Not so Coy Dark Matter explains DAMA (and the Galactic Center excess)

Abstract

We study a Dirac Dark Matter particle interacting with ordinary matter via the exchange of a light pseudo-scalar, and analyze its impact on both direct and indirect detection experiments. We show that this candidate can accommodate the long-standing DAMA modulated signal and yet be compatible with all exclusion limits at $99_S$ % CL. This result holds for natural choices of the pseudo-scalar-quark couplings (e.g.~flavor-universal), which give rise to a significant enhancement of the Dark Matter-proton coupling with respect to the coupling to neutrons. We also find that this candidate can accommodate the observed 1-3 GeV gamma-ray excess at the Galactic Center and at the same time have the correct relic density today. The model could be tested with measurements of rare meson decays, flavor changing processes, and searches for axion-like particles with mass in the MeV range.

arXiv comment5+4 pages, 1+1 figure; Added constraints from the KIMS experiment and from the electron and muon anomalous magnetic moment; references added; conclusions unchanged; matches version published in PRL (with a different title)

References in corpus (28)

• CODATA Recommended Values of the Fundamental Physical Constants: 2010
• First results from the LUX dark matter experiment at the Sanford Underground Research Facility
• Dark Matter Results from 225 Live Days of XENON100 Data
• Results from 730 kg days of the CRESST-II Dark Matter Search
• The Effective Field Theory of Dark Matter Direct Detection
• Final model independent result of DAMA/LIBRA-phase1
• Search for Low-Mass WIMPs with SuperCDMS
• Beyond Collisionless Dark Matter: Particle Physics Dynamics for Dark Matter Halo Structure
• Astrophysical and Dark Matter Interpretations of Extended Gamma-Ray Emission from the Galactic Center
• First dark matter search results from a 4-kg CF${}_3$I bubble chamber operated in a deep underground site
• Final Analysis and Results of the Phase II SIMPLE Dark Matter Search
• Tools for model-independent bounds in direct dark matter searches
• Constraints on Low-Mass WIMP Interactions on 19F from PICASSO
• NEST: A Comprehensive Model for Scintillation Yield in Liquid Xenon
• New Limits on Interactions between Weakly Interacting Massive Particles and Nucleons Obtained with CsI(Tl) Crystal Detectors
• Extended gamma-ray emission from Coy Dark Matter
• Revisiting Scalar and Pseudoscalar Couplings with Nucleons
• On dark matter models with uniquely spin-dependent detection possibilities
• Large Two-Loop Contributions to g-2 from a Generic Pseudoscalar Boson
• Momentum Dependent Dark Matter Scattering
• WIMP-nucleus scattering in chiral effective theory
• Global fits of the dark matter-nucleon effective interactions
• On the Effect of Nuclear Response Functions in Dark Matter Direct Detection
• A Bayesian view of the current status of dark matter direct searches
• Shining LUX on Isospin-Violating Dark Matter Beyond Leading Order
• Coy Dark Matter and the anomalous magnetic moment
• Status of the lepton g-2 and effects of hadronic corrections
• Chasing a consistent picture for dark matter direct searches

Cited by in corpus (89)

