Virtual Method

NumCosmoHICosmoOmega_nu0

Declaration [src]

gdouble
Omega_nu0 (
  NcHICosmo* cosmo
)

Description [src]

Dimensionless relativistic neutrinos density today $\Omega_{\nu0} = \rho_{\nu0} / \rho_{\mathrm{crit}0}$, see nc_hicosmo_crit_density().

Return value

Type: gdouble

The baryon-photon momentum density ratio $x_b$.