Abstract
Attention is drawn to a numerical coincidence which relates the cosmic radiant energy densityρ r , in the form of the cosmic microwave background, to microphysical constants (h, c, m e ,m p )and the Hubble time (τH)ρ r ∼(c 3 m p m 2 e /(h 2τH). A conjecture is made to explain the coincidence which involves the decay, on the gravitational time scale, of hypothetical particles in a steady-state cosmological model.
References
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Rowan-Robinson, M.: 1981,Cosmology, Second Edition, Clarendon Press, Oxford.
Woody, D. P. and Richards, P. L.: 1979,Phys. Rev. Letters 42, 925.
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Marchant, P.R. The cosmic microwave background may be produced by particle decay in steady-state cosmology. Astrophys Space Sci 96, 223–225 (1983). https://doi.org/10.1007/BF00661957
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DOI: https://doi.org/10.1007/BF00661957