Ambiguities in the infrared regularization of QCD |
| |
| Authors: | B. Humpert W.L. van Neerven |
| |
| Affiliation: | CERN, Geneva, Switzerland |
| |
| Abstract: | The next-to-leading corrections of leading-log asymptotic freedom are determined in the known infrared (IR) regularization schemes. On- and off-shell calculation leads to different answers; the n-dimensional regularization of IR and mass singularities agrees with the on-shell results. The non-log corrections in Drell-Yan processes are important for Q2 ? 103 GeV2. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
