%0 Journal Article
%T The intrinsic charm contribution to the proton spin
%A M. V. Polyakov
%A A. Schaefer
%A O. V. Teryaev
%J Physics
%D 1998
%I arXiv
%R 10.1103/PhysRevD.60.051502
%X The charm quark contribution to the first moment of $g_1(x,Q^2)$ is calculated using a heavy mass expansion of the divergence of the singlet axial current. It is shown to be small.
%U http://arxiv.org/abs/hep-ph/9812393v1