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Color-dressed recursive relations for multi-parton amplitudes

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Duhr, Claude [UCL] Hoeche, Stefan [UCL] Maltoni, Fabio [UCL]

Remarkable progress inspired by twistors has lead to very simple analytic expressions and to new recursive relations for multi-parton color-ordered amplitudes. We show how such relations can be extended to include color and present the corresponding color-dressed formulation for the Berends-Giele, BCF and a new kind of CSW recursive relations. A detailed comparison of the numerical efficiency of the different approaches to the calculation of multi-parton cross sections is performed.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès libre
Publication date 2006
Language Anglais
Journal information "Journal of High Energy Physics" - Vol. 0608, p. 062 (2006)
Peer reviewed yes
e-issn 1029-8479
Publication status Publié
Affiliation UCL - SST/IRMP - Institut de recherche en mathématique et physique
Links
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Bibliographic reference Duhr, Claude ; Hoeche, Stefan ; Maltoni, Fabio. Color-dressed recursive relations for multi-parton amplitudes. In: Journal of High Energy Physics, Vol. 0608, p. 062 (2006)
Permanent URL http://hdl.handle.net/2078.1/184845