Reply to the Comment on "Spin and orbital angular momentum in gauge   theories: Nucleon spin structure and multipole radiation revisited" [PRL   100:232002 (2008)]
  This is a Reply to the Comment [arXiv:0807.0699] on our paper [PRL 100:232002 (2008)]. 
Xiang-Song Chen, Xiao-Fu L\"u, Wei-Min Sun, Fan Wang, T. Goldman