The $\omega NN$ couplings derived from QCD sum rules
  The light cone QCD sum rules are derived for $\omega NN$ vector and tensor couplings simultaneously. The vacuum gluon field contribution is taken into account. Our results are $g_\omega =(18\pm 8), \kappa_\omega=(0.8\pm 0.4)$. 
Shi-Lin Zhu (Institute of Theoretical Physics, Academia Sinica)