You know what, dude, go ahead. Go complain to management. Tell them "I not only touched my coworker on her back but set her up for a prank which inspired other pranksters to poke and prod her too. She had the utter gall to get angry at me, and after a perfectly nice apology hasn't immediately forgiven me. I want you to discipline her or at least give her a Good Talking To." Please do this. Then come back and tell us what happens. I'll be making popcorn while I wait.
Where's That Bad Advice when you need them?