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45

Sep 20, 2013
09/13

by
Aude Gehrmann-De Ridder; Thomas Gehrmann; Mathias Ritzmann

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The antenna subtraction method handles real radiation contributions in higher order corrections to jet observables. The method is based on antenna functions, which encapsulate all unresolved radiation between a pair of hard radiator partons. To apply this method to compute hadron collider observables, initial-initial antenna functions with both radiators in the initial state are required in unintegrated and integrated forms. In view of extending the antenna subtraction method to...

Source: http://arxiv.org/abs/1207.5779v1

72
72

Jul 20, 2013
07/13

by
Thomas Gehrmann; Pier Francesco Monni

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The antenna subtraction method handles real radiation contributions in higher order corrections to jet observables. The method is based on antenna functions, which encapsulate all unresolved radiation between a pair of hard radiator partons. To apply this method to compute hadron collider observables, initial-initial antenna functions with both radiators in the initial state are required. In view of extending the antenna subtraction method to next-to-next-to-leading order (NNLO) calculations at...

Source: http://arxiv.org/abs/1107.4037v1

68
68

Sep 21, 2013
09/13

by
Rikkert Frederix; Thomas Gehrmann; Nicolas Greiner

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We present the implementation of the dipole subtraction formalism for the real radiation contributions to any next-to-leading order QCD process in the MadGraph/MadEvent framework. Both massless and massive dipoles are considered. Starting from a specific (n+1)-particle process the package provides a Fortran code for all possible dipoles to all Born processes that constitute the subtraction term to the (n+1)-particle process. The output files are given in the usual "MadGraph...

Source: http://arxiv.org/abs/0808.2128v1