arXiv:0812.4336·v1·High Energy Physics — Phenomenology
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 Lü🇨🇳 · Wei-Min Sun🇨🇳 · Fan Wang🇨🇳 · T. Goldman🇺🇸
Abstract
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.
Comments: 2 pages, no figure