Cosmological Relics of the High Energy Cold Dark Matter Particle in the Universe

Details Cosmological Relics of the High Energy Cold Dark Matter Particle in the Universe Cosmological Relics of the High Energy Cold Dark Matter Particle in the Universe

1997-10-17

arxiv.org/abs/hep-ph/9710383v1

Commun.Theor.Phys. 34 (2000) 123-128

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 Latex pages, no figures

Scientific paper

We demonstrate that if the universe is dominated by the massive cold dark matter, then besides the generally believed thermal distribution of the dark matter relics, there may exist some very energetic non-thermal relics of the dark matter particles in the universe from some unknown sources, such as from decay of supermassive X particle released from topological defect collapse or annihilation. Very interesting, we point out that these high energy dark matter particles may be observable in the current and future cosmic ray experiments.

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