Composite dark matter from stable charged constituents

Details Composite dark matter from stable charged constituents Composite dark matter from stable charged constituents

2008-06-22

arxiv.org/abs/0806.3581v1

Astronomy and Astrophysics

Astrophysics

Presented at 20th Rencontres internationales de Blois, Chateau de Blois, France, 2008

Scientific paper

Heavy stable charged particles can exist, hidden from us in bound atomlike states. Models with new stable charged leptons and quarks give rise to realistic composite dark matter scenarios. Significant or even dominant component of O-helium (atomlike system of He4 nucleus and heavy -2 charged particle) is inevitable feature of such scenarios. Possible O-helium explanation for the positron excess in the galactic bulge and for the controversy between the positive results of DAMA and negative results of other experiments is proposed.

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