Journal
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
Volume 183, Issue -, Pages 268-273Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nuclphysbps.2008.09.115
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We report on automating the Catani-Seymour dipole subtraction which is a general procedure to treat infrared divergences in real emission processes at next-to-leading order in QCD. The automatization rests on three essential steps: the creation of the dipole terms, the calculation of the color linked squared Born matrix elements, and the evaluation of different helicity amplitudes. The routines have been tested for a number of complex processes, such as the real emission process gg -> t (t) over bar ggg.
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