Big bang nucleosynthesis and physics beyond the standard model

  title={Big bang nucleosynthesis and physics beyond the standard model},
  author={S. Sarkar},
  journal={Reports on Progress in Physics},
  • S. Sarkar
  • Published 1996
  • Physics
  • Reports on Progress in Physics
  • The Hubble expansion of galaxies, the 2.73 K black-body radiation background and the cosmic abundances of the light elements argue for a hot, dense origin of the universe - the standard big bang cosmology - and enable its evolution to be traced back fairly reliably to the nucleosynthesis era when the temperature was of O(1) MeV corresponding to an expansion age of O(1) s. All particles, known and hypothetical, would have been created at higher temperatures in the early universe and analyses of… CONTINUE READING
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