The first major issue here are your temps. You need a temperature gradient that allows for a cool side of around 78-80 at the lowest, and a hot side of 88-92. Your temps are WAY too low right now, which could definitely have something to do with why she is refusing to eat. At that temperature, she would have a very difficult time digesting.
Check out this care sheet for proper temps and humidity info, along with many other helpful tips. It even gives several reasons a snake would refuse food.
http://ball-pythons.net/forums/showt...s%29-Caresheet