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arxiv: 0812.4336 · v1 · submitted 2008-12-23 · ✦ hep-ph

Reply to the Comment of X. Ji on "Spin and orbital angular momentum in gauge theories" [PRL 100:232002 (2008)]

Xiang-Song Chen , Xiao-Fu L\"u , Wei-Min Sun , Fan Wang , T. Goldman This is my paper
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We reply to the Comment of X. Ji [arXiv:0810.4913] on our paper [PRL 100:232002 (2008)], concerning angular momentum algebra, locality, Lorentz covariance, and measurability of our gauge-invariant description of the spin and orbital angular momentum of quarks and gluons.

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