  The present work provides one more evidence of that the solar neutrino
problem has an elegant solution based on the hypothesis about the existence of
a new, semi-weak, interaction. The analysis of the deuteron disintegration by
neutral currents of solar neutrinos, generated by both the electroweak and
semi-weak interactions, is fulfilled. A good agreement between the theoretical
and experimental results for this process is obtained, which is in harmony with
the conclusions of the first part of the work on the other four observed
processes with solar neutrinos.
