These can be very difficult situations, my daughter went through something very similar with a downstairs neighbor. You can only be evicted if you violate your lease. Review your lease to see what it says about noise. You can also check with your landlord to see if downstairs neighbor is complaining or if she just likes to bang on your ceiling. Try to use your best people skills with he neighbor. Talk to her about her complaints and try to work out solution.
The information that I am providing is general information based on my understanding of your question. You cannot and should not rely on this general advice in making legal decisions. There may be important information that you did not include in your question that could drastically change the advice an attorney that was fully informed would give you. I am not your attorney. My response does not create an attorney client relationship.