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The Evaporation of Strange Matter in the Early Universe

  • Charles Alcock (a1) and Edward Farhi (a1)

Extract

A new candidate for the dark matter of the universe is strange matter. This substance consists of roughly equal numbers of up, down and strange quarks confined in a quark phase which is conjectured to have a lower energy per baryon number than ordinary nuclei. Strange matter is absolutely stable, has a density comparable to that of nuclei and can exist in lumps ranging in size from a few fermis to ∼ 10 km. If it is distributed in space in lumps larger than ∼ 1 cm, it could close the universe without ever encountering the earth and would be astronomically unobservable.

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References

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1. Witten, E., Phys. Rev. D30, 272 (1984).
2. DeRujula, A. and Glashow, S., Nature 312, 734 (1984).
3. Farhi, E. and Jaffe, R. L., Phys. Rev. D30, 2379 (1984).
4. Applegate, J. and Hogan, C., Cal Tech preprint GRP032 (1984).

The Evaporation of Strange Matter in the Early Universe

  • Charles Alcock (a1) and Edward Farhi (a1)

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