Back to Search
Start Over
Current and Future Constraints on Dark Matter from Prompt and Inverse-Compton Photon Emission in the Isotropic Diffuse Gamma-ray Background
- Source :
- Phys. Rev. D 85, 043509 (2012)
- Publication Year :
- 2010
-
Abstract
- We perform a detailed examination of current constraints on annihilating and decaying dark matter models from both prompt and inverse-Compton emission photons, including both model-dependent and model-independent bounds. We also show that the observed isotropic diffuse gamma-ray background (DGRB), which provides one of the most conservative constraints on models of annihilating weak-scale dark matter particles, may enhance its sensitivity by a factor of ~2 to 3 (95% C.L.) as the Fermi-LAT experiment resolves DGRB contributing blazar sources with five years of observation. For our forecasts, we employ the results of constraints to the luminosity-dependent density evolution plus blazar spectral energy distribution sequence model, which is constrained by the DGRB and blazar source count distribution function.<br />Comment: 10 pages, 5 figures; v3: added discussion, matches version in PRD
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. D 85, 043509 (2012)
- Publication Type :
- Report
- Accession number :
- edsarx.1011.5090
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevD.85.043509