Primordial helium production in a charged universe

@article{Masso2002PrimordialHP,
  title={Primordial helium production in a charged universe},
  author={E. Mass'o and Francesc Rota},
  journal={Physics Letters B},
  year={2002},
  volume={545},
  pages={221-225}
}
  • E. Mass'o, Francesc Rota
  • Published 2002
  • Physics
  • Physics Letters B
  • Abstract We use the constraints arising from primordial nucleosynthesis to bound a putative electric charge density | e | n q of the universe. We find | n q / n γ |≲10 −43 , four orders of magnitude more stringent than previous limits. We also work out the bounds on n q in models with a photon mass, that allows to have a charge density without large-scale electric fields. 
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