Blumlein, Johannes ; Ravindran, Vajravelu (2005) Mellin moments of the next-to-next-to-leading order coefficient functions for the Drell-Yan process and hadronic Higgs-boson production Nuclear Physics B, 716 (1-2). pp. 128-172. ISSN 0550-3213
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.nuclphysb.2005.03.003
Abstract
We calculate the Mellin moments of the next-to-next-to-leading order coefficient functions for the Drell-Yan and Higgs production cross sections. The results can be expressed in terms of multiple finite harmonic sums of maximal weight w=4. Using algebraic and structural relations between harmonic sums one finds that besides the single harmonic sums only five basic sums and their derivatives w.r.t. the summation index contribute. This representation reduces the large complexity being present in x-space calculations and is well suited for fast numerical implementations.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 84650 |
| Deposited On: | 27 Feb 2012 13:59 |
| Last Modified: | 27 Feb 2012 13:59 |
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