  We show that the standing accretion shock instability (SASI) that has been
used to ease the shock revival in core collapse supernovae (CCSNe)
neutrino-driven explosion models, might play a much more decisive role in
supplying the stochastic angular momentum required to trigger an explosion with
jittering jets. We find that if the kinetic energy associated with the
transverse (non radial) motion of the SASI is larger than about ten percent of
the energy associated with the energy of the accreted gas, then the stochastic
angular momentum can reach about five percent of the Keplerian specific angular
momentum around the newly born neutron star. Such an accretion flow leaves an
open conical region along the poles with an average opening angle of about 5
degrees. The outflow from the open polar regions powers an explosion according
to the jittering-jets model.
