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The Evaporation of Strange Matter in the Early Universe

Published online by Cambridge University Press:  04 August 2017

Charles Alcock  and
Edward Farhi
Charles Alcock
Affiliation:
Massachusetts Institute of Technology
Edward Farhi
Affiliation:
Massachusetts Institute of Technology

Extract

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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.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 117: Dark Matter in the Universe , 1987 , pp. 489
Copyright
Copyright © Reidel 1987 

References

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