Two-loop resummation for QCD hard scattering

Details Two-loop resummation for QCD hard scattering Two-loop resummation for QCD hard scattering

2010-05-20

arxiv.org/abs/1005.3849v1

PoS DIS2010:115,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 2 figures; to appear in proceedings of DIS 2010

Scientific paper

I present results for the resummation of soft and collinear gluon contributions to QCD hard-scattering cross sections at two loops. This requires the calculation of UV and IR divergences through two loops and the construction of soft anomalous dimensions that control resummation at NNLL. Explicit results are provided for processes that involve massless and/or massive quarks, including single top and top pair production.

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