• The Waning of the WIMP? A Review of Models, Searches, and Constraints
• Dark Matter Benchmark Models for Early LHC Run-2 Searches: Report of the ATLAS/CMS Dark Matter Forum
• A Tale of Tails: Dark Matter Interpretations of the Fermi GeV Excess in Light of Background Model Systematics
• A taste of dark matter: Flavour constraints on pseudoscalar mediators
• Dark Matter through the Higgs portal
• A Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics
• WIMPs at the Galactic Center
• Pseudoscalar Portal Dark Matter
• Challenges in Explaining the Galactic Center Gamma-Ray Excess with Millisecond Pulsars
• NMSSM Interpretation of the Galactic Center Excess
• Boosted Dark Matter in IceCube and at the Galactic Center
• Pseudoscalar Mediators: A WIMP model at the Neutrino Floor
• Galactic center $\gamma$-ray excess in hidden sector DM models with dark gauge symmetries: local $Z_3$ symmetry as an example
• Pseudo-Goldstone dark matter confronts cosmic ray and collider anomalies
• Model-independent bounds on light pseudoscalars from rare B-meson decays
• A possible indication of momentum-dependent asymmetric dark matter in the Sun
• A comprehensive approach to dark matter studies: exploration of simplified top-philic models
• Towards a realistic astrophysical interpretation of the gamma-ray Galactic center excess
• A description of the Galactic Center excess in the Minimal Supersymmetric Standard Model
• Two component WIMP-FImP dark matter model with singlet fermion, scalar and pseudo scalar
• Search for Gamma-ray Emission from Dark Matter Annihilation in the Large Magellanic Cloud with the Fermi Large Area Telescope
• Scintillation efficiency measurement of Na recoils in NaI(Tl) below the DAMA/LIBRA energy threshold
• Nonthermal Two Component Dark Matter Model for Fermi-LAT $\gamma$-ray excess and 3.55 keV X-ray Line
• The Waning of the WIMP: Endgame?
• Towards a Supersymmetric Description of the Fermi Galactic Center Excess
• Searching for Secluded Dark Matter with H.E.S.S., Fermi-LAT, and Planck
• Signals of a Light Dark Force in the Galactic Center
• SUSY explanation of the Fermi Galactic Center Excess and its test at LHC Run-II
• Solar $\gamma$-rays as a Complementary Probe of Dark Matter
• Identifying the Theory of Dark Matter with Direct Detection
• Fits to the Fermi-LAT GeV excess with RH sneutrino dark matter: implications for direct and indirect dark matter searches and the LHC
• Multimediator models for the galactic center gamma ray excess
• The $\text{Fermi}$-LAT gamma-ray excess at the Galactic Center in the singlet-doublet fermion dark matter model
• DAMA confronts null searches in the effective theory of dark matter-nucleon interactions
• Constraining Dark Matter Interactions with Pseudoscalar and Scalar Mediators Using Collider Searches for Multi-jets plus Missing Transverse Energy
• NMSSM explanations of the Galactic center gamma ray excess and promising LHC searches
• Reevaluation of spin-dependent WIMP-proton interactions as an explanation of the DAMA data
• The Flavour Portal to Dark Matter
• Galactic Center Gamma-Ray Excess through a Dark Shower
• Confronting Galactic and Extragalactic $\gamma$-ray observed by Fermi-LAT with Annihilating Dark Matter in Inert Higgs Doublet Model
• Casting a Wide Signal Net with Future Direct Dark Matter Detection Experiments
• $SU(2{)}_X$ Vector DM and Galactic Center Gamma-Ray Excess
• Analysis of the theoretical bias in dark matter direct detection
• Extending LHC Coverage to Light Pseudoscalar Mediators and Coy Dark Sectors
• Type-III two Higgs doublet model plus a pseudoscalar confronted with $h\to \mu \tau$, muon $g-2$ and dark matter
• Comparing 2HDM $+$ Scalar and Pseudoscalar Simplified Models at LHC
• Revisiting the direct detection of dark matter in simplified models
• Asymptotically Safe Dark Matter
• Galactic Gamma Ray Excess and Dark Matter Phenomenology in a $U(1{)}_{B-L}$ Model
• Limits on Dark Matter Effective Field Theory Parameters with CRESST-II
• Confronting Galactic center and dwarf spheroidal gamma-ray observations with cascade annihilation models
• Generalized spin-dependent WIMP-nucleus interactions and the DAMA modulation effect
• Impact of cosmological and astrophysical constraints on dark matter simplified models
• Light weakly interacting massive particles
• Exploring Spin-3/2 Dark Matter with Effective Higgs Couplings
• Pseudoscalar Portal Dark Matter and New Signatures of Vector-like Fermions
• TASI 2014 Lectures: The Hunt for Dark Matter
• Indirect Probes of Dark Matter and Globular Cluster Properties From Dark Matter Annihilation within the Coolest White Dwarfs
• Dark Higgs Channel for FERMI GeV $\gamma$-ray Excess
• Muon g-2 and galactic centre $\gamma$-ray excess in a scalar extension of the 2HDM type-X
• Annual modulations from secular variations: relaxing DAMA?
• Wavelet-Based Techniques for the Gamma-Ray Sky
• Inelastic dark matter with spin-dependent couplings to protons and large modulation fractions in DAMA
• Tau Portal Dark Matter models at the LHC
• Fermionic Dark Matter through a Light Pseudoscalar Portal: Hints from the DAMA Results
• On the sensitivity of present direct detection experiments to WIMP-quark and WIMP-gluon effective interactions: a systematic assessment and new model-independent approaches
• Pulse-shape discrimination between electron and nuclear recoils in a NaI(Tl) crystal
• Enhanced neutrino emissivities in pseudoscalar-mediated Dark Matter annihilation in Neutron Stars
• Exothermic isospin-violating dark matter after SuperCDMS and CDEX
• Simplified dark matter models with loop effects in direct detection and the constraints from indirect detection and collider search
• A 17 MeV pseudoscalar and the LSND, MiniBooNE and ATOMKI anomalies
• Explaining Low Energy $\gamma$-ray Excess from the Galactic Centre using a Two Component Dark Matter Model
• Interpreting the galactic center gamma-ray excess in the NMSSM
• Model-independent constraints with extended dark matter EFT
• Top partners tackling vector dark matter
• Search for a new pseudoscalar decaying into a pair of muons in events with a top-quark pair at $\sqrt{s}=13$ TeV with the ATLAS detector
• Revisiting simplified dark matter models in terms of AMS-02 and Fermi-LAT
• Simplified dark matter models in the light of AMS-02 antiproton data
• Self-Interacting Dark Matter with Naturally Light Mediator
• Hidden Higgs Portal Vector Dark Matter for the Galactic Center Gamma-Ray Excess from the Two-Step Cascade Annihilation, and Muon g-2
• Indirect Detection Imprint of a CP Violating Dark Sector
• Perspectives on a Supersymmetric Extension of the Standard Model with a $Y=0$ Higgs Triplet and a Singlet at the LHC
• Search for Scalar Dark Matter via Pseudoscalar Portal Interactions: In Light of the Galactic Center Gamma-Ray Excess
• Dwarf Galaxy $\gamma$-excess and 3.55 keV X-ray Line In A Nonthermal Dark Matter Model
• Understanding internal backgrounds of NaI(Tl) crystals toward a 200~kg array for the KIMS-NaI experiment
• A simulation-based study of the neutron backgrounds for NaI dark matter experiments
• Measurement of low-energy background events due to ${}^{222}$Rn contamination on the surface of a NaI(Tl) crystal
• Prospects for sub-EW-scale ALP searches via $\gamma +b\bar{b}$ signatures at the LHC using jet substructure techniques
• Review on Dark Matter Tools