Detecting sterile dark matter in space

Abstract

Space-based instruments provide new and, in some cases, unique opportunities to search for dark matter. In particular, if dark matter comprises sterile neutrinos, the x ray detection of their decay line is the most promising strategy for discovery. Sterile neutrinos with masses in the keV range could solve several long-standing astrophysical puzzles, from supernova asymmetries and the pulsar kicks to star formation, reionization, and baryogenesis. The best current limits on sterile neutrinos come from Chandra and XMM-Newton. Future advances can be achieved with a high-resolution x-ray spectrometry in space.

11 pages, 1 figure, to appear in proceedings "From Quantum to Cosmos: fundametal physics research in space", Washington, DC, May 22-24, 2006

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Cited by in corpus (9)

• Model independent analysis of dark matter points to a particle mass at the keV scale
• Clustering properties of a sterile neutrino dark matter candidate
• Small scale aspects of warm dark matter : power spectra and acoustic oscillations
• Favoured $B_c$ Decay modes to search for a Majorana neutrino
• Searching for sterile neutrinos from $\pi$ and $K$ decays
• Sterile neutrinos produced near the EW scale I: mixing angles, MSW resonances and production rates
• Some properties of dark matter field in the complex octonion space
• Unsterile-Active Neutrino Mixing: Consequences on Radiative Decay and Bounds from the X-ray Background
• Charged lepton mixing via heavy sterile neutrinos