MSSM Effects in Top-antitop Production at the LHC

Details MSSM Effects in Top-antitop Production at the LHC MSSM Effects in Top-antitop Production at the LHC

2007-07-27

arxiv.org/abs/0707.4402v1

JHEP 0711:041,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1088/1126-6708/2007/11/041

We report on a calculation of the effects of supersymmetry on the cross-section for top-antitop production at LHC. A numerical study is carried out for the ten benchmarks of the Snowmass accord. It is found that the higher order effects involving supersymmetric particles in internal loops can be as high as 6%, both for the cross-section and the (parity even) helicity asymmetry, for one particular benchmark. For other benchmarks smaller but nonetheless observable corrections are found.

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