Calculating multileg one-loop processes. The case of gg -> t bar_t+gg

Details Calculating multileg one-loop processes. The case of gg -> t bar_t+gg Calculating multileg one-loop processes. The case of gg -> t bar_t+gg

2010-05-28

arxiv.org/abs/1005.5256v2

Nucl.Phys.Proc.Suppl.205-206:86-91,2010; PoS ACAT2010:076,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk given at 13th International Workshop on Advanced Computing and Analysis Techniques in Physics Research, ACAT2010, Februar

Scientific paper

10.1016/j.nuclphysbps.2010.08.02

This study is targeted to the NLO corrections of multileg processes, very important for the LHC. Starting from the construction of Feynman diagrams, the analytical reduction of general one-loop integrals to scalar master ones, the calculation of color structures, manipulation of spinor lines and other amplitude constituents and finally phase space point selection are obtained by use of a program producing Fortran code for numerical calculation of one-loop corrections for processes like gg -> t bar_t+gg.

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