Institute for Theoretical Particle Physics (TTP)

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preprints:2008:ttp08-31 [2016/03/17 11:03] (current)
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 +====== TTP08-31 Automating dipole subtraction ====== 
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 +   <hidden TTP08-31  Automating dipole subtraction > 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 anti-t ggg. 
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 +|**K.Hasegawa, S.Moch, P.Uwer**  |  
 +|**  Nucl.Phys.Proc.Suppl.   183 268-273 2008  **  | 
 +| {{preprints:2008:ttp08-31.pdf|PDF}} {{preprints:2008:ttp08-31.ps|PostScript}} [[http://arxiv.org/abs/0807.3701|arXiv]]   | 
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