NLO Cross Sections for the LHC using GOLEM: Status and Prospects
Binoth, Thomas · Cullen, Gavin · Greiner, Nicolas · Guffanti, Alberto · Guillet, Jean-Philippe · Heinrich, Gudrun · Karg, Stefan · Kauer, Nikolas · Reiter, Thomas · Reuter, Jurgen
Original · EN
In this talk we review the GOLEM approach to one-loop calculations and present an automated implementation of this technique. This method is based on Feynman diagrams and an advanced reduction of one-loop tensor integrals which avoids numerical instabilities. We have extended our one-loop integral library golem95 with an automated one-loop matrix element generator to compute the virtual corrections of the process qq→ bbbb. The implementation of the virtual matrix element has been interfaced with tree-level Monte Carlo programs to provide the full result for the above process.
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