze with radio observations of Spiral Galaxies
• A New Parameterized Interacting Holographic Dark Energy
• Extracting Dark Matter Properties Model-Independently from Direct Detection Experiments
• A Model of Four Generation Fermions and Cold Dark Matter and Matter-Antimatter Asymmetry
• Origin Of The Cosmic Ray Positrons Observed Near Earth- Meson Decay Or Dark Matter Decay?
• XENON1T Takes a Razor to a Dark $E_6$-Inspired Model
• Gravitational Wave Resonance in Ultra-Light Dark Matter Halos
• Weyl-Invariant Gravity and the Nature of Dark Matter
• Bayesian WIMP detection with the Cherenkov Telescope Array
• Characterizing the equivalence between dark energy and radiation using gamma-ray bursts
• The gamma-ray spectral feature from Kaluza-Klein dark matter annihilation and its observability
• Gamma Rays from Annihilations at the Galactic Center in a Physical Dark Matter Distribution
• Analytical insight into dark matter subhalo boost factors for Sommerfeld-enhanced $s$- and $p$-wave $\gamma$-ray signals
• Continuum Dark Matter
• The electron plus positron spectrum from annihilation of Kaluza-Klein dark matter in the Galaxy
• Antimatter spectra from a time-dependent modeling of supernova remnants
• WIMP Dark Matter from a Natural Discrete Gauge Symmetry in the Standard Model
• From rotating attractors to extremal black holes with axionic hair
• $keV$ sterile neutrino as dark matter in doublet left-right symmetric model with $A_4$ modular symmetry