My take from being there and watching first hand was that HJ was able to take away Jasper's bread and butter which is pressure defense, and then that turned it into much more of a half court affair.
HJ has a number of outside shooters who were "on" this game and Jasper could not match the scoring pace. HJ then got nice inside scoring as well as the game went on, and then as they say, "it was a wrap"....
Jasper was working very hard defensively, and i think that my have affected their shooting percentage over the course of the game.
I would also say Jackson's finger prints were all over this game, whether it showed up in the stat book or not...