Spin-orbit correlations in the nucleon
arXiv:1401.7784 · doi:10.1016/j.physletb.2014.06.068
Abstract
We investigate the correlations between the quark spin and orbital angular momentum inside the nucleon. Similarly to the Ji relation, we show that these correlations can be expressed in terms of specific moments of measurable parton distributions. This provides a whole new piece of information about the partonic structure of the nucleon.
6 pages, 1 table, revised version to appear in PLB
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