An updated precision estimate of the Hubble constant and the age and density of the Universe in the decaying neutrino theory

We here update the derivation of precise values for the Hubble constant H0, the age H0 and the density parameter Ωh2 of the Universe in the decaying neutrino theory for the ionization of the interstellar medium. Using recent measurements of the temperature of the cosmic microwave background, of the abundances of D, He4 and Li7, and of the intergalactic hydrogen-ionizing photon flux at zero redshift, we obtain for the density parameter of the Universe Ωh2 = 0.300 ± 0.003. Observed limits on H0, the age H0 and H0, the age t0 then imply that, for a zero cosmological constant, H0, the age H0 = 52.5 ± 2.5 km s−1 Mpc−1,t0 = 12.7 ± 0.7 Gyr and Ω = 1.1 ± 0.1. If Ω = 1 exactly, then H0 = 54.8 ± 0.3 kms−1Mpc−1 and t0 = 11.96 ± 0.06 Gyr. These precise predictions of the decaying neutrino theory are compatible with current observational estimates of these quantities.