Heavy-quarkonium creation and annihilation with O(alpha_s^3 ln(alpha_s)) accuracy
arXiv:hep-ph/0210161 · doi:10.1103/PhysRevLett.90.212001
Abstract
We calculate the O(alpha_s^3 ln(alpha_s)) contributions to the heavy-quarkonium production and annihilation rates. Our result sheds new light on the structure of the high-order perturbative corrections and opens a new perspective for a high-precision theoretical analysis. We also determine the three-loop anomalous dimensions of the nonrelativistic vector and pseudoscalar currents.
10 pages (Latex). Eq. (6) corrected, conclusions unchanged