Decaying into the Hidden Sector

Details Decaying into the Hidden Sector Decaying into the Hidden Sector

2009-08-12

arxiv.org/abs/0908.1570v1

JHEP 1002:024,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

40 pages, 5 figures

Scientific paper

10.1007/JHEP02(2010)024

The existence of light hidden sectors is an exciting possibility that may be tested in the near future. If DM is allowed to decay into such a hidden sector through GUT suppressed operators, it can accommodate the recent cosmic ray observations without over-producing antiprotons or interfering with the attractive features of the thermal WIMP. Models of this kind are simple to construct, generic and evade all astrophysical bounds. We provide tools for constructing such models and present several distinct examples. The light hidden spectrum and DM couplings can be probed in the near future, by measuring astrophysical photon and neutrino fluxes. These indirect signatures are complimentary to the direct production signals, such as lepton jets, predicted by these models.

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