Possible manifestation of heavy stable colored particles in cosmology and cosmic rays

Details Possible manifestation of heavy stable colored particles in cosmology and cosmic rays Possible manifestation of heavy stable colored particles in cosmology and cosmic rays

1997-08-29

arxiv.org/abs/hep-ph/9708497v1

Phys.Rev. D57 (1998) 1940-1946

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages; UMD-PP-98-17

Scientific paper

10.1103/PhysRevD.57.1940

We discuss the cosmological implications as well as possible observability of massive, stable, colored particles which often appear in the discussion of physics beyond the standard model. We argue that if their masses are more than a few hundred GeV and if they saturate the halo density and/or occur with closure density of the universe, they are ruled out by the present WIMP search experiments as well as the searches for anomalous heavy isotopes of ordinary nuclei. We then comment on the possibility that these particles as well as the monopoles could be responsible for the ultra high energy cosmic rays with energy $\geq 10^{20}$ eV and point out that their low inelasticity argues against this.

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