Detecting sterile dark matter in space

Details Detecting sterile dark matter in space Detecting sterile dark matter in space

2006-08-04

arxiv.org/abs/astro-ph/0608096v3

Int.J.Mod.Phys.D16:2325-2335,2008

Astronomy and Astrophysics

Astrophysics

11 pages, 1 figure, to appear in proceedings "From Quantum to Cosmos: fundametal physics research in space", Washington, DC, M

Scientific paper

10.1142/S0218271807011498

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.

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