Spin-orbit correlations in the nucleon
  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. 
C\'edric Lorc\'e (Orsay, IPN and Li\`ege, IFPA)
hep-ph hep-lat nucl-th