Aspects of Quark Orbital Angular Momentum

Abstract

The difference between the quark orbital angular momentum (OAM) defined in light-cone gauge (Jaffe-Manohar) compared to defined using a local manifestly gauge invariant operator (Ji) is interpreted in terms of the change in quark OAM as the quark leaves the target in a DIS experiment.

Comments: 4 pages, 1 figure. arXiv admin note: substantial text overlap with arXiv:1412.2850, arXiv:1510.03112