  We examine the potential impacts to slip-stacking from a change of the
Booster cycle-rate from 15- to 20-Hz. We find that changing the Booster
cycle-rate to 20-Hz would greatly increase the slip-stacking bucket area, while
potentially requiring greater usage of the Recycler momentum aperture and
additional power dissipation in the RF cavities. In particular, the losses from
RF interference can be reduced by a factor of 4-10 (depending on Booster beam
longitudinal parameters). We discuss the aspect ratio and beam emittance
requirements for efficient slip-stacking in both cycle-rate cases. Using a
different injection scheme can eliminate the need for greater momentum aperture
in the Recycler.
