NLO Cross Sections for the LHC using GOLEM: Status and Prospects

Details NLO Cross Sections for the LHC using GOLEM: Status and Prospects NLO Cross Sections for the LHC using GOLEM: Status and Prospects

2010-01-27

arxiv.org/abs/1001.4905v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 1 figure, contribution to the proceedings of the 9th International Symposium on Radiative Corrections (RADCOR 2009),

Scientific paper

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 $q\bar{q}\to b\bar{b}b\bar{b}$. 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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