We investigate a simplified version of the ACOT prescription for calculating deeply inelastic scattering from Q^2 values near the squared mass M_H^2 of a heavy quark to Q^2 much larger than M_H^2.
@article{arxiv.hep-ph/0003035,
title = {Treatment of Heavy Quarks in Deeply Inelastic Scattering},
author = {Michael Krämer and Fredrick I. Olness and Davison E. Soper},
journal= {arXiv preprint arXiv:hep-ph/0003035},
year = {2008}
}