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Dark matter: theoretical perspectives.

M S Turner1

  • 1Department of Physics, Enrico Fermi Institute, University of Chicago, Chicago, IL 60637-1433, USA.

Proceedings of the National Academy of Sciences of the United States of America
|June 1, 1993
PubMed
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The prevailing flat Universe model suggests nonbaryonic dark matter, though unproven. Compelling particle physics candidates exist beyond the standard model, offering evidence for new physics.

Area of Science:

  • Cosmology
  • Particle Physics
  • Astrophysics

Background:

  • Current cosmological models favor a flat Universe dominated by nonbaryonic dark matter.
  • This dominance remains a theoretical prejudice, not yet empirically verified.
  • The standard model of particle physics lacks suitable dark matter candidates.

Purpose of the Study:

  • To review and advocate for the nonbaryonic dark matter hypothesis.
  • To explore theoretical motivations for dark matter within extensions of the standard model.
  • To discuss compelling dark matter candidates and their detection prospects.

Main Methods:

  • Theoretical review of dark matter candidates.
  • Analysis of particle physics extensions to the standard model.

Related Experiment Videos

  • Discussion of early Universe particle production and detection strategies.
  • Main Results:

    • No dark matter candidates exist within the standard model.
    • Several compelling candidates arise from extensions to the standard model.
    • Key candidates include light axions, light neutrinos, and heavy neutralinos.

    Conclusions:

    • The dark matter problem is a critical issue in both cosmology and particle physics.
    • Detecting particle dark matter would signify the discovery of new physics.
    • Further research into axions, neutrinos, and neutralinos is crucial for understanding dark matter.