Journal
MODERN PHYSICS LETTERS A
Volume 30, Issue 37, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217732315300281
Keywords
Baryogenesis; WIMP; dark matter
Categories
Funding
- Perimeter Institute for Theoretical Physics, Government of Canada through Industry Canada
- Province of Ontario through the Ministry of Research and Innovation
- US NSF [PHY-1315155]
- Maryland Center for Fundamental Physics
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It was recently proposed that weakly interacting massive particles (WIMP) may provide new ways of generating the observed baryon asymmetry in the early universe, as well as addressing the cosmic coincidence between dark matter (DM) and baryon abundances. This suggests a new possible connection between weak scale new particle physics and modern cosmology. This review summarizes the general ideas and simple model examples of the two recently proposed WIMP baryogenesis mechanisms: baryogenesis from WIMP DM annihilation during thermal freeze-out, and baryogenesis from metastable WIMP decay after thermal freeze-out. This review also discusses the interesting phenomenology of these models, in particular, the experimental signals that can be probed in the intensity frontier experiments and the large hadron collider (LHC) experiments.
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