Neutrino decoupling
= Neutrino decoupling
{wiki}
Neutrino decoupling occurs when weak interactions become slower than cosmic expansion. The neutrino distribution then free streams and cools as $T_\nu\propto a^{-1}$.
= Neutrino decoupling
{wiki}
Neutrino decoupling occurs when weak interactions become slower than cosmic expansion. The neutrino distribution then free streams and cools as $T_\nu\propto a^{-1}$.