Cosraology and elementary particles
نویسنده
چکیده
Intr oduc tion A. A brief cosmological revI. ew B. Organization of the paper Particle Concentrations in the Hot Universe Bounds on the Number of Light Particle Species Light Particle Masses Quenching and Contemporary Concentrations of Heavy Stable Particles Heavy Lepton Masses Unstable Leptons. Limits on Their Mass and/or Lifetime A. The total energy density in the universe B. The spectrum of cosmic electromagnetic radiation. C. Primordial nucleosynthesis D. Stellar evolution
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