Neutrinos and shock waves in supernovae

[GIASAL]

I cannot figure out when the neutrinos that energize the stalled shock wave in the outer part of the core are produced. Is it through electron capture, or during the stabilization of the protoneutron star?

 

[renormalize]

I cannot figure out when the neutrinos that energize the stalled shock wave in the outer part of the core are produced. Is it through electron capture, or during the stabilization of the protoneutron star?

See the section "Production" at this link: https://en.wikipedia.org/wiki/Supernova_neutrinos.