Direct Detection of Light "Ge-phobic" Exothermic Dark Matter
arXiv:1404.7484 · doi:10.1088/1475-7516/2014/07/028
Abstract
We present comparisons of direct dark matter (DM) detection data for light WIMPs with exothermic scattering with nuclei (exoDM), both assuming the Standard Halo Model (SHM) and in a halo model - independent manner. Exothermic interactions favor light targets, thus reducing the importance of upper limits derived from xenon targets, the most restrictive of which is at present the LUX limit. In our SHM analysis the CDMS-II-Si and CoGeNT regions become allowed by these bounds, however the recent SuperCDMS limit rejects both regions for exoDM with isospin-conserving couplings. An isospin-violating coupling of the exoDM, in particular one with a neutron to proton coupling ratio of (which we call "Ge-phobic"), maximally reduces the DM coupling to germanium and allows the CDMS-II-Si region to become compatible with all bounds. This is also clearly shown in our halo-independent analysis.
arXiv comment14 pages, 10 figures
References in corpus (39)
- A Theory of Dark Matter
- First results from the LUX dark matter experiment at the Sanford Underground Research Facility
- First results from DAMA/LIBRA and the combined results with DAMA/NaI
- Inelastic Dark Matter
- New results from DAMA/LIBRA
- Results from a Search for Light-Mass Dark Matter with a P-type Point Contact Germanium Detector
- Results from 730 kg days of the CRESST-II Dark Matter Search
- The RAVE Survey: Constraining the Local Galactic Escape Speed
- Search for Low-Mass WIMPs with SuperCDMS
- Search for an Annual Modulation in a P-type Point Contact Germanium Dark Matter Detector
- A search for light dark matter in XENON10 data
- Compatibility of DAMA/LIBRA dark matter detection with other searches
- CoGeNT: A Search for Low-Mass Dark Matter using p-type Point Contact Germanium Detectors
- Exciting Dark Matter and the INTEGRAL/SPI 511 keV signal
- The RAVE survey: the Galactic escape speed and the mass of the Milky Way
- CDMSlite: A Search for Low-Mass WIMPs using Voltage-Assisted Calorimetric Ionization Detection in the SuperCDMS Experiment
- Final Analysis and Results of the Phase II SIMPLE Dark Matter Search
- Isospin-Violating Dark Matter
- Generalized Analysis of Weakly-Interacting Massive Particle Searches
- Integrating Out Astrophysical Uncertainties
- Compatibility of DAMA Dark Matter Detection with Other Searches
- Direct Detection of Multi-component Secluded WIMPs
- Resolving astrophysical uncertainties in dark matter direct detection
- Exothermic Dark Matter
- The unbearable lightness of being: CDMS versus XENON
- Halo independent comparison of direct dark matter detection data
- Exothermic Double-Disk Dark Matter
- Astrophysics independent bounds on the annual modulation of dark matter signals
- Generalized Halo Independent Comparison of Direct Dark Matter Detection Data
- Direct detection of Light Anapole and Magnetic Dipole DM
- Halo-independent methods for inelastic dark matter scattering
- Halo-independent analysis of direct detection data for light WIMPs
- Search for An Annual Modulation in Three Years of CoGeNT Dark Matter Detector Data
- Update on Light WIMP Limits: LUX, lite and Light
- Maximum Likelihood Signal Extraction Method Applied to 3.4 years of CoGeNT Data
- On the annual modulation signal in dark matter direct detection
- Dark Matter in Light of LUX
- DAMA Dark Matter Detection Compatible with Other Searches
- The Up-Shot of Inelastic Down-Scattering at CDMS-Si
Cited by in corpus (22)
- Extending two-Higgs-doublet models by a singlet scalar field - the Case for Dark Matter
- Quantifying (dis)agreement between direct detection experiments in a halo-independent way
- On the Direct Detection of Dark Matter Annihilation
- Reevaluation of spin-dependent WIMP-proton interactions as an explanation of the DAMA data
- A systematic halo-independent analysis of direct detection data within the framework of Inelastic Dark Matter
- Light mediators in dark matter direct detections
- Halo-Independent Direct Detection Analyses Without Mass Assumptions
- Halo-independent determination of the unmodulated WIMP signal in DAMA: the isotropic case
- Assessing Compatibility of Direct Detection Data: Halo-Independent Global Likelihood Analyses
- Light weakly interacting massive particles
- Direct Detection of Exothermic Dark Matter with Light Mediator
- TASI 2014 Lectures: The Hunt for Dark Matter
- Extended Maximum Likelihood Halo-independent Analysis of Dark Matter Direct Detection Data
- Target dependence of the annual modulation in direct dark matter searches
- On the importance of direct detection combined limits for spin independent and spin dependent dark matter interactions
- Halo-Independent Analysis of Direct Dark Matter Detection Through Electron Scattering
- Updated Constraints on the Dark Matter Interpretation of CDMS-II-Si Data
- Halo-Independent Dark Matter Electron Scattering Analysis with In-Medium Effects
- Inverted dipole feature in directional detection of exothermic dark matter
- Effective scalar four-fermion interaction for Ge-phobic exothermic dark matter and the CDMS-II Silicon excess
- Exothermic Dark Matter with Light Mediator after LUX and PandaX-II in 2016
- Halo-Independent analysis of direct dark matter detection data for any WIMP interaction