Baryon Asymmetry, Dark Matter and the Hidden Sector

Details Baryon Asymmetry, Dark Matter and the Hidden Sector Baryon Asymmetry, Dark Matter and the Hidden Sector

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003hywh.book...60b&link_type=abstract

100 Years Werner Heisenberg: Works and Impact, by Dietrich Papenfuß (Editor), Dieter Lüst (Editor), Wolfgang P. Schleich (Editor

Physics

Elementary Particles Theory, Baryon Asymmetry, Dark Matter, Hidden Sector, Non-Zero Asymmetry, Hidden Mirror Sector, Natural Framework For The Sterile Neutrinos

Scientific paper

We propose a mechanism in which the baryon asymmetry of the Universe is produced in out-of-equilibrium, B - L and CP violating scattering processes that convert ordinary particles into particles of some hidden sector. The same mechanism should produce a non-zero asymmetry also in the hidden sector particles and thus the latter could provide a natural candidate for the dark matter. We discuss the example of the hidden mirror sector, which also provides a natural framework for the sterile neutrinos, and consider the processes lφ→l'φ', l¯'φ' mediated by the heavy Majorana neutrinos N of the seesaw mechanism, where l and φ are ordinary lepton and Higgs doublets and l', φ' their hidden counterparts.

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